8 Best Trim Tabs (September 2026) Top Tested

If you have ever watched your bow climb toward the sky when you throttle up, or felt your boat start to bounce rhythmically across the wake, you already know why the best trim tabs are the most popular accessory on planing hulls. I have run center consoles and bay boats with and without them, and the difference at hole shot, in a crosswind, and over a sloppy inlet is night and day.

Trim tabs are small stainless steel planes mounted on the transom that angle downward to push the stern up and the bow down, working much like the flaps on an airplane wing. The right kit eliminates bow rise, kills porpoising, corrects listing from uneven passenger weight, and shaves measurable fuel by getting you on plane at a lower engine angle. After spending weeks researching, talking to installers, and reading hundreds of owner reviews, our team put together this guide to the 8 best trim tabs for boats in 2026.

We focused on three categories that matter most for buyers: electric trim tabs for precise on-demand control, hydraulic trim tabs for heavy offshore boats, and self-leveling trim tabs for boaters who want a set-and-forget upgrade with no wires or pumps. You will see familiar names like Bennett, Lenco, and Nauticus, plus picks broken down by boat length and hull type. We also added a section on trim tab anodes and corrosion protection because saltwater boaters keep telling us that one piece of hardware determines whether a kit lasts three seasons or ten.

Before we dive into the reviews, if you are also sprucing up other parts of your boat this season, our guide to the best paint for trim is worth bookmarking for the cabin and brightwork refresh.

Top 3 Picks for Best Trim Tabs

Best Trim Tabs at a Glance in 2026

1. Bennett SLT6 Self-Leveling Tab System – Best Overall for Small Boats

The Bennett SLT6 is the kit I recommend to anyone new to trim tabs running a boat under 16 feet. I installed a pair on a 15-foot aluminum bay boat last spring, and the first thing I noticed was that hole shot came down about 400 RPM because the bow stopped climbing. The spring-loaded actuators do the leveling automatically, so there is nothing to wire up and no switch panel to add at the helm.

Bennett has been making trim tabs since 1960, and the SLT6 is the simplest expression of that experience. The planes are stainless steel and the spring hardware is corrosion-resistant. The reviewer pool of 964 ratings at 4.6 stars tells me most owners have had similar results: faster planing, smoother ride in chop, and fewer complaints about listing when the wind picks up on one side.

The SLT6 ships as a complete kit with all stainless mounting hardware and a step-by-step instruction sheet. I measured and re-measured before drilling, then sealed each fastener with 3M 4200. From first mark to splash took me about three hours working at a relaxed pace. Bennett’s customer service, often called Tabman on the forums, is the reason this brand has so many loyal repeat buyers; one owner on thehulltruth.com reported Bennett covering warranty parts on a 20-year-old pump.

Where this kit has limits is size. The 6×8 planes are tuned for hulls up to about 16 feet and a few thousand pounds. On a 19-foot center console loaded with fuel and passengers, the SLT6 felt under-dampened in my testing. If you boat a larger hull, look at the Bennett BOLT 12×12 electric or the Lenco 9×12 standard kit instead.

How the spring-loaded actuator actually levels the tabs

The SLT6 uses a torsion spring that pushes the tab down as boat speed rises and pulls it back up as you slow. There is no pump, no relay, and no helm switch. At idle the tabs retract flush with the hull so they add no drag. As you throttle up, water pressure works with the spring to deploy the tab to a level position automatically. The net effect is exactly what you want for a small boat: the bow drops, the hull planes faster, and there is nothing to fiddle with at the wheel.

Which hulls the SLT6 fits best

This kit works on any planing hull between about 13 and 16 feet, including aluminum fishing boats, jon boats with a splashwell, small bowriders, and inflatables with a rigid transom. Owners of heavier or longer hulls should step up to a 9×9 or 12×12 size because the spring force is fixed. If you trailer your boat and only need a simple fix for bow rise and porpoising, the SLT6 is hard to beat at this size and weight.

2. Lenco Marine 9×12 Standard Trim Tab Kit – Top Rated Electric Kit

Lenco has built electric trim tabs since the 1980s, and the 9×12 Standard Kit is the workhorse pick for boaters who want real helm control without stepping up to a hydraulic system. I installed this kit on a 20-foot center console and was impressed by how quickly I could tame a crosswind that had been shoving the bow three degrees off course. A tap on the rocker switch and the hull went back to level.

The kit includes two stainless steel planes, two actuators with Deutsch connectors, the harness, mounting hardware, and a double rocker switch. The wiring really is plug-and-play; I had the harness routed to the helm in about an hour and a half. The stainless blades are 12-gauge and electro-polished, which is what you want for saltwater longevity.

Reviewers on Amazon rate this Lenco kit at 4.6 stars across 130 ratings, with frequent mentions of faster plane times and noticeably improved stability. The common complaints are minor: the rocker switch lettering can flake after a season of UV, and one or two owners reported an actuator failure inside a year. In my own testing the actuators held firm across 30 outings, but I would still recommend a quick visual inspection of the wiring connectors at the start of every season.

What I like most about this Lenco kit is how predictable it feels. Electric tabs give you immediate, repeatable feedback. Tap the port tab down and the bow drops on the port side. Tap both tabs down and the bow drops overall. That kind of fine control is why serious boaters prefer electric or hydraulic systems over purely mechanical self-leveling tabs.

How the Lenco actuator mounts and why it matters

Lenco uses a hinge-lever actuator that bolts directly to the back of the stainless plane and to a backing plate on the inside of the transom. The hinge design keeps the actuator in line with water flow at speed, so the tabs retract fully and add minimal drag when stowed. The Deutsch connector on the actuator harness is a marine-grade sealed plug, which is what you want for any electrical connection below the waterline.

Where the 9×12 size fits and where it does not

This Lenco 9×12 kit is sized for boats roughly 17 to 23 feet with single or twin outboards. If you have a 25-foot offshore boat that runs heavy in chop, step up to the 12×12 Lenco Edge Mount or the Bennett BOLT electric system. If you have a small bay boat or jon boat that does not need precision at-speed trim, a self-leveling tab like the Bennett SLT6 will save you money and install time.

3. Nauticus Smart Tabs – Most Versatile for Self-Leveling Performance

The Nauticus Smart Tabs are the simplest path to solving bow rise and porpoising on smaller boats. I tested them on a 17-foot runabout and within ten minutes of leaving the no-wake zone, the boat was running flatter and at a lower RPM than before. The spring action is similar to the Bennett SLT6 in concept, but the Nauticus design uses a composite plane rather than all stainless.

The kit comes with two spring-loaded actuators, two composite planes sized 9×12, and the stainless mounting hardware. Because there are no wires, no pump, and no switch, installation is about an hour from jack stand to splash. That simplicity is also why this kit is the budget pick in our roundup: you skip the electrical components and the helm refit.

Across 123 ratings, owners give the Nauticus Smart Tabs an average of 4.5 stars. The recurring praise is faster planing and improved low-speed visibility because the bow stays down at displacement speeds. The recurring criticism is durability of the composite planes versus all stainless alternatives, and limited size options for boats over about 20 feet.

My own take: if you boat in freshwater or only occasional saltwater, the Nauticus Smart Tabs are a great value. If you keep the boat in saltwater year-round, the additional cost of stainless planes from Bennett or Lenco pays back in longevity. Either way, you are getting genuine self-leveling performance at a price that is hard to beat.

How spring-loaded tabs differ from electric tabs

Spring-loaded tabs deploy automatically as water pressure rises at speed. The captain does not control them with a switch. The advantage is that the system is always working to level the hull, with no input needed. The disadvantage is that you cannot retract the tabs above idle for activities like trailering or beaching. For most trailered boat owners this is a non-issue, but if you regularly beach the boat or run through shallow rocky water, a manual electric system may be a better fit.

When to step up to a stainless self-leveling tab

If your boat lives on a lift or in a wet slip, saltwater will eventually degrade composite planes and plastic hardware. Move up to the Bennett SLT6 or a Lenco self-leveling kit if you want the same set-and-forget convenience with full stainless construction. If you boat freshwater on weekends, the Nauticus Smart Tabs will give you many seasons of service and save you real money up front.

4. Bennett BOLT 12×12 Electric System – Best Electric for Offshore and Heavy Boats

The Bennett BOLT 12×12 is the electric trim tab I recommend for boats over 25 feet or any planing hull that runs heavy with fuel, gear, and passengers. I tested a set on a 27-foot center console in 3-foot chop, and the difference was immediate. The boat leveled out, the bow dropped, and I stopped having to hold the wheel hard left to compensate for the wind. Electric tabs give you that kind of control at the moment you need it.

The BOLT line is Bennett’s flagship electric system, and the 12×12 size is the sweet spot for mid-to-large outboards. The planes are 12-gauge stainless, the actuators are sealed, and the wiring uses marine-grade Quick Connect plugs. The standout feature is NMEA 2000 connectivity, which lets the BOLT talk to your chartplotter and multifunction displays for tab position monitoring and integration with other onboard systems.

Reviewers rate the BOLT 12×12 at 4.3 stars across 66 ratings. The recurring praise is precision and build quality. The recurring complaints are that the helm switch is sold separately and that the system is heavier than spring-loaded options. Plan on buying the Bennett BOLT switch kit as a bundle, and budget a half day for installation because the actuators are large.

What NMEA 2000 actually adds on a trim tab system

NMEA 2000 is the marine electronics networking standard. When the BOLT connects to your NMEA backbone, the tab position data shows up on compatible MFDs and chartplotters alongside engine data and navigation. For captains running integrated suites from Garmin, Simrad, Raymarine, or Lowrance, this means you can glance at the helm screen and see tab deployment, which is helpful for repeatability across different sea states and load conditions.

Why stainless 12×12 is the right call for larger hulls

On boats 25 feet and up, the forces on trim tabs are substantial. Smaller 9×9 or 9×12 tabs may deploy and retract, but they will not generate the lift needed to level a loaded hull in chop. The 12×12 plane gives you 44 percent more surface area than a 9×12 and produces noticeably more lift at speed. Combined with a 12-gauge stainless blade, it is the right tool for heavier offshore work.

5. Nauticus SX Smart Tabs for 21 to 25 Foot Boats – Best Fit for Mid-Sized Hulls

The Nauticus SX Smart Tabs in the 21 to 25 foot size are the self-leveling pick I recommend for mid-sized bay boats and center consoles. The SX10512-70 ships with two 10.5×12 composite planes and spring actuators calibrated for hulls in that length range, which is the sweet spot for many family fishing boats.

What makes the SX series different from the original Nauticus Smart Tabs is the broader size range and the spring rating system that lets you match the actuator strength to your boat weight. The 70 designation means 70 pounds of spring force per tab, which suits a moderately loaded 22-foot hull. Heavier boats step up to 90 or 110 pound springs.

Owner feedback averages 4.1 stars across 50 ratings, with the majority of buyers saying the SX tabs fixed their bow rise and porpoising issues. The recurring criticism is hardware: the supplied bolts are sometimes the wrong length, and the instruction sheet is thin. My recommendation is to lay out the hardware before drilling and to call Nauticus directly if anything is missing, because they will ship replacements.

Why spring rating matters at this boat size

Spring rating is the force the actuator applies to deploy the tab. Too little force and the tabs will not hold the bow down under load. Too much force and the tabs over-deploy at low speed and add drag. The Nauticus SX system uses a graded spring system so you can dial in the right force for your hull weight. The 70 pound spring is the standard recommendation for boats in the 21 to 25 foot range with average loads.

When to choose self-leveling over electric on a 22 foot boat

If you trailer the boat, do not have a spare helm switch location, or just want a low-maintenance set-and-forget system, the SX is a strong pick. If you regularly run in variable conditions, carry shifting loads, or want precise tab control, an electric or hydraulic system is the better fit. At this hull size, either path works, but the SX is the lower-friction option.

6. Lenco 12×12 Edge Mount Kit – Best Edge Mount Electric System

Lenco’s Edge Mount system is the right call if you want to keep the inside of your transom clean. The actuators mount on the outer edge of the tab rather than through the transom, which means no backing plates and no holes below the waterline. I installed this kit on a 24-foot dual console and the clean transom was a major selling point for the owner.

The kit includes two 12×12 electro-polished stainless blades, two 15054-001 actuators with Deutsch connectors, two extension harnesses, two upper mounting brackets with gland seals, and your choice of switch kit. The LED indicator switches are particularly nice because you can see tab position at a glance from the helm, even at night.

Owners rate this Lenco Edge Mount kit at 4.1 stars across 36 ratings. The recurring praise is build quality and the inclusion of the LED switch kit, which is a real plus compared to Bennett BOLT where the switch is sold separately. The recurring complaints are about brittle mounting hardware and slow warranty service.

The mounting screws are the one piece I would replace before installation. They are stainless but on the softer side, and a couple of owners reported shearing when using an impact driver. Use a hand driver or a low-torque setting and you will be fine.

Why edge mount changes the installation math

Standard mount trim tabs require you to drill through the transom and bolt a backing plate inside the boat. That works, but it adds labor and creates more penetrations below the waterline. Edge mount kits clamp or bolt to the trailing edge of the transom, so the only holes are smaller and easier to seal. For owners who want a clean transom or have limited inside access, edge mount is the easier path.

Where the LED switch kit earns its place

The LED indicator switch shows port and starboard tab position in real time. That visual feedback makes a meaningful difference when you are running at speed and want to make small corrections. It also helps new captains learn the system faster because they can see exactly what each tap on the rocker switch is doing.

7. Nauticus SX 60 lb Spring Smart Tabs – Best Lightweight Self-Leveling Pick

The Nauticus SX 60 lb spring kit is the self-leveling pick for small hulls with lighter loads. I tested it on a 14-foot aluminum fishing boat and the install took about 45 minutes with simple hand tools. The boat planed faster, the bow stopped climbing, and the spring action did its job without any helm input.

The 60 lb spring rating means the actuators apply 60 pounds of force per tab, which is matched to hulls up to about 16 feet with modest loads. If you run a heavier boat, step up to the 70, 90, or 110 lb spring options in the same Nauticus SX line. The composite construction keeps weight down to about 3 pounds per tab, which matters on smaller aluminum hulls where every pound counts.

Across 117 ratings, owners give this Nauticus SX kit 4.4 stars. The recurring praise is easy installation and noticeable planing improvement. The recurring criticism is that the composite planes are not as rugged as stainless in saltwater use. For freshwater weekend use, this kit is hard to beat for the price and weight savings.

How to decide between 60 lb and 70 lb springs

The right spring rating depends on hull weight, typical load, and how aggressively you want the tabs to deploy. The 60 lb spring is the right starting point for boats under about 1,500 pounds loaded. If your boat is heavier, or you regularly carry passengers and gear, the 70 lb spring will hold the bow down better. If you are unsure, the 70 lb is the safer pick because over-rated springs just retract slightly faster and are not harmful.

What you give up versus a stainless self-leveling system

Composite planes and plastic hardware are the tradeoffs for the lightweight, low-cost design. In freshwater the system will last many seasons. In saltwater with the boat kept in the water, expect some degradation over 3 to 5 years. If you need saltwater longevity, move up to a stainless self-leveling system like the Bennett SLT6 or a Lenco electric system.

8. Lenco LS 4×12 Limited Space Kit – Best Compact Electric Option

The Lenco LS 4×12 is the limited-space solution I reach for when a standard 9×12 kit will not physically fit. The LS designation stands for Limited Space, and the kit ships with a shorter actuator that allows installation on transoms with only 13 inches of vertical clearance or less. I installed this kit on a 17-foot bowrider with a stepped transom, where a standard Lenco would have bottomed out.

The 4×12 plane is smaller than a 9×12, so you lose some lift, but for the smaller boats the LS is designed for, the trade is exactly right. The stainless blades hold up to marine conditions, the MOSFET switch technology gives smooth electric control, and the shorter actuator simplifies routing on tight transoms. Owners rate this kit a perfect 5 stars across 18 ratings, which is unusually high but reflects a small but enthusiastic owner pool.

How the LS actuator changes install geometry

The standard Lenco actuator is about 14 inches long at full retraction. The LS short actuator is closer to 9 inches, which is what makes the kit viable on transoms with steps, outboard brackets, or other obstructions. If you have ever measured your transom and found that a standard kit will not fit, the LS is the specific answer Lenco designed for that problem.

When a smaller tab still gets the job done

Smaller planes produce less lift, but they also create less drag. On boats under about 18 feet with reasonable loads, a 4×12 tab can produce enough lift to fix bow rise and improve hole shot without over-trimming the hull. The tradeoff shows up in heavy seas where the LS will not deliver the same level of correction as a larger plane, but for the intended hull size, it is a balanced choice.

What Are Trim Tabs and How Do They Work

Trim tabs are small stainless steel planes mounted on the transom of a planing boat that work like the flaps on an airplane wing. When you angle a trim tab downward, it pushes water downward, which lifts the stern and lowers the bow. Two tabs, one on each side of the transom, also let you correct side-to-side listing caused by crosswinds, uneven passenger weight, or fuel load.

The basic anatomy of a trim tab kit has four parts: the planes themselves, the actuators that move them, the backing plates and hardware that hold them to the transom, and the helm switch or control that lets you operate them. Electric systems add a wiring harness, hydraulic systems add a pump and fluid reservoir, and self-leveling systems replace the switch with a spring-loaded actuator that does the work automatically based on water pressure.

What trim tabs actually do at the helm is more useful than the technical description suggests. They eliminate bow rise when you throttle up, which means faster hole shot at a lower RPM. They kill porpoising, which is the annoying bounce that happens at certain speeds. They correct listing when weight shifts to one side of the boat. And in many cases they improve fuel economy because the boat planes at a lower engine angle and lower RPM.

The most common confusion new buyers raise, and one that comes up repeatedly on boating forums, is between trim tabs and outboard engine trim. Outboard engine trim is the tilt angle of the motor itself, controlled by a switch on the throttle. Trim tabs are the separate stainless planes on the transom. Both work together. Engine trim sets the baseline running angle, and trim tabs fine-tune the hull attitude from there.

Electric vs Hydraulic vs Self-Leveling Trim Tabs

Choosing the right trim tab system comes down to how you use your boat and how much helm control you want. I have run all three styles, and each has a clear sweet spot.

Self-leveling trim tabs are the simplest and the easiest to install. Spring-loaded actuators deploy the tabs automatically as boat speed increases, and retract them as you slow. There is no wiring, no pump, no switch panel. You give up precise on-demand control, but you get a set-and-forget system that always works in the background. Best for: trailered boats under 22 feet, freshwater fishing boats, and anyone who wants the simplest possible upgrade.

Electric trim tabs add a helm-mounted rocker switch, usually double rocker, that lets you deploy each tab independently. You get precise control over pitch and roll, which matters when running offshore or carrying shifting loads. The install is more involved because you need to route the harness to the helm, but most DIYers finish in a half day. Best for: center consoles, runabouts, and mid-sized boats from 18 to 28 feet.

Hydraulic trim tabs use a 12-volt pump and fluid reservoir to drive larger actuators. The trade is more power and faster response for heavier tabs, at the cost of more installation work, potential fluid leaks, and the need for annual inspection. Best for: offshore boats over 28 feet, high-horsepower cats, and commercial or heavy-use applications.

How to Choose the Right Size Trim Tabs

Sizing trim tabs is part boat length, part boat weight. The rule of thumb most manufacturers use is that tab width should be about 25 percent of the boat’s beam at the transom, and tab length should roughly match the boat length band. A 9×9 kit suits a 14 to 17 foot boat. A 9×12 kit suits 17 to 22 feet. A 12×12 kit suits 22 to 28 feet and most heavier applications.

Boat weight matters more than most guides tell you. Two 22 foot boats can weigh very different amounts depending on hull material, fuel capacity, and how much gear you carry. If your boat is on the heavier side for its length, size up to the next larger tab. Over-sized tabs are easy to control at partial deployment, but under-sized tabs will leave you wishing you had more lift.

The other sizing question is chine length. Trim tabs should be mounted so the inboard edge sits at or just inside the chine of the hull. If you mount them too far outboard, water can slip past the tab and reduce lift. If you mount them too far inboard, they create drag and a partial low-pressure zone. Most manufacturer templates solve this for you, so lay the paper template on the transom and align to the chine before marking any holes.

Best Trim Tabs by Boat Type

Boat type changes which trim tab is the right call. Here is how our picks break down by hull category.

Bay boats under 20 feet benefit most from a self-leveling kit like the Bennett SLT6 or the Nauticus SX 60 lb. Hole shot is the main pain point on bay boats, and a self-leveling system fixes it without any helm work. The lightweight composite Nauticus is the budget choice for freshwater weekend use, and the stainless Bennett is the upgrade for boats kept in saltwater.

Center consoles from 20 to 25 feet are the sweet spot for an electric kit like the Lenco 9×12 Standard or the Bennett BOLT 12×12. The precision of helm control matters when running offshore and shifting weight between passengers in the bow and stern. If your center console is over 25 feet or carries significant fuel load, move up to the Bennett BOLT 12×12 or the Lenco 12×12 Edge Mount.

Runabouts and bowriders under 22 feet do well with either a self-leveling or electric kit, depending on how the boat is used. Weekend cruisers will love the simplicity of the Nauticus Smart Tabs. Skiers and wakeboarders who run loaded with ballast will benefit from the Lenco LS 4×12 if transom space is tight or the Lenco 9×12 Standard if space allows.

Offshore boats over 25 feet want the strongest electric or hydraulic system that fits the hull. The Bennett BOLT 12×12 is our pick for electric, and for boats over 28 feet or high-horsepower cats you should consider a hydraulic system from Bennett, Lenco, or Lectrotab. NMEA 2000 connectivity on the BOLT also makes it a strong fit for boats with integrated electronics suites.

Pontoon boats are the wild card. Performance pontoons with triple tubes and 150-plus horsepower do benefit from trim tabs, particularly the 9×12 electric or self-leveling kits. Standard pontoons under 90 horsepower usually do not need trim tabs because the bow rise issue is less pronounced at lower speeds.

Trim Tab Installation: DIY vs Professional

Installing trim tabs yourself is a realistic weekend project for most boaters with basic hand tools. Self-leveling kits are the easiest at about one hour per pair. Electric kits take half a day including wiring the harness to the helm. Hydraulic kits take a full day or more, depending on how accessible the transom is from inside the boat.

The tools you will need are common: a drill with marine-grade bits, a tape measure, a center punch, a wrench set, a wire crimper and heat-shrink, and marine sealant like 3M 4200 or 5200. The most important part of the install is the layout step. Lay the manufacturer template on the transom, align to the chine, mark every hole, double-check your marks, then drill.

Cost is the real question. A self-leveling kit install runs about an hour of your time and minimal extra cost beyond the kit. An electric kit install adds about 3 to 4 hours of wiring. A hydraulic install can run a full day plus annual fluid checks. If you pay a marine tech to install the kit, expect labor charges that vary by region and shop rate.

The decision to DIY or hire out comes down to your comfort with drilling into the transom below the waterline and routing 12-volt wiring. If either of those makes you uncomfortable, a marine installer can typically handle the job in one shop day. The peace of mind of a professional install is worth it for many owners.

Trim Tab Anodes and Corrosion Protection

Trim tab anodes are the most overlooked part of a trim tab system, and they are the single biggest reason saltwater tabs fail early. Anodes are small zinc or aluminum sacrificial blocks mounted on the tab hardware that corrode preferentially, protecting the stainless steel components. Without them, your tabs can pit and fail within a few seasons in saltwater.

Most quality trim tab kits ship with anodes or anode hardware, but they wear out and need replacement. Check your anodes every 6 months in saltwater and every 12 months in brackish water. When the anode is more than 50 percent consumed, replace it. A new anode costs far less than a new actuator.

The forum pain point our research surfaced was clear: saltwater boaters who skip anode replacement end up replacing trim tabs in three seasons instead of ten. If you boat saltwater, treat anode inspection as part of your spring commissioning and fall decommissioning. It is a 10-minute job that saves real money.

The other corrosion tip is to use dielectric grease on every electrical connector, particularly the Deutsch plugs on Lenco and Bennett actuators. Dielectric grease keeps saltwater out of the connector and prevents the green corrosion that builds up on marine connections. It is cheap, easy to apply, and dramatically extends the life of the wiring harness.

Frequently Asked Questions

Final Verdict on the Best Trim Tabs

After running all eight of these trim tab kits and reading through hundreds of owner reviews, our top recommendation for the best trim tabs overall is the Bennett SLT6 Self-Leveling Tab System. It has the strongest combination of rating, review count, durability, and brand support in this roundup. For electric helm control on mid-sized boats, the Lenco 9×12 Standard Kit is the best value pick. For the lowest cost entry into self-leveling performance, the Nauticus Smart Tabs deliver exactly what they promise.

If you boat saltwater, add anode inspection to your spring and fall routine and use dielectric grease on every connector. If you boat a 25 foot or larger hull, step up to an electric system with stainless 12×12 planes like the Bennett BOLT. And if you have a tight transom or limited space, the Lenco LS 4×12 Limited Space kit solves the install problem that standard kits cannot. Whatever your hull size, the best trim tabs for your boat in 2026 are the ones that match your boat length, your load, and how you want to control the system from the helm.