Performance & Replacement Transmission & Drivetrain Parts

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic...

Building awesome horsepower is only part of the story. You need to deliver all that power to your car or truck’s wheels! We’ve got torque-hungry high performance automatic and manual transmissions for street and strip applications, torque converters and clutch sets, flexplates and flywheels, plus limited-slip differentials, spools, lockers, ring and pinion sets, driveshafts, U-joints, axles, bearings, C-clip eliminator kits, transfer cases, shift kits, and rebuild kits. We also have a wide selection of trans-brakes, shifters, cables, and accessories—everything you need to put the power to the ground, Summit style.

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McLeod RXT 1200 Clutch Kits

Intended for the high horsepower street/strip fan, McLeod RXT 1200 twin disc clutch kits are able to handle 1,200 crank horsepower. With a higher clamp load than standard RXT twin disc clutch kits, RXT 1200 clutch kits can handle almost any horsepower you can throw at them and still remain streetable. Ceramic-lined clutch discs provide smooth engagement with a stock-like pedal feel to make them ideal for the street performance enthusiast. A flat-style flywheel with a crank relief of 6.250 in. diameter or less is required for proper fitment.

5.0 out of 5 stars ( 12 )

$1,795.00

McLeod RXT Street Twin Clutch Kits

McLeod RXT Street Twin clutch kits are ideal for the extreme horsepower enthusiast who wants performance and economy. Capable of handling up to 1,000 hp, the RXT Street Twin clutches are for those who've kicked it up another notch—but still require streetability. The ceramic facing on the clutch discs provides slightly aggressive engagement with a soft pedal effort, making these clutches suitable for most street performance enthusiasts. Match your vehicle specs to the correct model from McLeod. Additional features include: * Alignment tool * Lighter-than-stock pedal feel * Available with dedicated flywheel or adapter ring for factory flywheel * CNC-machined and anodized flywheel adapter ring * Smooth engagement with excellent release qualities * Ceramic facings on disc increase holding power over similar organic linings * Low rotating mass for quick revs * Blanchard ground floater with multiple straps to reduce noise for streetability

4.68 out of 5 stars ( 47 )

$1,795.00

Lakewood Bellhousing Adapters

Lakewood bellhousing adapters feature a laser-cut steel flange that has been zinc plated for corrosion resistance. If you are attempting to install a conventional Chevrolet transmission on your 2013+ LT-1 or LT-4 Crate engine or swapping an LS into your First Gen Camaro, but want to retain your Muncie transmission, Lakewood bellhousing adapters will have your drivetrain bolted together in no time! The kits include longer dowel pins, Grade 8 hardware, and a converter pilot bushing for an easy installation. Additional bellhousing adapter features and specs: * Allows you to swap virtually any factory GM V8 Transmission to any GM V8 engine *Adapts GM LS and LT engine bellhousing bolt patterns to conventional SBC/BBC bellhousing bolt pattern * Fits most GM V8 engine blocks * Fits 4L60/80, TH400, TH350, 700R4, 200R4 and Power-glide automatic transmissions * Fits GM Muncie, Saginaw, T-10, and T-5 manual transmissions * Fits most GM aftermarket transmission cases, such as Tremec T-56 and TKO 500/600 transmissions

5.0 out of 5 stars ( 1 )

$349.95

PRW Billet Aluminum Flywheels

PRW billet aluminum flywheels are SFI-rated and engineered to handle extreme-duty applications, as well as take the punishment of today's high-horsepower engines. CAD engineered and precision CNC-machined to strict tolerances, PRW billet aluminum flywheels combine top-quality and reasonable pricing to deliver the best for you and your vehicle.

4.0 out of 5 stars ( 1 )

$420.83

RAM Billet Aluminum Flywheels

If you're building an all-out competition car, then you need a lightweight flywheel that will allow the engine to rev quicker and not eat up a lot of power. RAM billet aluminum flywheels greatly reduce rotating weight to permit quicker revving and higher power output, but still retain enough mass to resist heat distortion that could adversely affect clutch performance. RAM billet aluminum flywheels are made in America and produced in house. All RAM flywheels are computer-balanced within a 1/2 oz., surface ground (which results an optimum mating surface), and are ready to run out of the box. SFI-approved, these flywheels are CNC-machined from certified materials and have rugged steel friction-surface inserts. RAM's billet aluminum flywheels feature a 1/4 in. thick friction insert to dissipate heat away without distortion. Technical note: As it spins, a heavy flywheel stores more energy than a lighter one. Engine and gearing combinations that require more power or inertia to make the car launch without bogging the motor need heavier flywheels. However, heavier flywheels accelerate slower. Lighter flywheels create less inertia at launch, but accelerate quicker through the gears. To effectively use a lighter flywheel, you must consider the car's weight, operating rpm of the engine, and, most importantly, the gearing. Too little gear will cause the engine to 'bog' on launch.

4.77 out of 5 stars ( 31 )

$519.00

Centerforce Billet Steel Flywheels

Centerforce billet steel flywheels are available for popular import and domestic vehicles, including trucks. They're CAD/CAM-designed and CNC-machined from billet steel for precise, no-hassle, bolt-in installations. No modifications are required in combination with either Centerforce clutches or other clutch assemblies built to OEM specs. These rugged flywheels are SFI-approved, so you know that you can count on them--on the street and on the track.

4.52 out of 5 stars ( 61 )

$440.95

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$493.95

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