Transmission & Drivetrain
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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.
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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Maximize your transmission's power potential! TCI sprag and drum assemblies are designed to reduce rotating mass without compromising drum integrity. They will hold up to five clutches and are hard coated for improved wear characteristics.
( 6 )
$548.95
On Sale
Shiftworks automatic transmission shifter cables are the next best thing after the originals. They are flexible, adjustable, and feature stainless with a non-booted modern dry sweep design. They also offer well over 2 in. of travel for proper shifting into all gears and are available in a choice of lengths. Costing less than the originals, but just as good, Shiftworks automatic transmission shifter cables get you in gear for performance at the right price.
( 54 )
$111.99
$100.79
Lokar's Hi-Tech flexible braided stainless transmission dipsticks match right up with other Lokar accessories. They feature a flexible, heat-resistant PTFE rod with a braided stainless steel cover. The inner rod is stamped with appropriate trans-fluid levels, and the outer housing has a slim design that allows for mounting inside of the headers. These dipsticks are available in both firewall-mount and trans-mount styles, and a funnel adapter is included for assistance with filling. Order the length and other options preferred for your vehicle make and transmission application.
( 338 )
$138.95
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$224.95
Properly engineered racing clutches need high performance replacement components. These JR Race Car Shockwave C-4 O/D flyweight kits replace your existing parts. They come available in various grams to fine-tune your high performance clutch. Whether you need to raise or drop weight to get your rpm to match, JR Race Car Shockwave flyweight kits have the parts for you.
( 1 )
$69.45
McLeod hydraulic clutch bleeder assemblies can be retrofitted to current Mustangs. These assemblies were supplied on the 2005 models only—but now you can have the ability to bleed your clutch hydraulics on 2006 and up models. Change your closed system to one that can be bled with McLeod hydraulic clutch bleeder assemblies.
( 1 )
$89.00
Replace your high performance racing clutch with these properly engineered components. JR Race Car Shockwave C-14 O/D flyweight kits replace your existing flyweight. They come available in various grams to fine-tune your high performance clutch. Whether you need to raise or drop weight to get your rpm to match, JR Race Car Shockwave flyweight kits have the parts for you.
Not Yet Reviewed
$69.45
SCS Gearbox 10-Spline Professional Series quick-change gears have been the proven leader in ultra-high performance quick-change gearing since 1987. They're made of 9310 aircraft alloy for maximum strength and are crown-shaved (ground before heat-treating) to minimize backlash and run out, broached for proper shaft fit, and black oxide finished. Gear sets #1 thru #30K are max lightened with the exception of #15K. The gears are lightened where possible, without sacrificing the strength for an average weight savings of 1 1/2 lbs.! The SCS Gearbox 10 spline Professional Series quick-change gears' extra five-step heat-treating process yields maximum gear life for high-stress applications such as Big Block Oswego Super Modifieds, World of Outlaw Sprint Cars, and IROC Series Cars.
( 1 )
$178.99
McLeod hydraulic clutch lines are OE-style replacements for your stock lines. These hydraulic lines are available for many applications to suit your needs.
( 55 )
$69.50
Lokar Anchor-Tight locking transmission dipsticks match right up with other Lokar accessories. These replacements feature a locking mechanism that eliminates the expulsion of the dipstick handle under transmission pressure. They're constructed from 6061 aluminum with a flexible inner dipstick measuring cable. Order the model recommended for your vehicle and transmission application.
( 81 )
$163.95
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$241.95
Trail-Gear tubing reinforcements are laser-cut and formed in-house at its headquarters in Fresno, CA. Made from 3/16 in. thick HRP&O steel with an overall length of 36 in. and a 60-degree bend, they can easily be welded onto any size tube or flat surface to add extra strength and protection to your rig. This is a simple, inexpensive and effective way to prevent damage to the more crucial and costly parts of your rig. Sold individually and shipped raw.
Not Yet Reviewed
$14.99
Clearance
VEGE has honed its remanufactured torque converter operation to optimize a steady outflow of a variety of products by using and adopting standard operating procedures to supply automotive, high-performance, heavy-duty, and industrial converters. VEGE torque converters incorporate the necessary upgrades to reduce failures. Areas that are known to fail such as pump and turbine blades are reset and re-enforced. The stators are completely disassembled and reloaded with new rollers and springs. Turbine hubs that have a high failure rate are replaced with billet steel hubs. Needle bearings are replaced with new ones and in most cases upgraded to heavy duty standards. VEGE torque converters are super balanced twice! Using state of the art Hines balancers all VEGE torque converters are checked for balance during the set up and tack and after final weld. This makes for a better dynamic running torque converter.
( 52 )
$98.99
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$292.99
Motive Gear manual transmission replacement gears help make your shifts smooth. Worn gears can cause problems, so when you need replacements Motive Gear offers the gears to fix the grind and whine of your manual transmission.
( 14 )
$92.99
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$127.99
Summit Bucks
ACDelco GM Genuine Parts CV axle shafts transfer torque from your vehicle's transmission or differential to its wheels, and are GM-recommended replacements for your vehicle's original components. These shafts have constant velocity (CV) universal joints at each end to allow your wheels and suspension to articulate. The axle shafts have been manufactured to fit your GM vehicle, providing the same performance, durability, and service life you expect from General Motors. Order the model recommended for your specific application.
( 12 )
$154.50
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$690.99
On Sale
Most racing is done using a modified version of a factory automatic transmission. Today's high-tech, high-horsepower engines transfer incredible amounts of torque through these transmissions to the driveline. Summit Racing™ automatic transmission drums improve performance, reliability, and holding power. Whether by using beefier designs than factory parts, by adding larger/extra clutches, or using lighter, stronger materials, you'll get down the track and keep going rounds when you include Summit Racing™ transmission drums in your build.
Not Yet Reviewed
$1,024.99
$975.99
Bearings from a name you can trust! When changing your ring and pinion set, don't forget these Ratech carrier bearings. Made of top-notch materials, these bearings are made with all of the quality that Ratech is known for.
( 42 )
$43.99
Clearance
ATP offers detent cables for a wide range of vehicle and transmission applications. These replacement kickdown cables connect the throttle mechanism to your transmission, just like the originals. Factory cables can bind, break, or become sluggish over time. ATP detent cables are an affordable remedy designed for a perfect fit and optimum performance.
( 101 )
$19.99
Tilton OT-Series Cerametallic clutch disc packs provide excellent wear resistance and withstand elevated temperatures. These .283 in. thick friction discs are a 4-paddle design utilizing a unique blend of ceramic and metallic materials. And, because the Cerametallic discs are thicker than sintered metallic discs, they provide higher heat capacity through their increased mass. Keep the engagement of your OT-Series clutch smooth with Tilton OT-Series Cerametallic clutch disc packs.
( 4 )
$123.25
Spicer Drivetrain Products front axle shafts feature an increased U-joint size that provides 25 percent higher yield strength than original U-joints. They offer unparalleled strength and longer life—the outer stub is re-engineered for added strength; improved snap ring retention reduces shock load failures; and material has been removed from the body and added to the yoke ears (to equalize deflection through the yoke and reduce bearing cap spinning). The axles are made from durable steel, with a micro-alloy improving their strength and a statistically controlled heat treatment ensuring proper hardness. Order the replacement model designed for your vehicle application.
( 129 )
$377.99
Clearance
ATP automatic transmission control solenoids are designed to replace faulty factory units and keep your transmission shifting smoothly. They're available in a variety of configurations for dozens of transmission types—on thousands of vehicle applications. These replacement solenoids meet or exceed OEM specifications.
( 1 )
$178.99
PRW offers Pro Series flywheels for a variety of applications, including many Chevy, Ford, American Motors, Jeep, Pontiac, Chrysler, Dodge, Plymouth, and Oldsmobile vehicles from 1955 and up. These SFI-rated replacements raise the bar in the high performance industry. The combination of top quality and reasonable pricing sets new standards. They're engineered to handle extreme-duty applications and designed to take the punishment of today's high-horsepower engines. PRW 1045 billet steel flywheels are CAD-engineered and precision CNC-machined to strict tolerances. The choice of 5 out of 6 winning engine builders at the Engine Master Challenge four years running, PRW flywheels were awarded Best New Product of the Year at the 2006 Hotrod and Restoration Show. Every flywheel is engineered for excellence and rigorously inspected throughout the manufacturing cycle to ensure that customers receive the quality they've come to expect from PRW products. Order the model recommended for your vehicle.
Not Yet Reviewed
$323.10
Hays hydraulic release bearing feed line kits are an upgrade from your factory clutch feed line. They feature tough stainless steel braided lines with limited flex and high-quality fittings. Each fitting contains a rubber O-ring for an accurate leak-free seal. These are great for replacing stretched, cracked, or broken stock lines. Order the kit recommended for your vehicle application.
Not Yet Reviewed
$139.95
To borrow a line from the candy bar commercial, sometimes you feel like a nut… And when that particular need arises, Yukon Gear & Axle pinion nut washers are a quality choice. Maybe your old pinion nut washer is corroded, too loose, or broken altogether—all good reasons for a Yukon replacement. They're machined to OEM specifications and made from quality materials for durability. Order the replacement washers recommended for your axle application.
( 6 )
$7.89
Yukon Gear & Axle master overhaul kits are what you need for a successful differential rebuilding. All of the high-quality parts that you need are provided to do your job right. Yukon master kits go through extensive research to ensure a perfect fit and hassle-free install utilizing the best components, including Timken bearings and races! Choose from their huge selection of kits to meet your replacement application. Yukon Gear & Axle master overhaul kits may include: * Pinion bearings * Carrier bearings * Pinion seal * Crush sleeve or preload shims * Pinion depth shims * Carrier shims (varies by application) * Gear marking compound and brush * Pinion nut * Baffles and slingers (varies by application) * Gasket and/or silicone * Ring gear bolts (for application) * 20-page instruction manual
( 106 )
$421.99
On Sale
Shiftworks shifter conversion kits offer shifter solutions for a variety of make/model vehicles. If you've tried to use your factory-installed console or automatic floor shifter when swapping out your old transmission, you soon realize that it doesn't fit. But, with Shiftworks kits, they will. These assemblies have what you need to keep your classic ride looking original and shifting with modern performance. Whether you're replacing your Powerglide or upgrading to an overdrive transmission, your favorite factory shifter will still be there—and working great—thanks to Shiftworks shifter conversion kits.
( 72 )
$237.99
$214.19
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