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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.
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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Fidanza Billet Aluminum Flywheels
Fidanza billet aluminum flywheels feature excellent heat dissipation and weight reduction. The replaceable friction surface is machined from 1045 steel and attached with military-grade aerospace fasteners. These flywheels are manufactured from the highest quality 6061-T6 billet aluminum and feature a 1050 heat-treated steel ring gear that's pressed on and secured with Grade 8 button screws. They also use a stepped dowel system so that when the parts are installed they're locked into place. No chromoly can compete with the awesome serviceability, strength, and superior design of Fidanza billet aluminum flywheels—available in nearly 200 models and options for applications from the 1940s and up.
( 35 )
$314.99
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$969.14
Mantic Clutch USA 9000 Series Twin Disc Clutch Kits
Stock clutches are made for stock horsepower. Mantic Clutch USA 9000 Series twin disc clutch kits are direct replacement upgrades that can handle 1,010 lb.-ft. of torque capacity at the crank and roughly up to 820 to 850 lb.-ft. at the wheels (capacity will vary with use and type of power adder being utilized). Engineered for serious performance builds, Mantic 9000 clutch kits are the proven answer to transfer all power to the ground and driving your vehicle with a Mantic Twin is easy, pedal effort remains relatively low, with approximately 12 to 15 percent increase over the OE clutch pedal feel. Available for many applications, Mantic Clutch 9000 Series twin disc clutch kits with their ceremetallic friction material and all billet construction make them the best for severe duty yet street friendly. Features and benefits: * SFI approved 1.1 * All billet construction * No Flex at high rpms * High-torque capacity * Lightened flywheel revs quicker compared to heavier OE flywheels * Completely rebuildable—modular construction makes service easy * 9 in. twin disc clutches reduce Moment of Inertia (MOI) for quicker more precise shifts * Ceremetalic friction material offers more heat resistance * OE hydraulic release bearing * All necessary hardware * Cover and components machined from billet stock adding strength and durability
( 2 )
$2,014.00
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$2,874.00
Yukon Gear & Axle Differential Covers
Yukon Gear & Axle offers a full line of differential covers to suit your front or rear applications. These replacement covers protect your gears, keep lubricating fluid where it's needed—and on some styles, they offer added cooling and/or strength. Their large selection affords you options of materials, sizes, and finishes to get exactly what you need. Order the model recommended for your axle, differential case design, and engine specifications.
( 72 )
$35.99
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$449.99
Standard Motor T-Series Neutral and Backup Safety Switches
Don't take chances with old, questionable, or faulty neutral and reverse safety switches that can be a danger to you and others. Standard Motor T-Series replacement neutral safety switches are designed to meet OE specifications to ensure proper fit, form, and function. These switches are available for fitment on a wide range of cars, trucks, and vans. Trust your vehicle's electrical system needs to quality products from Standard Motor.
Not Yet Reviewed
$24.99
Richmond Gear EXCel Ring and Pinion Gear Installation Kits
EXCel by Richmond Gear ring and pinion installation kits include all you need to help complete your ring and pinion installation. When trusting your differential refresh or new install, look to EXCel from Richmond Gear. They bring you all the reliability of the Richmond Gear name with the affordability of carefully selected quality components for your vehicle. Ring and Pinion Gear installation kit features: * High quality bearings from Koyo * Grade 8 fasteners, gaskets, seals, shims, bolts and other hardware * Gear marking compound * All-in-one packaging offers rapid installation
( 10 )
$91.99
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$370.99
Powertrax Grip Pro Traction Systems
Powertrax Grip Pro traction systems are the latest design in differential technology. They combine the smooth operation of a limited-slip differential, with the strength of a fully machined, forged steel case. Using 3x2 spiral gear engineering, the Powertrax Grip Pro delivers progressive and variable traction. Based on throttle input, you are in control of how much traction is applied. These differential systems are great for use where finesse is just as important as brutal traction. On the road or track, in the rain or snow, Grip Pro is a winner! The systems come fully assembled and there are no friction plates—so you can use any gear oil you like, including full synthetic and racing lube.
( 22 )
$603.86
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$1,016.99
Clearance
Richmond Gear EXCel OEM Replacement Axle Shafts
Get a perfect fit and dependable performance with Richmond Gear EXCel OEM replacement axle shafts. They are made from top-quality steel and are available for a very wide range of applications.
( 122 )
$225.99
$96.50
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$673.99
Yukon Gear & Axle Differential Carriers
Yukon Gear & Axle offers differential carriers for a wide range of applications. Yukon uses top-quality materials and the latest manufacturing technologies to produce strong, durable carriers that you can depend on for proper traction. These aftermarket units are available in a variety of styles—such as limited-slip, open, Traction-Lok, and locker—for fitment on dozens of axle models and vehicle apps.
( 13 )
$246.99
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$2,253.99
All Balls Racing Complete 6-Ball Heavy-Duty CV Axles
All Balls Racing complete 6-ball heavy-duty CV axles are designed and built as rugged OEM replacements with the current industry-standard of six ball bearings. They're engineered to handle the increasingly rough terrain and abuse you put your ATV/UTV through on a frequent basis. All Balls Racing complete 6-ball heavy-duty CV axles are static torsion and fatigue-tested, as well as built in facilities that are certified and meet the ISO 9001 quality manufacturing standard—providing you with peace of mind when you're out on the trail. Key features and benefits: * 6-ball bearing * Chromoly steel * Stronger than OEM * 30 percent stronger than the competition * 50 percent longer lasting than the competition * High performance molybdenum grease reduces heat and friction * Precision-machined for precise OEM fitment * Black laminate coating with a gloss finish to resist rust and corrosion * Heavy-duty neoprene boots create a waterproof seal * Low-profile stainless steel clamps
( 4 )
$180.45
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$261.20
Clearance
Powertrax Replacement Couplers
Don't allow worn or damaged couplers on your Powertrax differential system to compromise your vehicle's performance or safety. Replace bad coupler components with new ones from Powertrax to regain optimum traction response.
( 1 )
$223.99
$55.50
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$293.99
Centerforce Throwout Bearings
Centerforce throwout bearings are made to withstand the wear and tear that clutches go through. They are designed to provide reliable service, race after race.
( 126 )
$23.95
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$440.95
Clearance
Spicer Drivetrain Products Slip Yokes
Age, miles, and abuse take their toll on drivetrain parts, making rebuilds and new parts a necessity. When you're seeking direct replacements for OEM, you need Spicer Drivetrain Products slip yokes. Spicer products are used in the production of many vehicles and are well-respected for quality, innovation, and value. These slip yokes are produced with the same high standards as the originals for reliable service. When rebuilding a transmission, use the parts that made it great. Go with Spicer Drivetrain Products slip yokes.
( 135 )
$266.99
$54.99
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$1,032.99
South Bend Clutch Stage 2 Daily Driver Clutch Kits
South Bend Clutch Stage 2 Daily Driver clutch kits are engineered for vehicles with high performance modifications. The heavy-duty pressure plate has an increased clamp load with little or no increase in pedal pressure to offer stock feel, while increasing strength and durability. The organic disc material has a high metal content that increases the co-efficient of friction by two times over a stock lining. This greatly increases rotational strength up to a 12,000 rpm burst point for high performance. South Bend Clutch Stage 2 Daily Driver clutch kits are recommended for daily performance, street, and moderate race vehicles. Select the kit designed for your application needs.
( 6 )
$227.87
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$3,422.27
South Bend Clutch Stage 2 Endurance Clutch Kits
South Bend Clutch Stage 2 Endurance clutch kits are recommended for daily and street use with an emphasis on rally and endurance racing. An SFI-approved single-mass flywheel is recommended for racing climate applications in order to achieve optimal performance (flywheel not included). Order the clutch kit recommended for your vehicle application. Features include: * Designed for the racing environment * Pressure plate is precision-balanced for vibration-free operation at high-rpm * Pressure plate fulcrum is altered for a positive disengagement and a quick shift * Disc is engineered with a dual-damped design to provide accurate control when accelerating through corners * Hybrid friction material with a full face Feramic (sintered iron) lining on the flywheel side and a high metal content organic lining on the pressure plate side * Engagement is positive, yet buffered due to the high graphite content unique to Feramic facings
( 3 )
$255.32
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$3,549.92
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
( 48 )
$1,050.00
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$1,850.00
National Bearing Wheel Seals
Seal in fluids and seal out dirt with National wheel seals. Featuring their proprietary RediCoat sealant, these wheel seals provide a proper seal regardless of surface imperfections. Go with an aftermarket solution you can trust on your vehicle--National wheel seals.
( 8 )
$3.99
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$17.99
Crown Automotive Transfer Case Components
From the time your vehicle starts moving until it stops, the parts in the transfer case are in action and under stress. When time, use, and stresses overcome these parts, replace them with Crown Automotive transfer case components. These components are OE-quality and designed to directly replace the originals. Transfer cases are constantly on the go, and when put into 4WD, they are downright abused. Rebuild or refresh your vehicle's case as needed with Crown Automotive transfer case components.
( 32 )
$1.99
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$432.99
Yukon Gear & Axle 1541H Alloy Axles
Yukon Gear & Axle 1541H alloy axles are part of their extensive line of general replacement and high performance axles for passenger car, truck, and SUV applications. They feature high-quality alloys and the latest in heat-treating technologies to provide strong axles for off-road, street, and track use. Direct-fit replacements are available for dozens of axle models associated with countless cars and trucks. Additional rear axle features include: * One-piece forged 1541H axles are 25 percent stronger than OE 1040/1050 axles * Full-floating axles available for select applications * Rolled splines provide 30 percent strength increase over cut splines * Larger spline upgrades available * 2-piece tapered axles available * Offered in many lengths * Wide variety of bolt patterns
( 158 )
$104.99
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$1,060.99
RAM HDX Clutch Kits
RAM HDX clutch kits are ideal for vehicles that will see mild street and occasional track use. These performance minded clutch kits will provide more clamping pressure over a stock unit and can handle power levels up to 450 hp. All HDX kits feature an increased clamp load pressure plate while providing smooth clutch engagement with only a slight increase in pedal effort. The HDX clutch disc features RAM's premium organic facing material for optimum performance. Most RAM clutch discs utilize an 8-spring hub to maximize disc strength and durability. All kits include the pressure plate, clutch disc, alignment tool, and release bearing where applicable.
( 65 )
$299.00
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$799.00
Crown Automotive Ring and Pinion Gears
Crown Automotive carries a full line of automotive on and off-road ring and pinion gears which are designed to meet original equipment specifications. Whether you're gearing your car for street, strip, or trail, choosing the proper gears will provide more torque to the wheels. Order the size and ratio for precise fitment with your particular axle setup.
( 2 )
$260.99
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$1,034.99
Chevrolet Performance SuperMatic 6L80-E Transmissions
Chevrolet Performance developed the new SuperMatic 6L80-E 6-speed automatic transmissions with upgraded internal components, offering an exceptional torque rating of 650 lbs.-ft. That's a 45 percent increase over regular-production versions of this same transmission. A deep first gear enables strong launch performance, while the top gear supports balanced performance on the highway. They're for use with Chevrolet Performance LS and LSX crate engines in RWD applications. SuperMatic 6L80-E transmissions feature: * 3,000 to 3,400 stall converter * Electro/hydraulic controls with clutch-to-clutch shifting * Output torque rating of 650 lbs.-ft. * Gear ratios: 4.02 (1st), 2.36 (2nd), 1.53 (3rd), 1.15 (4th), 0.85 (5th), 0.67 (6th) * Lightweight diecast aluminum case contributes to dry weight of approximately 195 lbs. * Uses DEXRON VI premium fluid * Truck-style production oil pan * Production vent tube assembly * Approximately 23.5 in. long * Controller and harness, with calibrations for street and track * Harness also includes paddle-shift connection, transmission bulkhead connector that supports aftermarket gear indicator displays, electronically controlled shifters, and more * Chevrolet Performance-specific design includes provisions for an aftermarket transmission cooler, including -6 AN fittings
( 2 )
$5,182.26
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$6,148.77
Chevrolet Performance Automatic Transmission Installation Kits
Chevrolet Performance automatic transmission installation kits are designed to install a modern transmission into your application. These kits help make installation a breeze. If you are converting or upgrading your ride, Chevrolet Performance automatic transmission installation kits are what you need.
Not Yet Reviewed
$170.66
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$478.96
TransGo Automatic Transmission Fluid Control Valves
These TransGo automatic transmission fluid control valves are designed to reduce main line pressure to the torque converter clutch. The lower pressure will allow your transmission to operate more efficiently under no-load conditions.
Not Yet Reviewed
$57.50
Crown Automotive Manual Transmission Replacement Parts
With proper maintenance practices and Crown Automotive quality manual transmission replacement parts, you and your ride will benefit from the best driving experience on and off-road! Crown knows that Jeeps are driven harder than most other vehicles and that is why they emphasize offering only quality parts, from synchro springs, keys, sleeves, hubs, snap rings, and shift forks to hardware and other components. And, all are designed to meet your standards for quality and performance at very reasonable pricing.
Not Yet Reviewed
$1.99
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$168.99
