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1981 Transmission & Drivetrain
Showing In Stock Items. Show All 45 Items.
TCI Competition Transmissions
TCI Competition transmissions are designed to take the abuse of drag-racing competition. They're available with full-manual and trans-brake setups and retain no automatic shift features. They feature special heat-treated races and sprags, high-performance clutches and bands, and improved lubrication. TCI blueprints and modifies these transmissions for maximum performance, then dyno tests and pressure tests them. So you can concentrate on winning the race!
( 31 )
$1,853.95
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$1,967.95
Summit Bucks
Eaton Electronic ELocker Differentials
Eaton electronic ELocker differentials offer you the best of both worlds. Imagine having the comfort and convenience of an open differential for around town—and the powerful traction of a full-on locker when it's necessary. This is exactly what the Eaton ELockers provide. With the push of a dash-mounted button, you decide when the differential should be fully locked for maximum traction to both wheels, or free to differentiate for the best fuel mileage and tire tread life. Whether you're running a 2WD or 4WD, open or locked, the Eaton ELockers put the driver in total control! Order the carrier designed for your axle model.
( 12 )
$1,509.99
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$1,956.99
Currie 9 in. Rear-End Housing Assemblies
Direct-fit Currie 9 in. rear-end axle housing assemblies have OE mounting points designed specifically for your application. This means that you won't have to spend hours cutting and welding in order to install them. These assemblies are available with disc or drum brakes, axles, bearings, and seals--everything you need to upgrade your rear-end, courtesy of Currie Enterprises.
( 7 )
$1,550.00
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$1,750.00
TCI Maximizer 4x4 Transmissions
Bring out the performance of your 4x4 with these Maximizer transmissions from the folks at TCI. Four-wheel drive vehicles are tough on automatics, especially with the addition of a lift kit and larger tires. Maximizer transmissions are built with that in mind. Each one is assembled with the strongest components available and designed to provide crisp shifts, time and time again. They give you all of that, and they'll deliver long and dependable service, too.
( 31 )
$1,809.95
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$1,865.95
TCI StreetFighter Transmissions
TCI StreetFighter transmissions are durable enough to withstand the rigors of even the toughest street machines. Equipped with a manual/automatic valve body, most units allow you to manually shift the vehicle into each gear change or, by placing it in the drive position, remain fully automatic. In either mode, you get a race track shift that bangs through the gears and shaves time off of your ETs. When you use the manual gear selection feature, the StreetFighters upshift and downshift right when you move the lever, with no lag or governor override. When you select the normal drive position, they retain positive automatic shifts for the ease of driving you look for in an automatic transmission.
( 145 )
$1,772.95
Yukon Gear & Axle Ring and Pinion Gear and Differential Combos
Yukon Gear & Axle ring and pinion and differential combos save time and money by including everything you need in one simple part number. Pro Kits feature a premium Yukon ring and pinion gear set, Yukon Master install kit with high-quality Timken bearings, and required small parts to get vehicles back on the road quickly. The gear and install kits include axle bearings and seals. Many of these combo kits include Dura Grip differentials, depending on application. Order the Yukon Gear & Axle ring and pinion gear and differential combo designed to fit your application.
( 4 )
$1,502.99
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$1,757.99
Trail-Gear Trail-Creeper 4.70 Single Transfer Cases
Trail-Gear Trail-Creeper 4.70 single transfer cases can be installed as replacements for your stock gear-driven case or combined with crawl boxes to create dual transfer cases. TG Trail-Creepers feature a 4.70 low-range gear set in fully rebuilt and inspected cases. They have triple-drilled flanges installed on both front and rear outputs and are available with 21 or 23-spline input gear, plus a choice of shifter options. All models include Trial-Gear Trail-Safe T-case output seals installed.
( 2 )
$1,999.99
RAM Force 10.5 Dual Disc Clutch Kits
RAM Force 10.5 dual disc clutch kits have a strap-driven floater plate and are precision-balanced for quiet operation. The sprung hub top disc absorbs shock and reduces driveline noise. Force clutches are available with your choice of a 300 Series friction disc or a 900 Series disc. The 300 Series organic disc models are capable of handling 500 to 800 hp; while the 900 Series metallic models can handle between 600 and 1,200 hp. These kits use a marcel spring—a thin, wavy device that helps to eliminate the go-or-no-go tendency that similar dual disc clutches have. RAM Force 10.5 dual disc clutch kits include a billet aluminum, SFI-certified flywheel with a steel insert that has sufficient mass to draw heat away from the clutch without distortion. Some kits are available with a steel flywheel. Order the model recommended for your vehicle and engine application.
( 4 )
$1,685.00
Summit Racing™ 9 in. Ford Grand National Rear-End Assemblies
Summit Racing™ 9 in. Ford Grand National rear-end assemblies are a good choice for your Circle Track race car. Offering quality-built performance at competitive pricing, our Summit Racing™ rear-end assemblies will keep you circling with the big boys without empting your wallet. These full-floating 9 in. Ford Grand National assemblies offer safety on the track and are delivered with a floater housing, lightweight hubs, rotors, solid axles built from 8620 heat-treated steel, bearing seals, rotor bolts, and lug nuts. Assemblies come with new stamped centers manufactured in the USA and are available with 28 or 31-spline solid axles. Axle tubes are turned for the easy installation of birdcages and suspension mounts. And, just like the big boys, the axle caps are red and etched with the Summit Racing™ logo. Do you need a little more grip in the corners? Or, maybe you got a little too chummy with the wall? No matter the reason, you've chosen wisely--Summit Racing™ 9 in. Ford Grand National rear-end assemblies.
( 1 )
$1,593.97
Spicer Drivetrain Products Differential Carriers
What kind of hidden performance does your vehicle possess that's ready to be unleashed? Spicer Drivetrain Products differential carriers supply the power for you to find out! You can increase your off-road traction, maintain streetability, and get ready to rock and roll in your truck or Jeep with the selection of carriers offered by this legendary manufacturer. Spicer goes above and beyond so your rig can do the same! Order the model and options recommended for your vehicle.
( 38 )
$1,555.99
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$1,669.99
RideTech Stock Width 4-Link Axle Assemblies
If you have chosen a Ridetech 4-link system to improve the ride quality, handling, and braking of your classic muscle car, the next purchase should be a Ridetech Ford 9 in. housing and axle package with integrated 4-link and sway bar brackets. These stock 4-link axle assemblies allow for the easiest installation of your 4-link system. The 9 in. Ford housings are great foundations for putting torque to the pavement. They feature a webbed center section, internal gussets, thick wall tubes, and billet steel flanges (new-style Big Bearing/Torino). The pinion is offset 1/2 in. and the axle flange is offset 2 1/2 in. Ridetech stock housing and axle packages are offered in two axle lengths and available raw or with a black powdercoat finish. Select the proper length and preferred finish for your project. Features and benefits: * Webbed center section with internal gusseting for added strength * 3 in. diameter, 1/4 in. thick wall tubes * 31-spline heat-treated 1541H custom alloy axles * High-quality Timken tapered bearings on axle as standard * Drain plug and jack pad * High-quality Grade 8 installation hardware--housing studs, T-bolts, nuts, and washers * 3rd member studs are pre-installed and ready to accept a third member
Not Yet Reviewed
$1,975.00
RAM Pro Street Dual Disc Clutches
RAM Pro Street dual disc clutch kits are precision-balanced for smooth operation—and come equipped with a billet cover for optimum release length, a comfortable pedal effort, and a high diaphragm finger position for excellent high-RPM shifting capability. The sprung hub top disc absorbs shock and reduces driveline noise. Pro Street kits are available with your choice of an organic friction disc or a metallic disc. Organic disc models are capable of handling 500 to 800 hp; the metallic disc models can handle between 600 and 1,200 hp. RAM Pro Street dual disc clutch kits include a billet aluminum, SFI-certified flywheel with a steel insert that has sufficient mass to draw heat away from the clutch without distortion. Some kits are available with a steel flywheel. Order the clutch recommended for your vehicle and engine application.
( 1 )
$1,899.00
Auburn Gear Select-A-Loc Differentials
Auburn Gear Select-A-Loc differentials maximize your vehicle's traction with on-the-go system engage. These electronically controlled traction-enhancing differentials are selectable lockers offering the traction control of a limited-slip differential and a full-locking differential--all in one! When locker switch is off, the clutch pack activates the limited-slip mode. As torque increases, the separating forces within the differential gears increase, causing the clutch pack to be compressed, in turn providing bias torque to the highest traction wheel. When the locker switch is turned on, electronic current is sent to the electromagnetic coil which locks the axles together. Auburn Gear Select-A-Loc lockers feature a unique cone-clutch design with gearing made from aircraft-quality 9310 heat-treated billet steel for tough-as-nails strength. The lockers operate quietly without any shift fork or pins to line up to change the locker mode. With a limited-slip mode for on/off-road excitement and a true locker mode for the quarter-mile or nasty off-road terrain, Auburn Gear Select-A-Loc differentials deliver superior traction capabilities on the street, at the track, or off-road.
( 10 )
$1,801.99
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$1,802.99
Motive Gear Ring and Pinion Gear and Installation Kit Combos
Want to get back the power and gas mileage that you lost from installing those big tires on your Jeep? Motive Gear makes it easy to re-gear your 4x4 with their ring and pinion gear and installation kit combos. These complete kit combos include front and rear ring and pinion sets, plus front and rear bearing kits, giving you everything you need to re-gear the front and rear differentials in one package. The kits come in a wide range of ratios for most Dana applications. Their quality is the result of years of development, outstanding design, and state-of-the-art manufacturing methods to ensure a perfect fit for an easy install.
( 8 )
$1,526.99
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$1,617.99
Yukon Gear & Axle Zip Lockers
Need traction? Zip! You've got it with Yukon Gear & Axle Zip lockers! With on-demand traction, these lockers offer an air-operated design that allows you to switch from an open differential to 100 percent lockup when you need it. Theses Yukon Zip lockers are the ultimate in driver selectability for the right traction, on-road and off. Built from forged cases with 4320 chromoly internals for added strength, they work with a variety of air-delivery systems and are assembled in the USA. Do you need gripping power--now? You have the control with Yukon Gear & Axle Zip lockers.
( 1 )
$1,539.99
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$1,571.99
Yukon Gear & Axle Ring and Pinion Gear and Installation Kit Combos
Yukon Gear & Axle ring and pinion gear and installation kit combos are complete packages that include front, rear, or front and rear ring and pinion sets, along with the most complete master overhaul kits on the market—giving you everything needed to re-gear the front and/or rear differentials in one package. Conceived to handle some of the harshest conditions, these combos utilize the latest design and manufacturing technologies to afford you quiet running gear that's strong and easy to set up. The included Yukon master rebuild kits undergo extensive research to ensure a perfect fit and hassle-free install with the very best components. Order the combo designed to fit your application.
( 14 )
$1,538.99
Transmission Specialties Lock-Up Street/Strip Multi Plate Torque Converters
Transmission Specialties offers Lock-Up Street/Strip multi-plate torque converters for a variety of transmission and engine models. The heavy-duty converters have an oversized billet lock-up piston for exceptional durability in all applications. А billet front cover is standard, and all fins are furnace brazed and heli brazed for added strength. Stall speed can Ье set from 2800-4500 rpms. Order the replacement or upgrade model recommended for your vehicle. Additional notes: * Three new Torrington bearings * New flanged impeller hub * New billet turblne splines * Furnace brazed and heli brazed * XHD billet oversized lock up CI * XHD billet front cover * Computer balanced * Pressure leak test * Best price in the industry
Not Yet Reviewed
$1,529.81
Currie 9 in. Ridetech Housing and Axle Packages
If you are considering Ridetech's coilover suspension system for the back of your vehicle, don't let the rearend stop you! Currie 9 in. Ridetech housing and axle packages are available in stock axle width or narrowed for mini-tubs, and feature the stock pinion offset (drive shaft location) and wheel bolt pattern with Ridetech 4-link suspension and sway bar brackets installed for a straightforward, hassle-free installation. Features: * Currie Centurion high-strength 9 in. notchback housing with flush drain plug * Ridetech 4-link brackets installed * Available in stock or mini-tub widths * Currie Performance 31-spline axles with wheel studs installed * Tapered axle bearings and heavy-duty retainers
( 1 )
$1,750.00
South Bend Clutch Stage 1 Heavy-Duty Clutch Kits
Designed for spirited and daily driving, the South Bend Clutch Stage 1 clutch kits make for a great OEM replacement when your factory clutch gives out. The pressure plate included in this clutch kit has an increased clamp load that promotes longer life, and the disc is dual dampened for smooth engagement and increased transmission life. The disc has also been designed with premium friction materials, which will ensure for rapid heat dissipation and will help to increase the life of the clutch. Select the Stage 1 HD clutch kit designed for OE replacement or your performance application.
( 17 )
$1,782.07
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 )
$1,909.74
Yukon Gear & Axle 4340 Chromoly Axles
Yukon Gear and Axle offers an extensive line of general replacement and high performance axles for passenger car, truck and SUV applications. Yukon Gear & Axle 4340 chromoly axles provide up to 50 percent more strength than stock axles … critical for extreme performance applications with large tires, high torque and high horsepower. These 4340 axles are manufactured using the latest technologies and the highest quality materials for long life in off-road, street and track use. Yukon Gear & Axle 4340 chromoly axles are offered in complete kits or individually.
( 36 )
$1,582.99
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$1,592.99
USA Standard Gear Ring and Pinion Gear and Differential Combos
USA Standard Gear ring and pinion and differential combos save time and money by including everything you need in one simple part number. Quick Kits feature a USA Standard ring and pinion gear set, Master Install Kit with high-quality Koyo bearings, and required small parts to get vehicles back on the road quickly. The gear and install kits include axle bearings and seals. Many of these combo kits include Dura Grip differentials, depending on application. Order the USA Standard Gear ring and pinion gear and differential combo designed to fit your application.
( 4 )
$1,588.99
USA Standard Gear Axle Shafts
USA Standard gear axle shafts are high-quality replacements machined from steel for superior strength and performance. They're available for dozens of differential case design applications, such as AMC, Ford, GM, Chrysler, and Dana. The shafts are offered in nearly a hundred lengths and numerous wheel stud patterns. Order the model recommended for your vehicle.
( 36 )
$1,547.99
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$1,756.99
RideTech Narrowed 4-Link Axle Assemblies
If you have chosen a Ridetech 4-link system to improve the ride quality, handling, and braking of your classic muscle car, the next purchase should be a Ridetech Ford 9 in. housing and axle package with integrated 4-link and sway bar brackets. These narrowed 4-link axle assemblies allow for the easiest installation of your 4-link system. The 9 in. Ford housings are great foundations for putting torque to the pavement. They feature a webbed center section, internal gussets, thick wall tubes, and billet steel flanges (new-style Big Bearing/Torino). The pinion is offset 1/2 in. and the axle flange is offset 2 1/2 in. The narrowed axle widths satisfy mini-tub applications. Ridetech narrowed housing and axle packages are offered in two axle lengths and available raw or with a black powdercoat finish. Select the proper length and preferred finish for your project. Features and benefits: * Webbed center section with internal gusseting for added strength * 3 in. diameter, 1/4 in. thick wall tubes * 31-spline heat-treated 1541H custom alloy axles * High-quality Timken tapered bearings on axle as standard * Drain plug and jack pad * High-quality Grade 8 installation hardware--housing studs, T-bolts, nuts, and washers * 3rd member studs are pre-installed and ready to accept a third member
( 1 )
$1,975.00
