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ARP Pro Series ring gear bolts are forged from premium-grade 8740 chromoly steel and heat-treated to a rating of 200,000 psi. They're available in a variety of lengths and thread sizes for nearly two dozen axle applications. Specially hardened, precision-ground washers are also included, where required.
( 79 )
$25.99
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$84.99
aFe Pro Series differential covers bring performance engineering to the protection of your axle's differentials. The durable cast aluminum construction with reinforced ribs provide maximum strength, while the machined fins and textured powdercoating provide a distinctive look. aFe Pro Series differential covers are available individually for front or rear with or without PRO Guard D2 synthetic 75W-90 oil and in complete sets with front, rear, and oil. Features: * Increased oil capacity * Internal/external ribs/fins transfer heat from oil to outside air for maximum cooling * Dual neodymium magnetic plugs--magnetic drain and deep reach fill plug—capture loose particles for maximum gear protection * Large oil level sight glass allows quick and easy oil inspection * Calibration plug set to the factory oil level to eliminate overfilling
( 20 )
$185.85
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$454.65
aFe Street Series differential covers bring the power and performance with a dash of style. Constructed out of durable die-cast aluminum, these aFe Street covers are designed with reinforced ribs for maximum strength. Plus, they feature built-in fins that transfer heat from the fluid to the outside air for maximum cooling. The covers are fitted with Neodymium magnetic drain plugs that capture loose particles to provide maximum gear protection, plus 1/8 in. NPT calibration plugs that are set to the factory fluid level for easier/quicker filling and eliminate accidental overfilling. You can choose raw or black powdercoated finishes with machined ribs for style. aFe Street Series differential covers are engineered to be your only choice for best-in-class protection, performance, and value.
( 11 )
$261.45
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$311.85
aFe Street Series fabricated aluminum differential cover provides superior strength in off-road environments. Constructed out of durable diecast aluminum and fully TIG-welded on the inside and outside, improving the strength of all edges. aFe Street Series fabricated aluminum differential cover includes recessed hardware which prevents unwanted snagging on rocks and other obstacles. They are engineered to be your only choice for best-in-class protection, performance, and value.
Not Yet Reviewed
$152.25
RCV Performance offers Pro Series II UTV axles for a variety of Polaris, Can-Am, and Yamaha off-road machines from 2014 and up. They're designed and engineered to handle the most abusive conditions on the planet. From desert racing to rock bouncing, Pro Series II is the ultimate in strength and endurance. All 300M components and RCV's specially developed SPEC grease provide the peace of mind needed to tackle any terrain. Tests prove these axles to be two times stronger than the OEM shafts. Front and rear axles are available separately. Additional product details: * FRONT axles: 300M and 4340 CV housings and 300M CV internal components * REAR axles: 300M CV housings and CV internal components * Fixed CVs for ultimate angle (Over 40 degree max operating angle) * Plunging fine-spline shaft for reduced friction * 300M 40/41 spline axle shaft * Largest internal CV components in any UTV axle * New proprietary technology for wear resistance and longevity of CV components * Designed for extreme racing conditions
Not Yet Reviewed
$849.95
These Strange Standard series spools are an affordable and dependable option when weight is not a primary concern. These Standard series spools are designed to be an easy changeover from OEM-type units. The internal splines are left in the stock location, allowing for the use of existing stock axles. Since the release of the Standard series spools, their popularity has become unmatched, and in most cases, they are even lighter than the competition's lightweight spools .
( 13 )
$178.99
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$224.99
Motive Gear AX Series lightweight performance ring and pinion sets help you lead with power by eliminating up to two pounds of rotating weight. Rigorous testing and innovative technology elevates the AX Series to championship-level power, durability, and performance. Dominate any track with an assist from the Motive Gear AX Series lightweight performance ring and pinion set best suited for your racing application. More product features include: * Solid shank pinion shaft * Indexed tooth spacing * CNC from start to finish * Computerized heat treatment * Central contact pattern * Gleason 5-cut technology * Cutting-edge lapping
( 4 )
$517.99
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$605.99
SCS Gearbox 6-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 #32 are max lightened where possible, without sacrificing the strength for an average weight savings of 1 1/2 lbs.! The SCS Gearbox 6 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 )
$144.99
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 )
$177.99
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$178.99
SCS Gearbox 10-Spline Sportsman Series quick-change gears have been specifically designed and priced for the Sportsman Racers. They are CNC crown hobbed to produce a quality that meets the exacting standards accepted by SCS. The gears are not lightened and are made of 8620 material. The SCS Gearbox Sportsman Series quick-change gears are heat-treated and have an REM finish.
( 1 )
$96.99
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$97.99
Big torque doesn't have to mean big traction problems. Eaton Posi Performance differentials combine carbon friction discs with precision-forged gears to give you great traction, even under higher torque loads. Plus, the carbon friction discs produce smooth, quiet performance for the life of your vehicle.
( 104 )
$555.00
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$801.99
Richmond Gear is the leading manufacturer of professional-quality, high performance ring and pinion sets. The superior quality of these gear sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Richmond also offers these gear sets in a lightened version for the weight-conscious enthusiast. Their lightened ring and pinion sets feature an outstanding rotating weight loss of up to 6 lbs., ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.
( 308 )
$283.37
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$666.99
Richmond Gear Pro Gear ring and pinion sets take it a step further. The gear sets are designed for race use only where hard launches and severe heat cycling occurs. They're made from a softer, more malleable 9310 steel alloy to be more resistant to breakage under harsh racing conditions. These gears feature an outstanding rotating weight loss of up to 6 pounds, ground pinion threads for trouble-free installation, and a special heat treatment for improved strength.
( 42 )
$469.99
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$907.99
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.
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$1,393.99
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$1,875.99
Motive Gear Performance ring and pinions are perfect for dedicated racing or off-road vehicles. Their gear sets are made from first-run steel, they never use recycled metal. This allows Motive Gear Performance ring and pinions to handle the extreme torque from high-horsepower racing engines. Extensive engineering, computer-controlled heat treatment, superior strength, quality and the widest selection of racing gear ratios, makes Motive Gear Performance ring and pinions the clear winner! Engineered to the highest standards, every Motive Gear Performance product goes through rigid quality control processes in their in-house lab. Motive Gear Performance also offers a lightweight alternative to standard ring and pinion gear sets. Their AX Series ring and pinions are designed to increase horsepower and efficiency by removing rotating weight. Professional race teams have used custom-lightened drivetrain parts for years, resulting in faster times and more wins. The AX Series gears from Motive are lightened during the manufacturing process; this results in gear sets that have been engineered, not modified. Computer-controlled heat treatment, index tooth spacing, and CNC machining all go into AX Series performance gear sets. Motive Gear Performance: What the pros run!
( 195 )
$282.37
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$1,456.99
Yukon Gear & Axle Dura Grip positraction carriers offer great traction and strength, and yet are not overly aggressive for the streets. These nodular iron or steel replacements are 4-spring, Raybestos composite, clutch-style, limited-slip carriers—with internal gears machined from forged 4320 steel with stronger teeth. Assembled in the USA, the Yukon differential carriers are rebuildable, allowing for repairs or modifications without buying a new unit. They're available for fitment with nearly two dozen axle models. What are you using to transfer power? Choose smooth operation with strong lockup abilities to transfer torque—benchmarks of the Yukon Gear & Axle Dura Grip positraction carriers.
( 134 )
$411.00
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$1,298.99
On Sale
Summit Racing™ Positraction differential carriers deliver aggressive, yet smooth, controllable traction. Our carriers feature nodular iron cases, forged steel internals, strong teeth—and they're fully rebuildable. We offer fitments for dozens of axle models. Whether replacing or upgrading, Summit Racing™ Positraction differential carriers will put power to the pavement, providing the confidence and performance you need.
( 49 )
$643.99
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$904.99
Are you tired of piecing parts together to form a kit? We've removed the guesswork with these Summit Racing™ ring and pinion gear and installation kit Pro Packs. They include a ring and pinion gear, ring and pinion gear installation kit, friction modifier, 75W140 limited-slip gear lube, and even an installation DVD. Available for different types of rear differentials and in a variety of gear ratios, the Summit Racing™ Pro Packs will facilitate a quick and easy gear ratio change.
( 19 )
$525.75
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$890.44
If you're installing a bigger series gear set onto a smaller series carrier, then you'll need one of these Mr. Gasket ring gear spacers. Stamped and precision Blanchard ground to ensure trueness, the spacers will provide proper backlash and offer a secure mount for your ring gear. Longer ring gear bolts are included.
( 2 )
$124.95
If you're installing a bigger series gear set onto a smaller series carrier, then you'll need Moser Engineering ring gear spacers. They are precision-machined to ensure trueness, provide proper backlash, and offer a secure mount for your ring gear. Longer ring gear bolts are included for installation.
( 5 )
$95.00
Spicer Drivetrain Products axle shafts are manufactured to the same high standards as factory parts because they are original equipment. That means when an automotive axle is replaced with a genuine Spicer part, you're getting the same performance and reliability as when the vehicle rolled off the assembly line. Dana is constantly revolutionizing the technology behind its Dana axles and Spicer products—so the replacement axle shaft you purchase today may even exceed the standards set for the original equipment part you're replacing. Order the model designed to fit your application.
( 89 )
$123.99
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$827.99
Motive Gear Performance competition-grade products are engineered to endure extreme punishment in dedicated racing vehicles operating in the harshest environments. They can be found in the winner's circle at NHRA, IHRA, SODA, SCORE, BITD, Ultra-4, and NASCAR events. The superior quality of Motive Gear Performance Pro Gear ring and pinion sets is the result of years of racing development, outstanding design, and state-of-the-art manufacturing methods. Pro Gear competition-grade gear sets are cut from 9310 steel, and then heat-treated to a precise hardness through a computer-controlled process. They are available in the widest selection of gear ratios for all popular axle housings. Racers know Motive Gear Performance ring and pinion sets will see them through to the checkered flag race after race. All Motive Gear Performance products meet strict quality standards through advanced manufacturing techniques and extensive testing is performed on all products by their in-house engineers. Competition-grade Motive Gear Performance Pro Gear ring and pinion sets are used by the top drivers and racing teams worldwide. Winning is #1, and Motive Gear can get you there!
( 2 )
$720.99
Replace your old gear carrier with a Moser Engineering full spool to save weight, improve performance, and increase the life of your rear-end components. The steel spools are heat-treated and precision-machined; while lighter aluminum spools are available for Ford 9 in. and GM 12-bolt units. The aluminum models feature a thicker ring-gear flange and a large-diameter midsection for increased strength; they weigh approximately 4 lbs. less than steel spools. Order the full spool recommended for your axle make/model.
( 10 )
$249.00
SVL Drivetrain ring and pinion gear sets make it easy to find the right ratio for your application. Engineered and manufactured for all makes and ratios, they deliver the ideal blend of coverage, performance, and value. SVL starts their ring and pinion sets with a computer-generated gear summary. From there, the gearing is forged from alloy steel for optimal hardness; then the gears are cut with the utmost accuracy to ensure the smoothest possible ride—and computer-controlled heat-treating results in extra wear resistance. In the final stage of the process, the ring gear is mated to the pinion through gear lapping, which provides ideal meshing of the gearing. You can count on SVL Drivetrain ring and pinion gear sets to fit and function as expected in your automotive application.
( 30 )
$166.99
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$309.99
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