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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.
Showing In Stock Items. Show All 1626 Items.
Summit Racing™ Speedometer Gear Kits
Summit Racing™ speedometer gear kits are designed to recalibrate the gauge back to normal after changing rear axle ratios or tire diameters from stock. We give you a new "bullet" and a nice assortment of drive and driven gears to accommodate most street gear ratios and tire sizes. All you need to know are the tire diameter and rear gear ratio--and you can dial in the speedometer (and try to avoid those unwanted speed violations). Select the kit that's compatible with your transmission application.
( 22 )
$68.99
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 )
$515.99
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$2,307.99
Motive Gear Ring and Pinion Sets
Motive Gear is the leading manufacturer of driveline products for just about any vehicle, whether it is a stock daily driver or a full-competition 4x4 or race car. They are proud to offer an unmatched selection of quality components engineered and manufactured for the vehicle and for the way it is driven. Motive Gear ring and pinion sets are engineered to meet or exceed OEM specifications at a price that won't break your budget. Their broad selection of ring and pinion ratios is available for just about every vehicle made from the 1940s through the present. All Motive Gear products meet strict quality standards through advanced manufacturing techniques and are backed by their strong warranty. Their in-house quality control lab utilizes state-of-the-art equipment to continuously check Motive Gear products for strength, tolerance, and hardness. Only after meeting stringent quality standards are Motive Gear products packaged and ready for delivery.
( 284 )
$125.99
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$2,364.99
Clearance
Yukon Gear & Axle Ring and Pinion Sets
Yukon Gear & Axle ring and pinion sets are strong but quiet performers. Designed to handle some of the harshest conditions, these sets utilize the latest design and manufacturing technologies to afford you a smooth running gear that's durable and easy to set up. Yukon ring and pinions are available in hundreds of size, ratio, and axle model options. Whether you're on the street, off-road, or at the track, you'll experience unrivaled power and gear performance. Order the model recommended for your application.
( 174 )
$1,600.99
$224.50
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$2,269.99
Richmond Gear Pro Gear Ring and Pinion Sets
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.
( 44 )
$469.99
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$915.99
Richmond Gear Ring and Pinion Sets
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.
( 307 )
$294.12
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$700.99
Richmond Gear EXCel Ring and Pinion Sets
Richmond Gear EXCel ring and pinion sets are manufactured to meet the exacting specifications required by Richmond Gear. The design, tooling, steel selection, and heat-treat recipes are all controlled by Richmond Gear to produce cost-alternative ring and pinion sets. The Richmond Gear EXCel ring and pinion sets offer exceptional value with better-than-OEM quality. Available in a wide variety of gear ratios, the Richmond Gear EXCel ring and pinion sets will give you maximum confidence in your differential.
( 143 )
$148.98
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$1,252.98
Ford Performance Parts Ring and Pinion Sets
Ford Performance Parts ring and pinion sets are engineered, manufactured, and tested for maximum performance. These ring and pinion sets are finished in a black oxide coating for corrosion resistance, and are available in many different ratios to fit a variety of Ford differentials.
( 131 )
$190.99
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$243.99
Motive Gear Performance Ring and Pinion Sets
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!
( 194 )
$229.99
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$1,310.98
Summit Racing™ Ring and Pinion Sets
Summit Racing™ ring and pinion gear sets are ideally suited for track duty, street use, or off-road applications.These gear sets are CNC-cut from 8620 steel for outstanding durability, factory-lapped for a precise fit, and Rockwell-tested for hardness.
( 245 )
$189.99
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$284.99
USA Standard Gear Spider Gear Sets
USA Standard Gear spider gear sets offer OEM-quality at a low price. They're available in dozens of configurations for applications from 1955 and up. Depending on the kit you choose, your selection may include all or a combination of side gears, pinion gears, spider gear thrust washers, cross pin shaft, cross pin bolt, and/or roll pin. Restore the performance of your differential with the quality of a USA Standard spider gear set.
( 17 )
$147.99
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$329.99
Summit Bucks
Sonnax Input Carrier Kits
Sonnax input carrier kits transform OE wide-ratio automatic transmissions into a close ratio for game-changing acceleration on the track. Manufactured and engineered for outstanding durability, these kits keep your engine in the optimal power band, while allowing a longer pull in first and second gears, improving consistency and performance. The input carrier gears are precision-ground to OE standards and feature thrust washers with a highly wear-resistant, PTFE-coated material, plus a thicker captured bearing. Lube channels direct oil to the pinion pins, and the carrier can be disassembled for inspection and service. Stay in the power band with Sonnax input carrier kits.
( 5 )
$950.15
USA Standard Gear Ring and Pinion Sets
USA Standard Gear ring and pinion sets are high-quality and precision-machined replacements. They're offered for a wide variety of common and hard-to-find applications, differential case designs, and ratios. The right choice adds confidence to your install; select the USA Standard ring and pinion set recommended for your vehicle.
( 50 )
$205.50
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$776.99
Motive Gear Open Differential Internal Kits
Motive Gear open differential internal kits are an efficient and economical solution for rebuilding your worn-out carrier components. They're available for a wide range of axle models, and typically include replacement gears and hardware necessary to restore traction and control you depend on. Don't take a chance by reusing old gears or worn washers when performing a differential rebuild. Reduce future carrier problems and order the Motive Gear open differential internal kit designed to fit your application.
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$94.99
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$804.99
USA Standard Gear Ring and Pinion Gear Kit Packages
USA Standard Gear ring and pinion gear kit packages provide all you need to re-gear your front or rear differentials. They include ring and pinion sets along with master overall kits to fully complete your job. Save time searching for components—and save money by purchasing everything at the same time. Service the front or rear of your rig with a ring and pinion gear kit package from USA Standard Gear.
( 5 )
$441.99
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$1,475.99
FTI Performance Planetary Gear Sets
FTI Performance planetary gear sets are available in a variety of ratios, lengths, and strengths. Materials range from 4340 steel, to heavy-duty 300M, and 32-spline output billet cryo'd for those needing extreme performance. No matter the type of racing you're involved in, you can find the right planetary gear sets at FTI Performance. Order the set recommended for your transmission application.
( 1 )
$829.00
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$1,459.00
Motive Gear Manual Transmission Replacement Gears
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 )
$29.99
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$161.99
Yukon Gear & Axle Spider Gear Kits
Yukon Gear & Axle spider gear kits offer better performance for your differential. Utilizing high-quality materials and better-than-OE design, Yukon spider gears get you through turns with the traction that you need. The kits are available in a variety of carrier styles and are compatible with dozens of axle models, front and rear. Improve your differential with the addition of a Yukon Gear & Axle spider gear kit.
( 69 )
$23.99
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$692.99
Motive Gear Performance PRO Gear Ring and Pinion Sets
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 )
$470.99
Clearance
Nitro Gear and Axle Ring and Pinion Gear Sets
Nitro Gear and Axle ring and pinion gear sets are manufactured from 8620 steel gear forgings, with a specialized process making them the toughest, quietest gears on- or off-road. By using better materials, better CNC precision-machining, and better lapping/heat-treating processes, they can ensure excellent contact patterns, plus a strong, long-lasting setup. Each new product is subjected to multi-point inspections and then actually installed and set up by Nitro's own in-house differential experts to assure excellent fitment and easy setup. Order the Nitro Gear and Axle ring and pinion set recommended for your application.
( 1 )
$287.00
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$449.99
$199.50
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$314.50
Motive Gear AX Series Lightweight Performance Ring and Pinion Sets
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
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$339.99
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$605.98
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.
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$445.99
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$2,035.99
Clearance
Nitro Gear and Axle Pro Gear Ring and Pinion Gear Sets
Nitro Gear and Axle Pro Gear ring and pinion gear sets are manufactured from 9310 forgings for maximum strength in competition/race vehicles. They are not intended for daily use as they have a shorter life span relating to their wear characteristics. The cut on these gears is engineered for maximum strength, often resulting in significant noise compared to traditional gear sets. Further enhancements and specialty parts may be required. Order the Nitro Gear and Axle Pro Gear ring and pinion set recommended for your competition/racing application.
Not Yet Reviewed
$1,449.99
$999.50
Richmond Gear Replacement Manual Transmission Gears
These Richmond Gear replacement manual transmission gears are designed to keep your transmission operating correctly. They are available for all Richmond transmissions. Choose between 1st, 2nd, 3rd, 4th, 5th, and 6th gear ratios.
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$72.99
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$480.99
