Transmission & Drivetrain
Availability
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.
Axle Assembly, Tru-Spin, Jr. Dragster Type, Rear, Billet Aluminum, Kit
Part Number: HSD-R-055
Not Yet Reviewed
Chain Guard, 2-Piece, Aluminum, Natural, Each
Part Number: HSD-G-062-08
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Clutch Assembly, Polar Vortex, for Jr. Dragster Secondary Drive Only, Each
Part Number: HSD-CP-105S
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Bearing, Jackshaft Component, Steel, 0.750 in. I.D., Each
Part Number: HSD-M-043
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Sprocket, Rear, 69-tooth, Steel, Natural, 415 Chain Size, Each
Part Number: HSD-R-523-415-69
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Sprocket, Rear, 70-tooth, Steel, Natural, 415 Chain Size, Each
Part Number: HSD-R-523-415-70
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Primary Spring, Polar Clutch Replacement Component, Purple, Each
Part Number: HSD-CP-090P
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Bearing Support, Jackshaft Component, Each
Part Number: HSD-CP-111
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Secondary Spring, Polar Clutch Replacement Component, High-tension, Each
Part Number: HSD-CP-076R
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Key, Polar Clutch Replacement Component, 0.186 in. Square Clutch Key, Each
Part Number: HSD-CP-101
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Retainer, Jackshaft Component, Each
Part Number: HSD-M-042R
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Axle Retainer Plates, Bearing Cassette, Junior Racing, Aluminum, Natural, Each
Part Number: HSD-R-052
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Primary Spring, Polar Clutch Replacement Component, Green, Each
Part Number: HSD-CP-090G
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Roller Assemblies, Polar Clutch Replacement Components, Set of 3
Part Number: HSD-CP-098
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Ramps, Polar Clutch Replacement Components, Set of 3
Part Number: HSD-CP092-122822
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Ramps, Polar Clutch Replacement Components, Set of 3
Part Number: HSD-CP092-153024
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Sprocket, Rear, 65-tooth, Steel, Natural, 415 Chain Size, Each
Part Number: HSD-R-523-415-65
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Sprocket, Rear, 74-tooth, Steel, Natural, 415 Chain Size, Each
Part Number: HSD-R-523-415-74
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Sprocket, Front, Steel, Natural, fits 35 Chain, 16-Tooth, Junior Dragster, Kart, Each
Part Number: HSD-R-520-35-16
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Sprocket, Rear, 73-tooth, Steel, Natural, 415 Chain Size, Each
Part Number: HSD-R-523-415-73
Not Yet Reviewed
Sprocket, Rear, 63-tooth, Steel, Natural, 415 Chain Size, Each
Part Number: HSD-R-523-415-63
Not Yet Reviewed
Primary Post, Polar Clutch Replacement Component, Fixed Post, Each
Part Number: HSD-CP-100
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
Drive Sprocket Hubs, Jr. Dragster, 1 1/4 in. I.D., for use with 1/4 in. Keys/Allen Bolts, Aluminum, Natural, Each
Part Number: HSD-R-061
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Sprocket, Front, Steel, Natural, fits 35 Chain, Junior Dragster, Kart, Each
Part Number: HSD-R-520-35
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Sprocket, Front, Steel, Natural, fits 35 Chain, 10-Tooth, Junior Dragster, Kart, Each
Part Number: HSD-R-520-35-10
Not Yet Reviewed
Estimated Ship Date: Nov 17, 2025 if ordered today
Estimated Ship Date: Nov 17, 2025 if ordered today
Modal Header
Call To Order
This is a custom order part. You can order this part by Contacting Us.
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster
