1981 Transmission & Drivetrain - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

Yukon Gear & Axle Grizzly Lockers Dana 44 YGLD44-4-30

Grizzly Locker, Dana 44, 30 Spline, 3.92 Up Ratio, Each

Part Number: YGA-28001

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

ARP Pro Series Flywheel Bolts 350-2801

ARP Pro Series Flywheel Bolts 350-2801

Flywheel Bolts, Pro Series, Chromoly, Black Oxide, 12-Point, 7/16 in. x .950 in., Ford, V8, Set of 6

Part Number: ARP-350-2801

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Powertrax Lock-Right Lockers GM 10.5 Inch (14-bolt) 1955-LR

Differential, Lock-Right, Locker, 30-Spline, GM, 10.5 in., Each

Part Number: PWT-1955-LR

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Motive Gear Master Ring and Pinion Installation Kits R9.5GRMKT

Ring and Pinion Installation Kit, Master Kit, GM, 9.5 in., 14-Bolt, Kit

Part Number: MGR-R9-5GRMKT

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Crown Automotive Wheel Bearings for 1976-1983 CJ5, 1976-1986 CJ7, 1981-1986 SCRAMBLER - 5356661K

Wheel Bearings, Front, Jeep, Kit

Part Number: CWA-5356661K

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Eaton Detroit Lockers GM 8.5/8.6 Inch 187C148A

Differential, Eaton Detroit Locker, 30-Spline, GM, 8.5 in., Each

Part Number: ETN-187C148A

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Jan 22, 2026 if ordered today

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Estimated Ship Date: Jan 22, 2026 if ordered today

ATI Adapter Kits ATI915242

Adapter Kit, Ford 429-460, Internal Balance To GM, TH350, TH400, Powerglide, Kit

Part Number: ATI-915242

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Yukon Gear & Axle Master Overhaul Kits YK D30-F

Ring and Pinion Gear Installation Kit, Master Overhaul, 26 Spline, Dana 30, Kit

Part Number: YGA-14017

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hays Heavy-Duty 153-Tooth Flexplate 10-012

Flexplate, Performance, Neutral Balance,153 Tooth, Chevy, V8, Each

Part Number: HAY-10-012

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Shiftworks Shifter Conversion Kits for 1977-1982 CORVETTE - SC2403

Shifter Conversion Kit, Chevy, Kit

Part Number: SIW-SC2403

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

ARP Bellhousing Bolt Kits 154-0901

Bellhousing Bolts, Hex, 7/16-14 in. Thread, Steel, Black Oxide, Ford, 289, 302, 351W, Kit

Part Number: ARP-154-0901

3.6 out of 5 stars ( 25 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Richmond Gear Ring and Pinion Sets 69-0167-1 GM 8.5/8.6 in. 4.56 Gears

Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901671

2.67 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Summit Racing™ Clutch, Flywheel, and Mounting Hardware Pro Packs 13-0010

Combo, RAM, Clutch Kit, 10.5 in., 26 Spline, Flywheel, Hydraulic Throwout Bearing, Ford, Kit

Part Number: CMB-13-0010

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

B&M Holeshot 2,800-3,200 Stall Torque Converter 20413

Torque Converter, Holeshot, 2,800-3,200 rpm Stall Range, Chevy, THM350/THM400, Each

Part Number: BMM-20413

3.67 out of 5 stars ( 6 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

USA Standard Gear Master Overhaul Kits ZK D60-F

USA Standard Master Overhaul kit Dana 60, Front, Kit

Part Number: SPZ-37020

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Centerforce I Pressure Plates for 1975-1987 LAND CRUISER - CF165473S

Pressure Plate, Centerforce I, Diaphragm, 11 in. Disc Diameter, Toyota, Each

Part Number: CTF-CF165473S

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Lokar Hi-Tech Flexible Braided Stainless Transmission Dipsticks TD-3700FM36

Transmission Dipstick, Braided Stainless Steel, Natural, Firewall Mount, 36 in. Length, 700R4, Each

Part Number: LOK-TD3700FM36

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Yukon Gear & Axle Ring Gear Bolts YSPBLT-014

Ring Gear Bolt, Hex Head, Steel, Natural, 7/16-20 in. Thread, 1.250 in. UHL, Ford 8 in., Ford 9 in., Each

Part Number: YGA-33044

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Motive Gear Differential Carrier Shim Kits SS12

Differential Shims, Carrier Type, 2.25 in. I.D., 3.00 in. O.D., Steel, Dodge, Ford, GM, Hummer, Isuzu, Jeep, Lincoln, Mazda, Mercury, Saab, Kit

Part Number: MGR-SS12

4.0 out of 5 stars ( 15 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

TCI Transmission Pans 378010

Automatic Transmission Pan, Stock, Aluminum, Polished, GM, 700R4, 4L60E, Kit

Part Number: TCI-378010

4.43 out of 5 stars ( 14 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Motive Gear Performance Ring and Pinion Sets F890430 Ford 9 in. 4.30 Gears

Gear, Ring and Pinion, 4.30:1 Ratio, Ford, 9 in., Set

Part Number: MGR-F890430

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Yukon Gear & Axle Ring and Pinion Sets YG D44-411 Dana 44 4.11 Gears

Gear, Ring and Pinion, 4.11:1 Ratio, 1.375 in. Pinion, 26 Spline, 8.500 in. Ring Gear, Dana 44, Set

Part Number: YGA-24033

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Summit Racing™ Street-Strip Performance Clutch Kits SUM-700922

Clutch Kit, Street-Strip Performance, 1 in. Shaft, 23-Spline, 10.5 in. Organic/Ceramic Disc,Mopar, Kit

Part Number: SUM-700922

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Moroso Roller Pilot Bearings 41100

Pilot Bearing, Steel, Roller Type, Chevy, Each

Part Number: MOR-41100

5.0 out of 5 stars ( 18 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Perfection OE Replacement 130-Tooth Flywheel 50-3409

Flywheels, OE Replacement, Ductile Iron, 130-tooth, 32 lbs., Dodge, Each

Part Number: PFT-50-3409

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026