1981 CHEVROLET K20 Transmission & Drivetrain

Ring and Pinion Gears, EXCel, 4.10:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: RMG-GM85410

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Today

• Free Shipping

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

Part Number: BMM-20402

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Today

• Free Shipping

Flexplate, Gold Series, 168-Tooth, Internal Engine Balance, 2-Piece Rear Main Seal, SFI 29.1, TH350, TH400, TH700-R4, Chevy, Small Block, GM V6, Each

Part Number: PQX-1835001

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Gear, Ring and Pinion, EXCel, 3.73:1 Ratio, GM, 8.875 in., 12-Bolt Truck, Set

Part Number: RMG-12BT373

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Gears, 3.42:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-342A

4.5 out of 5 stars ( 16 )

Estimated Ship Date: Today

• Free Shipping

Driveshaft Pinion Yoke; Competition Yoke; 30 Spline; 1310 Series; Cast; Strap

Part Number: MGR-MG1310-1210

4.8 out of 5 stars ( 20 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Installation Kit, GM 8.875 in., Truck 12-Bolt, 30-Spline Pinion, Kit

Part Number: RMG-8310181

3.64 out of 5 stars ( 14 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 3.42:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set

Part Number: YGA-24157

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• Free Shipping

Clutch Kit, 1.125 in. - 10-spline, Organic Disc, Pressure Plate, Chevy, GMC, Kit

Part Number: LUK-04-902

4.88 out of 5 stars ( 16 )

Estimated Ship Date: Today

• Free Shipping

Transmission Dipstick, Braided Stainless Steel Housing, Black Handle, GM, TH350, TH400, Each

Part Number: LOK-XTD3350400FM

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Positraction, Nodular Iron, GM 8.5 in., 28 Spline, 2.73 Up Ratio, Each

Part Number: SUM-730966

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

• Free Shipping

Flywheel, Nodular Iron, 168-Tooth, Internal Engine Balance, Chevy, V8, Each

Part Number: MCL-450130

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping

Gear, Ring and Pinion, 4.10:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-6901651

4.6 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping

Clutch Kit, 11 in. Organic Disc, 10-spline, 1.125 in. Input, Pressure Plate, Buick, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: LUK-04-049

4.81 out of 5 stars ( 16 )

Estimated Ship Date: Today

• Free Shipping

Locking Hubs, Manual, Standard, Aluminum, Chrome, Polished Dial, Chevy, Dodge, Ford, International, Jeep, Pair

Part Number: WRN-9790

4.66 out of 5 stars ( 29 )

Estimated Ship Date: Today

• Free Shipping

Ring and Pinion Installation Kit, Rear, GM 8.5 in., 10-Bolt, GM, Kit

Part Number: ETN-K-GM8-5SR

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• Free Shipping

Differential Carrier, Air Locker, Nodular Iron, Dana 60-HD, Kit

Part Number: ARB-RD166

Not Yet Reviewed

Estimated Ship Date: Today

• Free Shipping

Automatic Transmission Rebuild Kit, Master Racing, GM, TH400, Kit

Part Number: BMM-21041

4.2 out of 5 stars ( 10 )

Estimated Ship Date: Today

• Free Shipping

Manual Shifter, Indy 3-Speed, GMC/Chevy/Ford, Truck, Each

Part Number: HUU-5010016

4.89 out of 5 stars ( 18 )

Estimated Ship Date: Today

• Free Shipping

Flywheel, Steel, 153-Tooth, 28 lb., Internal/External Engine Balance, Chevy, L6, Big, Small Block V8, Each

Part Number: MCL-460300

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Today

• Free Shipping

Transmission Bracket, Steel, Natural, Chevy TH400/TH350/TH250/200-4R/700R4/TH350C, Kit

Part Number: BMM-35498

4.83 out of 5 stars ( 60 )

Estimated Ship Date: Today

Ring and Pinion Gears, 4.56:1 Ratio, 30-spline, Standard Rotation, GM 8.5 in., GM 8.6 in., Set

Part Number: MGR-GM10-456A

4.46 out of 5 stars ( 13 )

Estimated Ship Date: Today

• Free Shipping

Clutch Kit, Dual Friction, 1 1/8 in.-10-Spline, 11 in. Diameter Disc, Buick, Chevy, GMC, Pontiac, Kit

Part Number: CTF-DF735552

4.89 out of 5 stars ( 19 )

Estimated Ship Date: Today

• Free Shipping

Throwout Bearing, Buick, Chevy, GMC, Oldsmobile, Pontiac, L6, V6, V8, Each

Part Number: CTF-N1716

4.83 out of 5 stars ( 47 )

Estimated Ship Date: Today

Gear, Ring and Pinion, 3.42:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, 3 Series, Set

Part Number: RMG-4902781

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

• Free Shipping