Availability
1981 CHEVROLET K20 Parts and Accessories
Torque Converters, Twister Full Race, 4,200-4,500 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D42F
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Power Cooling Modules, Exact Fit, Aluminum, Natural, Chevy, GMC, SUV, Pickup, Kit
Part Number: BCI-82013
Estimated Ship Date: Mar 25, 2026 if ordered today
Estimated Ship Date: Mar 25, 2026 if ordered today
Differential, Eaton Detroit Locker, 33-Spline, GM, 9.5 in., 14-Bolt, Each
Part Number: ETN-225C135A
Estimated Ship Date: Today
Estimated Ship Date: Today
Gauge Kits, Direct Fit Analog, Chevy/GMC Truck Package Gauge Sets, Velocity, Speedometer, Tach, Water Temperature, White Face, Chevrolet, GMC, Kit
Part Number: CIN-CT73VSW
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Street 650 Clutch Conversion, Performance, Single Disc, 1.125 in. - 10-spline, 11.000 in. Sintered Metallic Disc Diameter, Chevy, Jeep
Part Number: HAY-92-1004
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Lift Kit-Suspension
Part Number: TFY-14725K
Not Yet Reviewed
Estimated Ship Date: Tomorrow if ordered today
Estimated Ship Date: Tomorrow if ordered today
TOOL BOX - SPECIALTY TANK BLAC
Part Number: DZZ-DZ92740XB
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Exhaust Systems, Crossmember Back, X-Pipe, Turbo Pro Muffler, Slit Rear Exit, 409 Stainless Steel, Natural, Chevy, GMC, Kit
Part Number: PYE-SGT978VE
Not Yet Reviewed
Estimated Ship Date: Mar 27, 2026 if ordered today
Estimated Ship Date: Mar 27, 2026 if ordered today
Torque Converters, Twister Full Race, 3,600-4,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D36F
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Hydraulic Throwout Bearing Conversion Kits, Hydramax Hydraulic Clutch Release Systems, Blue Aluminum Slave Cylinder, Reservoir, Chevrolet, GMC, Kit
Part Number: AWR-HMGM40006
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Torque Converters, Twister Full Race, 2,800-3,200 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D28F
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Radiator, Exact Fit, Aluminum, Crossflow, 2-Row, Chevy, GMC, Kit
Part Number: GRI-6-70123
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Power Cooling Modules, Show & Go, Aluminum, Polished, Chevy, GMC, SUV/Van/Pickup, Kit
Part Number: BCI-81313
Not Yet Reviewed
Estimated Ship Date: Mar 26, 2026 if ordered today
Estimated Ship Date: Mar 26, 2026 if ordered today
Radiator 1973-1987 Chevrolet Truck LS 1.250" top right outlet 1.500" bottom right (REQUIRES BIG BLOCK MOUNTS)
Part Number: JRW-5-7387-9-3
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Clutch Kit, Street Twin Clutch, Two Discs, 1.125 in. - 26-spline, Ceramic Disc, Pressure Plate, Billet Aluminum Flywheel, Chevrolet, Kit
Part Number: MCL-6300307M
Not Yet Reviewed
Estimated Ship Date: Mar 20, 2026 if ordered today
Estimated Ship Date: Mar 20, 2026 if ordered today
Door Panels, Custom Sport, Full Door Coverage, Vinyl, Black with White Stitching, Front, Chevrolet, GMC, Pair
Part Number: HCT-QDP0087WHITE
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Toolbox, Platinum Series, Front of Truck Bed Location, Aluminum, Textured Black Powdercoated, Locking, Universal, Each
Part Number: DZZ-DZ93170TB
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit
Part Number: MGR-MGK-214
Not Yet Reviewed
Estimated Ship Date: Mar 10, 2026 if ordered today
Estimated Ship Date: Mar 10, 2026 if ordered today
Torque Converters, Twister Full Race, 3,200-3,600 rpm Stall Speed Range, 30-spline, 9.600 in. Diameter, Chevrolet THM400, Buick, Chevy, Jeep, Each
Part Number: HAY-97-1D32F
Not Yet Reviewed
Estimated Ship Date: Mar 12, 2026 if ordered today
Estimated Ship Date: Mar 12, 2026 if ordered today
Clutch Kit, Concept 10.5 Dual-Disc Clutch, 1.125 in. - 10-spline, Metallic Disc, Pressure Plate, Chevy, Small Block, Kit
Part Number: RAM-50-2120N
Not Yet Reviewed
Estimated Ship Date: Mar 3, 2026 if ordered today
Estimated Ship Date: Mar 3, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Bed and Ladder Racks, Thule Xsporter Pro, Truck Bed Rack, Adjustable Height, 450 lb. Capacity, Locking, Aluminum, Silver Powdercoat, Pair
Part Number: THU-500XT
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Clutch Kit, Street Twin, 1.125 in. - 26-spline, Organic Disc, Pressure Plate, Billet Steel Flywheel, Chevy, Kit
Part Number: MCL-6400307
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gauge Kit, Analog, Metric, Water Temperature, Voltage, Oil Pressure, Speedometer, Tachometer, Fuel Level, Kit
Part Number: CIN-CT73OE-M
Not Yet Reviewed
Estimated Ship Date: Mar 6, 2026 if ordered today
Estimated Ship Date: Mar 6, 2026 if ordered today
RING AND PINION
Part Number: MGR-MGK-211
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
Differential Ring and Pinion, Differential Ring and Pinon Front and Rear Complete Kit
Part Number: MGR-MGK-210
Not Yet Reviewed
Estimated Ship Date: Mar 11, 2026 if ordered today
Estimated Ship Date: Mar 11, 2026 if ordered today
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