Availability
1981 CHEVROLET K20 Parts and Accessories
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.73:1 Ratio, GM, 10.5 in., 14-Bolt, Set
Part Number: MGR-GM10-5-373
Estimated Ship Date: Today
Estimated Ship Date: Today
Starter High Torque Chevy Small Block Except 400 Staggered Pattern
Part Number: TCI-351000
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gears, 3.73:1 Ratio, 30-spline, Standard Ring Gear Rotation, GM 10.5 in. (14-bolt), Set
Part Number: YGA-24134
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternators and Generators, Slant Edge Alternator, GM 10SI Case, Liquid Black Finish, 12V, 100 amp, 1-wire Hook-up, V-Belt, GM, Small/Big Block, Each
Part Number: PRO-141-147
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Distributors, Flame-Thrower Street/Strip HEI with HEI III Modules, Magnetic, Vacuum and Mechanical, Male/HEI, Steel Gear, Black Cap, Chevy, V8, Each
Part Number: PNX-D71000
Estimated Ship Date: Today
Estimated Ship Date: Today
Valve Covers, Aluminum, Gray with Red and Blue Logo, Tall, Chevy, Small Block, Pair
Part Number: PRO-141-923
Estimated Ship Date: Today
Estimated Ship Date: Today
Shackle Flip Kit, 4.0 in. Lift, Chevy, GMC, Kit
Part Number: SLF-3030
Estimated Ship Date: Today
Estimated Ship Date: Today
Distributor, Ready To Run, Magnetic Pickup, Vacuum Advance, Fixed Collar, Chevy V8, Kit
Part Number: EDL-22750
Estimated Ship Date: Today
Estimated Ship Date: Today
Bumper, Surestep, Steel, Chrome, Chevy, GMC, Rear, Each
Part Number: FEY-21002
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.88:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set
Part Number: YGA-24162
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Starter, Ultra Torque, Mini, Standard Rotation, Gold Iridited, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each
Part Number: PWM-9439
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 3.23:1 Ratio, 1.625 in. Pinion, 30 Spline, 8.500 in. Ring Gear, GM 8.5/8.6 in., Set
Part Number: YGA-24493
Estimated Ship Date: Today
Estimated Ship Date: Today
Distributor, Plug and Play, Hall Effect, Mechanical, Vacuum Advance, Red Cap, Chevy, Big/Small Block, Each
Part Number: PNX-D100711
Estimated Ship Date: Mar 9, 2026 if ordered today
Estimated Ship Date: Mar 9, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
PerTronix Flame-Thrower Plug and Play Billet Distributors with Ignitor II® Module D100710
Estimated Ship Date: Today
Alternator; XS Volt; Hi Amp Alternator; CS144; 200 Amp; Black; Small Case
Part Number: PWM-578068
Estimated Ship Date: Today
Estimated Ship Date: Today
Alternator, Performance, Mini, High Amp, GM CS121 Case Style, 12 V, 120 Amps, Polished, V-Belt Pulley, Each
Part Number: TFF-7937APST
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Distributor, Flame-Thrower, Magnetic Pickup, Vacuum Advance, Red Cap, Chevy, Big/Small Block, Each
Part Number: PNX-D1001
Estimated Ship Date: Today
Estimated Ship Date: Today
Intake Manifold, Performer RPM, Dual Plane, Aluminum, Natural, Square Bore, Bolts, Chevy, Small Block, Kit
Part Number: EDL-2041
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
PLEAT, 1981-87 C/K DELUXE PLEAT VINYL/CLOTH TAN
Part Number: HCT-05-323
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Ring and Pinion Gear, 4.11:1 Ratio, GM, 8.5 in./8.6 in., Rear, Set
Part Number: SPZ-36216
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Spark Plug Wires, Ultra 40 Race, Assembled, Spiral Core, 8.65mm, Black, Chevy, GMC, Small Block, Set
Part Number: MOR-73824
Estimated Ship Date: Today
Estimated Ship Date: Today
Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 262/270, Lift .462/.469, Chevy Small Block
Part Number: CCA-K12-238-2
Estimated Ship Date: Today
Estimated Ship Date: Today
Gear, Ring and Pinion, 4.56:1 Ratio, GM, 8.5/8.6 in., 10-Bolt, Set
Part Number: MGR-GM10-456
Estimated Ship Date: Today
Estimated Ship Date: Today
Harmonic Balancer, PQx FluidGel, Internal Balance, Black, Chevy, Small Block, Each
Part Number: PQX-2535001
Estimated Ship Date: Today
Estimated Ship Date: Today
Toolbox, Red Label Series, Aluminum, Black Powdercoated, Locking, Chevy, Dodge, Ford, GMC, International, Jeep, Lincoln, for Nissan, Ram, Toyota, Each
Part Number: DZZ-DZ8170LTB
Estimated Ship Date: Today
Estimated Ship Date: Today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster