1981 CHEVROLET K20 - In Stock Filter Options - Vendor In Stock Filter Options Parts & Accessories

Melling High-Volume Oil Pumps M-55HV

Melling High-Volume Oil Pumps M-55HV

Oil Pump, High-Volume, Standard Pressure, Chevy, Small Block/V6, Each

Part Number: MEL-M55HV

4.64 out of 5 stars ( 50 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ OE-Style SBC Harmonic Damper SUM-161350

Harmonic Balancer, OEM, Internal Balance, Nodular Iron, Natural, Chevy, Small Block, Each

Part Number: SUM-161350

4.63 out of 5 stars ( 182 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ True Roller Timing Sets SUM-G6600R-9

Timing Chain and Gears, True Roller, Double Roller, 3 Bolt, Steel Sprockets, Chevy, Set

Part Number: SUM-G6600R-9

4.88 out of 5 stars ( 34 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

King XP-Series Rod Bearings CR 807XPN

Rod Bearings, XP-Series, Tri-Metal, Standard Size, Narrowed, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807XPN

4.5 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Sealed Power Performance Piston Ring Sets E-251K 30

Piston Rings, Moly, 4.030 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251K30

4.4 out of 5 stars ( 47 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ OE-Style SBC Harmonic Damper SUM-161358

Harmonic Balancer, OEM, Internal Balance, Nodular Iron, Natural, Chevy, Small Block, Each

Part Number: SUM-161358

4.52 out of 5 stars ( 135 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Oil Filter Relocation Kits SUM-G4985-1

Oil Filter Relocation Kit, Single Filter, 96 in. Hose Length, Kit

Part Number: SUM-G4985-1

3.86 out of 5 stars ( 155 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Proform High Flow Mechanical Aluminum Water Pumps 67265

Water Pump, Mechanical, Long, High-Volume, Aluminum, Natural, Chevy, Small Block, Each

Part Number: PRO-67265

4.32 out of 5 stars ( 65 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Clevite H-Series Main Bearings MS-909H

Main Bearings, H Series, 1/2 Groove, Standard Size, Tri Metal, Chevy, Small Block, Set of 5

Part Number: CLE-MS909H

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Cometic MLS Head Gaskets C5245-040

Head Gasket, MLS, 4.060 in. Bore, .040 in. Compressed Thickness, Chevy, Each

Part Number: CGT-C5245-040

4.63 out of 5 stars ( 19 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

ACCEL Performance Spark Plugs 8199

Spark Plugs, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Set of 8

Part Number: ACC-8199

4.82 out of 5 stars ( 90 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Direct-Fit High/Low 4X6 Inch LED Headlight Assembly SUM-RP22696

Headlight Assembly, Sealed LED, High/Low Beam, 4 x 6, Fluted Glass Lens, Rectangular, Each

Part Number: SUM-RP22696

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Classic OEM Heater Cores SUM-382177

Heater Core, Copper/Brass, Replacement, Chevy, GMC, SUV, Pickup, With Air Conditioning, Each

Part Number: SUM-382177

4.68 out of 5 stars ( 62 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Cometic MLS Head Gaskets C5248-040

Head Gasket, MLS, 4.165 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5248-040

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Cloyes Street Billet True Roller Timing Sets 9-3500TX9

Timing Chain and Gear Set, Billet, Double Roller, Billet Steel Sprockets, Chevy, V6/V8, Set

Part Number: CLO-9-3500TX9

4.81 out of 5 stars ( 32 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Vision HD 84 D Window Series Black Wheels 16x8

Wheel, 84 D Window, Steel, Gloss Black, 16 x 8 in., 4.25 in. Backspace, Each

Part Number: VSW-84H6881NS

3.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Energy Suspension Transmission Mounts 3.1106G

Bushing, Transmission Mount, Zinc Finish, Black, Chevy, GMC, Set

Part Number: ENS-3-1106G

5.0 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

King HP-Series Rod Bearings CR 807HPN

Rod Bearings, HP-Series, Standard Size, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Proform Stamped Steel Chevrolet Valve Covers 141-750

Valve Covers, Stock Height, 1.22 in. Dia. Holes, with 0.75 in. I.D./1 in. I.D. Grommets, Steel, Black Wrinkle, Chevrolet Logo, Chevy, Small Block,Pair

Part Number: PRO-141-750

4.95 out of 5 stars ( 42 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Energy Suspension Transmission Mounts 3.1158G

Bushing, Transmission Mount, Gold Iridited, Black, Softer Polyurethane, Chevy, Pontiac, Each

Part Number: ENS-3-1158G

4.74 out of 5 stars ( 34 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Cometic MLS Head Gaskets C5399-040

Head Gasket, 4.030 in. Bore, .040 in. Compressed Thickness, Chevy, Small Block, Each

Part Number: CGT-C5399-040

4.13 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Flex-A-Lite Wide Blade Flex Fans 105496

Fan, Flex-Type, Wide Blade, Clockwise, 19.312 in. Diameter, Stainless Steel Blades/Steel Hub, Universal, Each

Part Number: FLX-105496

4.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Summit Racing™ Cast Iron Water Pumps SUM-312449-1

Water Pump, Mechanical, High-Volume, Iron, Natural, Chevy, Small Block, Long, Each

Part Number: SUM-312449-1

4.11 out of 5 stars ( 18 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

Sealed Power Main Bearing Sets 4663M

Main Bearings, Standard Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

MSD Iron Distributor Gears 8531

Distributor Gear, Melonized, 0.500 in. Diameter Shaft, Chevy, Small Block, Big Block, V6, Each

Part Number: MSD-8531

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 1/5/2026

...Loading

Estimated Ship Date: Monday 1/5/2026

1981 CHEVROLET K20 Parts and Accessories