1981 CHEVROLET K20 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

Hamburger's Performance Oil Filter Bypass Adapters 3328

Hamburger's Performance Oil Filter Bypass Adapters 3328

Oil Filter Bypass Adapter, Aluminum, Clear, Anodized, Chevy, V-8, Each

Part Number: HAM-3328

4.0 out of 5 stars ( 2 )

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King XP-Series Main Bearings MB 557XP 001

Main Bearing, XP-Series, Copper/Lead/Nickel, 0.001 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557XP001

1.0 out of 5 stars ( 1 )

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Fel-Pro Harmonic Balancer Repair Sleeves 16202

Harmonic Balancer Repair Sleeves, Steel, Chevrolet, Pontiac, L4, L6, V6, V8, Each

Part Number: FEL-16202

4.91 out of 5 stars ( 23 )

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Mr. Gasket Self-Locking Oil Pan Bolt Kits 6085MRG

Oil Pan Bolts, Zinc Plated Steel, Hex Head, Chevy, Oldsmobile, Small Block/V8, Kit

Part Number: MRG-6085MRG

5.0 out of 5 stars ( 2 )

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Mr. Gasket Oil Filter Adapter Kits 1272

Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, 13/16-16 in. Thread, Each

Part Number: MRG-1272

3.33 out of 5 stars ( 6 )

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COMP Cams Xtreme Energy Camshafts 12-254-3

Camshaft, Hydraulic Flat Tappet, Advertised Duration 294/306, Lift .519/.523, Chevy, Small Block, Each

Part Number: CCA-12-254-3

5.0 out of 5 stars ( 1 )

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PRW Sportsman Steel Roller Tip Rocker Arms 68350315

Rocker Arms, Sportsman Series, Stud Mount, Roller Tip, 1.5 Ratio, Fits 3/8 in. Stud, With Oil Deflector, Chevy, Small Block, Set of 16

Part Number: PQX-68350315

Not Yet Reviewed

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Powermaster Alternator Brackets 886

Alternator Bracket, Billet Aluminum, Polished, Buick, Chevy, Oldsmobile, Pontiac, Kit

Part Number: PWM-886

5.0 out of 5 stars ( 1 )

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Mr. Gasket Crankshaft Keys 988G

Crankshaft Key, Short, 4 Degree Offset, Chevy, Ford, Pontiac, Chrysler, Each

Part Number: MRG-988G

4.6 out of 5 stars ( 5 )

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Proform GM Licensed Diecast Aluminum Chevrolet Valve Covers 141-121

Valve Covers, Tall, Die-Cast Aluminum, Carbon Fiber Finish, Bowtie Emblem, Chevy, Small Block, Pair

Part Number: PRO-141-121

5.0 out of 5 stars ( 1 )

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Mr. Gasket Oil Pan Studs 6315

Oil Pan Studs, Small Block, Chevy, Oldsmobile, V8, Kit

Part Number: MRG-6315

4.8 out of 5 stars ( 5 )

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Earl's Performance Cylinder Head Bolt Kits HBS-003ERL

Cylinder Head Fasteners, Cylinder Head Bolt Kits, Hex Head, Chromoly, Black Oxide, 7/16-14 in. Thread Size, Washers, Chevrolet, Small Block, Kit

Part Number: EAR-HBS-003ERL

5.0 out of 5 stars ( 1 )

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PRW Sportsman Steel Roller Tip Rocker Arms 0835021

Rocker Arms, Sportsman Steel Roller Tip, Stud Mount, Chromoly Steel, Natural, 1.6 Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-0835021

Not Yet Reviewed

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Edelbrock E-Tec Cylinder Heads 60989

Cylinder Head, E-Tec, Aluminum, Assembled, 64cc Chamber, 200cc Intake Runner, Chevy, 302, 327, 350, 400, Each

Part Number: EDL-60989

5.0 out of 5 stars ( 2 )

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PRW Billet Steel Main Caps 1735003

Main Caps, Billet Steel, 4-Bolt, Straight, Chevy, Small Block, Set of 3

Part Number: PQX-1735003

Not Yet Reviewed

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Clevite Camshaft Bearings SH-1796S

Cam Bearings, High Performance/Race, AL-3 Steel Backed Aluminum, Chevy, Small Block, Large Journal, Align Bored

Part Number: CLE-SH1796S

4.75 out of 5 stars ( 4 )

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Mr. Gasket Chrome Water Pump Pulleys 4962

Pulleys, Chrome, Chevy Small Block, Single Upper Groove Double Lower, Long Water Pump, Set

Part Number: MRG-4962

Not Yet Reviewed

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Mr. Gasket Chrome Valve Covers 9800

Valve Covers, Stock Height, Steel, Chrome, Plain, Chevy, Small Block, Pair

Part Number: MRG-9800

4.0 out of 5 stars ( 2 )

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Mr. Gasket Freeze Plug Kits 6481

Freeze Plug, Brass, Small Block, Chevy, Kit

Part Number: MRG-6481

Not Yet Reviewed

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Sealed Power Performance Piston Ring Sets E-251KC 40

Piston Rings, Chrome, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: SLP-E-251KC40

Not Yet Reviewed

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Melling Rocker Arms 498404

Rocker Arm, Stud Mount, High-Performance, Non-Roller, 1.5 Ratio, Fits 3/8 in. Stud, Hardened Steel, Black Oxide, Chevy, Small Block Gen I, Each

Part Number: MEL-498404

5.0 out of 5 stars ( 1 )

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Hastings Piston Ring Sets 2M139080

Piston Rings, Plasma-moly, 4.080 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139080

Not Yet Reviewed

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Chevrolet Performance Oil Pumps 14044872

Oil Pump, High-Volume, Chevy, Small Block, Each

Part Number: NAL-14044872

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Apr 29, 2026 if ordered today

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Estimated Ship Date: Apr 29, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ SBC Oil Pump SUM-121155

4.75 out of 5 stars ( 66 )

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Dorman Expansion Plugs 555-028

Engine Expansion Plug, Steel, AMC, Buick, Cadillac, Chevy, Ford, GMC, Jeep, Mercury, Oldsmobile, Set of 10

Part Number: RNB-555-028

4.5 out of 5 stars ( 2 )

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PRW Sportsman Steel Roller Tip Rocker Arms 68350316

Rocker Arms, Sportsman Series, Stud Mount, Roller Tip, 1.6 Ratio, Fits 3/8 in. Stud, With Oil Deflector, Chevy, Small Block, Set of 16

Part Number: PQX-68350316

Not Yet Reviewed

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