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

Milodon Oil Filter Adapters 21565

Milodon Oil Filter Adapters 21565

Adapter, Oil Filter Bypass, Bolt-On, Chevy, Aluminum, Natural, 1/2 in. NPT Inlet/Outlet, Each

Part Number: MIL-21565

3.6 out of 5 stars ( 5 )

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Hastings Premium Ductile Ring Sets 2M139S040

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M139S040

Not Yet Reviewed

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Cloyes Replacement Timing Chains 9-131-10

Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.010 in. Reduced Center, Each

Part Number: CLO-9-131-10

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

COMP Cams Xtreme Turbo Camshafts 12-253-4

Camshaft, Hydraulic Flat Tappet, Advertised Duration 262/269, Lift .462/.455, Chevy, Small Block, Each

Part Number: CCA-12-253-4

Not Yet Reviewed

Estimated Ship Date: Apr 14, 2026 if ordered today

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Estimated Ship Date: Apr 14, 2026 if ordered today

Moroso Street/Strip Oil Pans 20165

Oil Pan, 7 qt., Chevy, Small Block, Steel, Black Powdercoated, Each

Part Number: MOR-20165

Not Yet Reviewed

Estimated Ship Date: Mar 18, 2026 if ordered today

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Estimated Ship Date: Mar 18, 2026 if ordered today

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Moroso Street/Strip Oil Pans 20171

4 out of 5 stars ( 10 )

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Dorman Oil Pan Drain Plugs 65147

Oil Pan Drain Plug, 1/2-20 in. Thread Size, Seal, Buick, Cadillac, Chevy, GMC, Chrysler, Dodge, Plymouth, Jeep, Each

Part Number: RNB-65147

5.0 out of 5 stars ( 2 )

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Mahle Original OE Replacement Pistons S224-3543.030

Single Piston

Part Number: MAH-S2243543030

Not Yet Reviewed

Estimated Ship Date: Mar 25, 2026 if ordered today

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Estimated Ship Date: Mar 25, 2026 if ordered today

Hastings Steel Series Performance Ring Sets SM8556035

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-SM8556035

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Mahle Original Lifters 213-1638

Hydraulic Valve Lifter - GMC Pass & Truck 2.0L, 140, 145, 153, 164, 194, 229, 230, 250, 260(4.3L), 2

Part Number: MAH-2131638

Not Yet Reviewed

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Hastings Claimer Series Performance Piston Ring Sets CM5532S030

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-CM5532S030

Not Yet Reviewed

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Continental OE Technology Series V-belts 15591

Belt, Elite, V-Belt, 7/16 in. Width, 58.50 in. Length, Each

Part Number: CEL-15591

Not Yet Reviewed

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WIX Filters Crankcase Breather Elements 42995

Crankcase Breather Element, Buick, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: WIX-42995

5.0 out of 5 stars ( 3 )

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Cloyes Original Race True Roller Timing Sets 9-3100-10

Timing Chain and Gear Set, Original True Roller, Double Roller, -0.010 in., Iron/Steel Sprockets, Chevy, Small Block, Set

Part Number: CLO-9-3100-10

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Sealed Power CP-Series Rod Bearings 2555CP 1

Rod Bearing, 0.001 in. Crankshaft Undersize, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555CP1

5.0 out of 5 stars ( 2 )

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Proform Guideplates 66880

Guideplates, Flat, Hardened, 5/16 in. Pushrod Size, Chevy, Small Block, Set of 8

Part Number: PRO-66880

5.0 out of 5 stars ( 1 )

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Cloyes Replacement Timing Chains C163

Timing Chain, Replacement Chain Only, Heavy Duty Double Roller, Chevy 265-400, For Factory Flat Tappet, Each

Part Number: CLO-C163

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8571

Engine Piston Ring Set, 8-Cyl Ring Set; Plasma Moly

Part Number: HSN-2M8571

Not Yet Reviewed

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

Dorman Oil Pan Drain Plugs 090-052CD

Oil Drain Pan Plugs, Plug, Thread Size 1/2-20 in. UNC, Each

Part Number: RNB-090-052CD

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Cloyes Original Race True Roller Timing Sets 9-3146

Timing Chain and Gear Set, Original True Roller, Double Roller, Iron/Steel Sprockets, Dart/Chevy, 350, 5.7L, Set

Part Number: CLO-9-3146

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

PRW Fabricated Valve Covers 4035047

Valve Covers, Tall, Perimeter Bolt Mounting, Fabricated Aluminum, Polished, Oil Stacks, Chevy, Small Block, Pair

Part Number: PQX-4035047

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today

ACDelco V-Ribbed Accessory Belts 88934360

Accessory Belts, V-Ribbed, V-groove, 0.410 in. Width, 56.08 in. Length, Cadillac, Chevy, Chrysler, Dodge, GMC, International, Plymouth, Pontiac, Each

Part Number: ADO-15555

Not Yet Reviewed

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Cloyes Race Billet True Roller Timing Sets 9-3600WX3

Timing Chain and Gears, Double Roller, Billet Steel Sprockets, Chevy, Set

Part Number: CLO-9-3600WX3

Not Yet Reviewed

Estimated Ship Date: Mar 6, 2026 if ordered today

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Estimated Ship Date: Mar 6, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M139S030

Engine Piston Ring Set, Single Cyl Ring Set; Plasma Moly

Part Number: HSN-2M139S030

Not Yet Reviewed

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Sealed Power Oil Pump Driveshaft Locking Sleeves 224-43343

Oil Pump Shaft Guide, Nylon, Chevy, V6/V8, Each

Part Number: SLP-224-43343

5.0 out of 5 stars ( 2 )

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PRW Pedestal-Shaft Rocker Arms 3535037

Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.60 Ratio, Brodix Track 1 Heads, Kit

Part Number: PQX-3535037

Not Yet Reviewed

Estimated Ship Date: Apr 24, 2026 if ordered today

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Estimated Ship Date: Apr 24, 2026 if ordered today