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

Proform GM Licensed Chevy Engine Dress Up Kits 141-002

Engine Dress-Up Kit, Steel, Chrome, Chevy, Small Block, Kit

Part Number: PRO-141-002

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Dayco High Performance V-Belts 15525

Accessory Belts, V-Belts, V-groove, 0.440 in. Width, 52.50 in. Length, AMC, Buick, Chevy, Chrysler, Ford, GMC, International, Mercury, Each

Part Number: DAC-15525

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

PRW Pro Series Stainless Steel Rocker Arms 0235003

Rocker Arms, Pro Series, Stud Mount, Full Roller, Stainless Steel, Natural, 1.55 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-0235003

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 3, 2026 if ordered today

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Estimated Ship Date: Mar 3, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350316

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Cloyes Street Billet True Roller Timing Sets 9-3500WX9

Cloyes Street Billet True Roller Timing Sets 9-3500WX9

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

Part Number: CLO-9-3500WX9

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Mahle Original Aftermarket Replacement Pistons 224-3547

Piston - GM 5.7L (350) V8 FLATTOP (STD) W/P Coated aftermarket version

Part Number: MAH-2243547

Not Yet Reviewed

Estimated Ship Date: Feb 3, 2026 if ordered today

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Estimated Ship Date: Feb 3, 2026 if ordered today

Dorman Valve Cover Grommets 42062

Valve Cover Grommet, PCV Style, Rubber, 0.691 in. I.D., Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-42062

3.85 out of 5 stars ( 13 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Cloyes Race Billet True Roller Timing Sets 9-3600TX9-10

Timing Set; Original Billet True Roller Timing Set; 0.010 in Reduced Center Distance; Incl. Cam Sprocket; 9 Ke

Part Number: CLO-9-3600TX9-10

Not Yet Reviewed

Estimated Ship Date: Jan 12, 2026 if ordered today

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Estimated Ship Date: Jan 12, 2026 if ordered today

Dayco High Performance V-Belts 15555

Belt, High Performance, V-Belt, 55.50 in. Length, .440 in. Width, Each

Part Number: DAC-15555

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Standard Motor PCV Valve Cover Grommets GV9

Valve Cover Grommet, PCV, Rubber, Buick, Cadillac, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: SMP-GV9

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Sealed Power Oil Pump Pickups 224-1246

Oil Pickup, Press Fit, Stock Pan Style, 0.625 in. Tube Diameter, GM, Chevy, V6, V8, Small Block, Each

Part Number: SLP-224-1246

4.11 out of 5 stars ( 9 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Mr. Gasket Cylinder Head Dowel Pins 4375

Cylinder Head Dowels, .310 in. Outside Diameter, .562 in. Height, Chevy/Mopar, Pair

Part Number: MRG-4375

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

MSD Timing Pointers 8988

Billet Timing Pointer Small Block Chevy, Fits 6-1/4 in. Balancer, Each

Part Number: MSD-8988

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

COMP Cams Xtreme Energy Camshafts 12-230-2

Camshaft, Hydraulic Flat Tappet, Advertised Duration 250/260, Lift .432/.444, Chevy, Small Block, Each

Part Number: CCA-12-230-2

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

King SI-Series Main Bearings MB 557SI 040

Main Bearings, 1/2 Groove, .040 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SI040

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Perma-Cool Oil Filter Relocation Kits 10695

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

Part Number: PRM-10695

2.6 out of 5 stars ( 5 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

VEGE Remanufactured Long Block Crate Engines VC111P

Crate Engine, Remanufactured, Long Block, Buick, Checker, Chevrolet, GMC, Oldsmobile, Pontiac, 5.7L/350, Each

Part Number: VRE-VC111P

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Feb 9, 2026 if ordered today

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Estimated Ship Date: Feb 9, 2026 if ordered today

Cloyes Hex-A-Just Timing Sets 9-3146A

Timing Chain and Gear Set, Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, 350, 5.7L, Set

Part Number: CLO-9-3146A

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Proform Chrome Engine Oil Dipstick Kits 141-551

Dipstick with Tube, Engine, Steel, Chrome, Classic Hook Handle, Passenger Side, GM/Chevy, Small Block, Each

Part Number: PRO-141-551

2.33 out of 5 stars ( 3 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Cloyes Replacement Timing Chains 9-145

Replacement Timing Chain, Billet, StreetTrue Roller, Chevy/Ford, Small Block, Chain Only, Each

Part Number: CLO-9-145

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Cloyes Replacement Timing Chains C499

Timing Chain, Replacement, Single Roller, Steel, Cadillac, Chevy, Each

Part Number: CLO-C499

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Mr. Gasket Alternator Brackets 9850

Alternator Bracket, F-Style, Chrome Plated, Each

Part Number: MRG-9850

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Melling M-Select Class 2 Camshafts 22234

Camshaft, Hydraulic Flat Tappet, Advertised Duration 283/291, Lift .480/.486, Chevy, Small Block, Each

Part Number: MEL-22234

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Dayco High Performance V-Belts 15385

Belt, High Performance V-Belt, 38.50 in. Length, .440 in. Width, Each

Part Number: DAC-15385

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Mahle Original Standard Piston Ring Sets 50564CP.040

Piston Rings, Original Standard Piston Ring Sets, Cast Iron, 4.040 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, V8, Set

Part Number: MAH-50564CP040

Not Yet Reviewed

Estimated Ship Date: Friday 1/2/2026

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Estimated Ship Date: Friday 1/2/2026

Hastings Premium Ductile Ring Sets 2M8571030

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 1/8 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M8571030

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today