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

Cloyes Race Billet True Roller Timing Sets 9-3646BTX3-5

Cloyes Race Billet True Roller Timing Sets 9-3646BTX3-5

Timing Chain and Gear Set, -0.005 in. Length, Double Roller, Billet Steel Sprockets, Dart/GM, Rocket Block, SBC w/BBC Snout, Kit

Part Number: CLO-9-3646BTX3-5

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

Melling M-Select Class 1 Camshafts 22108

Camshaft, Hydraulic Flat Tappet, 260/280 Advertised Duration, .367/.398 in. Lift, Chevy, Small Block, Each

Part Number: MEL-22108

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

Hastings Premium Ductile Ring Sets 2M8542045

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

Part Number: HSN-2M8542045

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

Cloyes Race Billet True Roller Timing Sets 9-3600BWX3

Timing Set, Double Roller, Billet Steel Sprockets, Chevy, Set

Part Number: CLO-9-3600BWX3

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

Cloyes Street Billet True Roller Timing Sets 9-3600TX3-10

Timing Set

Part Number: CLO-9-3600TX3-10

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 5, 2026 if ordered today

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Estimated Ship Date: Mar 5, 2026 if ordered today

Cloyes Street Billet True Roller Timing Sets 9-3600TX3-5

Timing Set

Part Number: CLO-9-3600TX3-5

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

Cloyes Original Race True Roller Timing Sets 9-3146-10

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

Part Number: CLO-9-3146-10

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

Clevite AL-Series Main Bearings MS-909A-10

Main Bearings, AL-Series, 1/2 Groove, .010 in. Crankshaft Undersize, AL-5, Chevrolet, Small Block, Set of 5

Part Number: CLE-MS909A10

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M5523

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

Part Number: HSN-2M5523

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

Hastings Premium Ductile Ring Sets 2M5523065

Piston Rings, Premium Ductile Ring Sets, 0.065 in. Oversize, 4.065 in. Bore, Plasma-moly, 1/16 in., 1/16 in., 3/16 in. Thickness, V8, Set of 8

Part Number: HSN-2M5523065

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

Hastings Claimer Series Performance Piston Ring Sets CM5531040

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

Part Number: HSN-CM5531040

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

PRW Power Plus Nitro-Carb Steel Rocker Arms 6028316

Rocker Arms, Stud Mount, Non-Roller, Stamped Steel, Nitro Carb, 1.6 Ratio, Fits 3/8 in. Stud, Long Slot, Chevy, Small Block, Set of 16

Part Number: PQX-6028316

Not Yet Reviewed

Estimated Ship Date: Today

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Sealed Power MA Series Main Bearings 4124MA 40

Main Bearing Set;

Part Number: SLP-4124MA40

Not Yet Reviewed

Estimated Ship Date: Mar 10, 2026 if ordered today

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Estimated Ship Date: Mar 10, 2026 if ordered today

Dorman Harmonic Balancers 594-006

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

Part Number: RNB-594-006

2.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2C139040

Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139040

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

Hastings Premium Ductile Ring Sets 2C139020

Engine Piston Ring Set, 8-Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139020

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

ATP Graywerks Harmonic Balancers 102036

Harmonic Balancer, Internal Balance, Nodular Iron, Chevy/GMC, Small Block, Each

Part Number: ATP-102036

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 Steel Series Performance Ring Sets SM5587S035

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

Part Number: HSN-SM5587S035

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

Hastings Steel Series Performance Ring Sets SM8556S

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

Part Number: HSN-SM8556S

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

Hastings Steel Series Performance Ring Sets SM5587S

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

Part Number: HSN-SM5587S

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

Sealed Power Main Bearing Sets 4663M 60

Main Bearings, .060 in. Over Size, Tri Metal, 1/2 Groove, Chevrolet, Small Block, Set of 5

Part Number: SLP-4663M60

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mahle Original OE Replacement Pistons S224-3543.060

Single Piston

Part Number: MAH-S2243543060

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

PRW Pushrod Guideplates (PowerPlus+) 1135002

Guideplates, PowerPlus+, Raised, Steel, Black Oxide, 3/8 in. Pushrod Size, Chevrolet, Set of 8

Part Number: PQX-1135002

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

Hastings Premium Ductile Ring Sets 2M8571S005

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

Part Number: HSN-2M8571S005

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

PRW Power Timing Chain and Gear Sets 5099130

TIMING CHAIN, DBL ROLLER, CHEV SB V6 & V8, FORD SB V8, 58 Link

Part Number: PQX-5099130

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