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

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

Hastings Claimer Series Performance Piston Ring Sets CM5532S060

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

Part Number: HSN-CM5532S060

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

Continental OE Technology Series V-belts 15382

Belt, Elite, V-Belt, 7/16 in. Width, 37.50 in. Length, Each

Part Number: CEL-15382

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

King SI-Series Rod Bearings CR 865SI 040

Rod Bearings, .040 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI040

Not Yet Reviewed

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

Melling Performance PRO-Line Pushrods 500674

Melling Performance PRO-Line Pushrods 500674

Pushrod, Chromoly, 3/8 in. Diameter, 7.894 in. Length, Ball Ends, Each

Part Number: MEL-500674

Not Yet Reviewed

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PRW Pushrod Guideplates (PowerPlus+) 1135001-01

Guideplates, PowerPlus+, Flat, Steel, Black Oxide, 5/16 in. Pushrod Size, Chevrolet, Each

Part Number: PQX-1135001-01

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

PRW Pro Series Billet Aluminum Rocker Arms 6532709

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1955-86, 1.5 x 7/16"

Part Number: PQX-6532709

Not Yet Reviewed

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PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350316

Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350316

Not Yet Reviewed

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PRW Power Plus Nitro-Carb Steel Rocker Arms 6028315

ROCKER ARMS, STAMPED STEEL, CHEV 265-400, 1955-86, 1.5 x 3/8", Long Slot, Nitro-Carburized

Part Number: PQX-6028315

Not Yet Reviewed

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Clevite AL-Series Main Bearings MS-909A-20

Main Bearings, AL-Series, 1/2 Groove, .020 in. Crankshaft Undersize, AL-5, Chevrolet, Small Block, Set of 5

Part Number: CLE-MS909A20

Not Yet Reviewed

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Sealed Power A-Series Rod Bearings 2555A 1

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

Part Number: SLP-2555A1

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2C139S070

Engine Piston Ring Set, Single Cyl Ring Set; Triple Chrome

Part Number: HSN-2C139S070

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M5538S060

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

Part Number: HSN-2M5538S060

Not Yet Reviewed

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Mahle Original Premium Piston Ring Sets S40564CP.030

PERFECT CIRCLE SET

Part Number: MAH-S40564CP030

Not Yet Reviewed

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Hastings Premium Ductile Ring Sets 2M5538075

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

Part Number: HSN-2M5538075

Not Yet Reviewed

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Sealed Power A-Series Rod Bearings 8-2555A 30

Rod Bearings, 0.030 in. Crankshaft Undersize, Bi Metal, AM General, Avanti, Checker, Chevy, Pontiac, Hummer, V8, Set of 8

Part Number: SLP-8-2555A30

Not Yet Reviewed

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Summit Racing™ Diecast Aluminum Oil Pans SUM-G3527CPR

Oil Pan, Cast Aluminum, Finned, Copper Plated, 5-Quart, Rear Sump, Passenger Dipstick, Chevy, Small Block, Each

Part Number: SUM-G3527CPR

Not Yet Reviewed

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Clevite P-Series Main Bearings MS-617P-40

MAIN BEARING SET

Part Number: CLE-MS617P40

Not Yet Reviewed

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Engine Works Cam Bearing Sets SH-290S

Cam Bearings, Steel Backed Babbitt, Chevy, Small Block, Kit

Part Number: EW1-SH-290S

Not Yet Reviewed

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Pioneer Automotive Engine Expansion Plugs PE-104-BR

BR EXP PLUG KIT

Part Number: PIO-PE-104-BR

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Mar 9, 2026 if ordered today

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Estimated Ship Date: Mar 9, 2026 if ordered today

King HP-Series Main Bearings MB 557HP010X

Main Bearings, HP-Series, Silicon Aluminum, 0.010 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP010X

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 19, 2026 if ordered today

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Estimated Ship Date: May 19, 2026 if ordered today

COMP Cams Xtreme Fuel Injection Retrofit Cam and Lifter Kits SK12-467-8

Cam/Lifters/Timing, Hydraulic Roller Tappet, Adv. Duration 280/288, Lift .576/.570, Chevy, Small Block, Kit

Part Number: CCA-SK12-467-8

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5538

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

Part Number: HSN-2M5538

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