1981 GMC K1500 Engines & Components - In Stock Filter Options - Vendor In Stock Filter Options

COMP Cams Oval Track Camshafts 12-657-5

COMP Cams Oval Track Camshafts 12-657-5

Camshaft, Mechanical Flat Tappet, Advertised Duration 286/296, Lift .549/.543, Chevy, Small Block, Each

Part Number: CCA-12-657-5

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

COMP Cams Xtreme Energy Camshafts 12-662-47

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

Part Number: CCA-12-662-47

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

COMP Cams High Energy Cam and Lifter Kits SK12-300-4

Cam/Lifters/Timing, Hydraulic Flat Tappet, Advertised Duration 240/248, Lift .390/.390, Chevy, Small Block

Part Number: CCA-SK12-300-4

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

COMP Cams Xtreme Energy Retrofit Cam and Lifter Kits SK12-444-8

Cam/Lifters/Timing, Hydraulic Roller Tappet, Adv. Duration 300/306, Lift .562/.580, Chevy, Small Block, Kit

Part Number: CCA-SK12-444-8

Not Yet Reviewed

Estimated Ship Date: Apr 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 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 28, 2026 if ordered today

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Estimated Ship Date: Apr 28, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8571045

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

Part Number: HSN-2M8571045

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 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: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

VEGE Remanufactured Long Block Crate Engines DC05

Crate Engine, Remanufactured, Long Block, Assembled, Avanti, Buick, Checker, Chevrolet, Excalibur, GMC, Oldsmobile, Pontiac, 5.0L/305, Each

Part Number: VRE-DC05

Not Yet Reviewed

Estimated Ship Date: Apr 16, 2026 if ordered today

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Estimated Ship Date: Apr 16, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-1658

Piston - GMC Pass. & Trk. 250 Eng. (1966-84)

Part Number: MAH-2241658

Not Yet Reviewed

Estimated Ship Date: Apr 6, 2026 if ordered today

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Estimated Ship Date: Apr 6, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8542005

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

Part Number: HSN-2M8542005

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M8542065

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

Part Number: HSN-2M8542065

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Mahle Original OE Replacement Pistons S224-3543.040

Single Piston

Part Number: MAH-S2243543040

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Mahle Original OE Replacement Pistons 224-3547WR.030

Piston With Rings - GM 5.7L (350) V8 FLT CT (030) W/PR MOLY

Part Number: MAH-2243547WR030

Not Yet Reviewed

Estimated Ship Date: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

King Engine Bearings Rod Bearings CR 624SI 030

Connecting rod bearing

Part Number: KGB-CR624SI030

Not Yet Reviewed

Estimated Ship Date: Jun 1, 2026 if ordered today

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Estimated Ship Date: Jun 1, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5505010

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

Part Number: HSN-2M5505010

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5505030

Piston Rings, Premium Ductile Ring Sets, Plasma-moly, 4.030 in. Bore, 1/16 in., 1/16 in., 3/16 in. Thickness, L8, V8, Set of 8

Part Number: HSN-2M5505030

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5523010

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

Part Number: HSN-2M5523010

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Hastings Premium Ductile Ring Sets 2M5523S010

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

Part Number: HSN-2M5523S010

Not Yet Reviewed

Estimated Ship Date: Mar 20, 2026 if ordered today

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Estimated Ship Date: Mar 20, 2026 if ordered today

Sealed Power MA Series Main Bearings 4663MA 60

Main Bearing Set;

Part Number: SLP-4663MA60

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Melling M-Select Class 1 Camshafts 22109

Camshaft, Hydraulic Flat Tappet, Advertised Duration 270/278, Lift .398/.421, Chevy, Small Block, Each

Part Number: MEL-22109

Not Yet Reviewed

Estimated Ship Date: Mar 30, 2026 if ordered today

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Estimated Ship Date: Mar 30, 2026 if ordered today

Pioneer Performance Freeze Plugs PE-100-R

Freeze Plugs, Steel, Chevy, 267, 283, 302, 305, 307, 327, 350, Kit

Part Number: PIO-PE100R

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Mar 24, 2026 if ordered today

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Estimated Ship Date: Mar 24, 2026 if ordered today

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Summit Racing™ Freeze Plugs SUM-G1581

4.75 out of 5 stars ( 50 )

Estimated Ship Date: Today

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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 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Pioneer Automotive Harmonic Balancers DA-3051

HARMONIC BALANCER

Part Number: PIO-DA-3051

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Pioneer Balancers DA-3504

Harmonic Balancer, Internal Balance, 7.990 in. Diameter, Nodular Iron, Chevy/GMC/Pontiac, Small Block, Each

Part Number: PIO-DA-3504

Not Yet Reviewed

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today

Pioneer Street Performance Balancers 872003

Harmonic Balancer, Street Performance, Internal Balance, Nodular Iron, Black, Chevy, Small Block, 4.3L V6

Part Number: PIO-872003

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Mar 23, 2026 if ordered today

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Estimated Ship Date: Mar 23, 2026 if ordered today