1981 GMC K1500 Engines & Components

COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits K12-243-3

COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits K12-243-3

Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 270/278, Lift .480/.498, Chevy, Small Block

Part Number: CCA-K12-243-3

3.0 out of 5 stars ( 2 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Cloyes Street Billet True Roller Timing Sets 9-3600BTX3-5

Timing Set

Part Number: CLO-9-3600BTX3-5

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 HP-Series Main Bearings MB 557HP 011

Main Bearings, HP-Series, Silicon Aluminum, 0.011 in. Crankshaft Undersize, Chevy, Small Block, Set of 5

Part Number: KGB-MB557HP011

Not Yet Reviewed

Estimated Ship Date: Jun 22, 2026 if ordered today

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Estimated Ship Date: Jun 22, 2026 if ordered today

Dorman Oil Pan Drain Plugs 65202

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

Part Number: RNB-65202

2.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Hastings Premium Ductile Ring Sets 2M5499

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

Part Number: HSN-2M5499

Not Yet Reviewed

Estimated Ship Date: Apr 9, 2026 if ordered today

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Estimated Ship Date: Apr 9, 2026 if ordered today

Fel-Pro Oil Pump Shaft Guides 72665

Oil Pump Driveshaft Locking Sleeves, Nylon, Buick, Chevrolet, Cadillac, GMC, Oldsmobile, Pontiac, Checker, Studebaker, V6/V8, Each

Part Number: FEL-72665

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

PRW Elite Series Stainless Steel Full Roller Rocker Arms 62350756

Rocker Arms, Elite Series, Stud Mount, Full Roller, Stainless Steel, 1.5/1.6 Split Ratio, Fits 7/16 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-62350756

Not Yet Reviewed

Estimated Ship Date: May 27, 2026 if ordered today

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Estimated Ship Date: May 27, 2026 if ordered today

Dorman Valve Cover Grommets 42052

Grommet, PCV, Valve Cover, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-42052

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Dorman Oil Pump Bushings 90460

Bushing, Oil Pump Nylon Shaft Guide, Chevy, Each

Part Number: RNB-90460

Not Yet Reviewed

Estimated Ship Date: Today

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Derale Remote Filter Mounts 15728

Ports-Up Filter Mount Kit (1/2" NPT)

Part Number: DER-15728

3.5 out of 5 stars ( 2 )

Estimated Ship Date: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Cloyes Race Billet True Roller Timing Sets 9-3646TX9

Timing Chain and Gear Set, Double Roller, Billet Sprockets, Chevy SBC, Race Blocks, Rocket, Set

Part Number: CLO-9-3646TX9

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

COMP Cams Xtreme Energy 4x4 Cam and Lifter Kits K12-231-2

Cam/Lifter, Valvetrain, Hydraulic Flat Tappet, Advertised Duration 250/258, Lift .432/.453, Chevy, Small Block

Part Number: CCA-K12-231-2

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow if ordered today

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Estimated Ship Date: Tomorrow 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: Apr 13, 2026 if ordered today

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Estimated Ship Date: Apr 13, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Freeze Plugs SUM-G1581

4.75 out of 5 stars ( 50 )

Estimated Ship Date: Today

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FAG Bearings Harmonic Balancer Repair Sleeves SR3466

Repair Sleeve Various Makes 48-05

Part Number: FWB-SR3466

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

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: Apr 7, 2026 if ordered today

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Estimated Ship Date: Apr 7, 2026 if ordered today

Agility Auto Parts Oil Pans 3310022

Oil Pan, Stock Style, Wet Sump, Steel, Black, 2-piece Rear Main Seal, Right Side Dipstick Location, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: RDR-3310022

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

MAHLE Original Valves 211-2486

Valve, Exhaust, OE Style, Tapered Stem, Wafer Tip, 0.341 in./1.5 in. Dia. Stem/Head, 4.92 in. Long, Flash Chrome Plated, Chevy, L4, L6, V6, V8, Each

Part Number: MAH-2112486

Not Yet Reviewed

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

COMP Cams Nostalgia Plus Cam and Lifter Kits SK12-670-4

Cam, Lifters, Timing, Hydraulic Flat Tappet, Advertised Duration 258/265, Lift .426/.420, Chevy, Kit

Part Number: CCA-SK12-670-4

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Apr 23, 2026 if ordered today

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Estimated Ship Date: Apr 23, 2026 if ordered today

Melling Valve Springs VS-739

Valve Springs, Single, 1.253 in. Diameter, 116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Each

Part Number: MEL-VS-739

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

COMP Cams Nostalgia Plus Cam and Lifter Kits SK12-673-4

Cam/Lifters/Timing, Mechanical Flat Tappet, Advertised Duration 284/294, Lift .504/.498, Chevy, Small Block

Part Number: CCA-SK12-673-4

Not Yet Reviewed

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

COMP Cams Xtreme Energy Cam and Lifter Kits SK12-249-4

Cam, Lifters, Timing, Hydraulic Flat Tappet, Advertised Duration 249/260, Lift .434/.444, Chevy, 5.0, 5.7L

Part Number: CCA-SK12-249-4

4.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Estimated Ship Date: May 6, 2026 if ordered today

MAHLE Original Valves 211-1280

Intake Valve - GMC Pass. & Truck 153, 194, 215, 230, 250, 262, 265, 267, 283, 292, 305,

Part Number: MAH-2111280

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

Mr. Gasket Billet Style Aluminum Crankshaft Pulleys 5317

Crankshaft Pulley, V-Belt, 2-Groove, Aluminum, Polished, Chevy, Small Block, Long Pump, Each

Part Number: MRG-5317

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

Need It Sooner? We recommend these similar substitute parts:

Summit Racing™ Crankshaft Pulleys SUM-G3966

4.75 out of 5 stars ( 17 )

Estimated Ship Date: Today

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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: May 7, 2026 if ordered today

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Estimated Ship Date: May 7, 2026 if ordered today