1981 GMC K1500 Engines & Components

Hastings Piston Ring Sets 2M139010

Piston Rings, Plasma-moly, 4.010 in. Bore, 5/64 in., 5/64 in., 3/16 in. Thickness, 8-Cylinder, Set

Part Number: HSN-2M139010

Not Yet Reviewed

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Melling High-Pressure Oil Pump Springs 55058

Melling High-Pressure Oil Pump Springs 55058

Oil Pump Springs, 58 psi, Steel, Yellow, Pins, Chevy, Small Block, Kit

Part Number: MEL-55058

3.5 out of 5 stars ( 4 )

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Hamburger's Performance Fabricated Aluminum Valve Covers 1084

Valve Covers, Tall, Fabricated, Aluminum, Polished, Chevy, Small Block, Pair

Part Number: HAM-1084

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 12, 2026 if ordered today

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Estimated Ship Date: May 12, 2026 if ordered today

Edelbrock Classic Cast Aluminum Valve Covers 41443

Valve Covers, Classic Series, Stock Height, Cast Aluminum, Black, Edelbrock Logo, Chevy, Small Block, Pair

Part Number: EDL-41443

5.0 out of 5 stars ( 3 )

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Edelbrock Elite II Series Valve Covers 4262

4.75 out of 5 stars ( 73 )

Estimated Ship Date: Today

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Dayco High Performance V-Belts 15465

Accessory Belt, V-Belt, V-groove, 0.440 in. Width, 46.50 in. Length, Each

Part Number: DAC-15465

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Dorman Valve Cover Grommets 42055

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

Part Number: RNB-42055

5.0 out of 5 stars ( 1 )

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Cloyes Street Billet True Roller Timing Sets 9-3146AZ-5

Timing Set

Part Number: CLO-9-3146AZ-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

Cloyes Replacement Timing Chains 9-131-5

Replacement Timing Chain, True Roller, Chevy, Pontiac, 0.005 in. Reduced Center, Each

Part Number: CLO-9-131-5

Not Yet Reviewed

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Melling Rocker Arm Pivot Balls MRM-1731

Rocker Arm Pivot Ball, Steel, 3/8 in., Chevy, Small Block, Each

Part Number: MEL-MRM-1731

5.0 out of 5 stars ( 1 )

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BluePrint Engines 50 State Legal Long Blocks G3508088

BluePrint Engines 50 State Legal replacement 350CI 1980-1988 Crate Engine

Part Number: MLL-G3508088

Not Yet Reviewed

Estimated Ship Date: May 11, 2026 if ordered today

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Estimated Ship Date: May 11, 2026 if ordered today

Hamburger's Performance Oil Filter Bypass Adapters 3328

Oil Filter Bypass Adapter, Aluminum, Clear, Anodized, Chevy, V-8, Each

Part Number: HAM-3328

4.0 out of 5 stars ( 2 )

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King HP-Series Rod Bearings CR 807HPN 030

Rod Bearings, HP-Series, .030 in. Crankshaft Undersize, Bi-metal, Silicon Aluminum, Large Journal, Chevy, Small Block, Set of 8

Part Number: KGB-CR807HPN030

Not Yet Reviewed

Estimated Ship Date: Jun 18, 2026 if ordered today

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Estimated Ship Date: Jun 18, 2026 if ordered today

King SI-Series Main Bearings MB 557SISTDX

Main Bearings, 1/2 Groove, .001 in. Thinner, Bi-metal, Silicon Aluminum, Chevy, Small Block, Set of 5

Part Number: KGB-MB557SISTDX

5.0 out of 5 stars ( 1 )

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Melling M-Select Class 1 Camshafts 22110

Camshaft, Hydraulic Flat Tappet, 278/288 Advertised Duration, .421/.443 in. Lift, Chevy, Small Block, Each

Part Number: MEL-22110

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Apr 21, 2026 if ordered today

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Estimated Ship Date: Apr 21, 2026 if ordered today

Melling High-Pressure Oil Pump Springs 55049

Oil Pump Springs, 49 psi, Steel, Green, Pins, Chevy, Small Block, Kit

Part Number: MEL-55049

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Today

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Dorman Harmonic Balancers 594-009

Harmonic Balancer, Internal Balance, Nodular Iron, Natural, GM, Each

Part Number: RNB-594-009

3.0 out of 5 stars ( 3 )

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Hamburger's Performance Billet Aluminum Remote Oil Filter Relocation Kits 3374

Oil Filter Relocation Kit, Remote, Billet Aluminum, Natural, 13/16 in.-16 Thread, 30.00 in. Hose Length, Buick, Chevy, GMC, Hummer, Olds, Pontiac, Kit

Part Number: HAM-3374

5.0 out of 5 stars ( 3 )

Estimated Ship Date: May 18, 2026 if ordered today

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Estimated Ship Date: May 18, 2026 if ordered today

Sealed Power MA Series Main Bearings 4663MA 20

Main Bearing Set;

Part Number: SLP-4663MA20

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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Sealed Power CP-Series Rod Bearings 2020CP 20

Rod Bearing, 0.020 in. Crankshaft Undersize, Tri Metal, Buick, Cadillac, Checker, Chevy, Oldsmobile, Pontiac, L4, L6, V8

Part Number: SLP-2020CP20

Not Yet Reviewed

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Hastings Steel Series Performance Ring Sets SM5587030

Piston Rings, Steel Series Performance Ring Sets, 0.030 in. Oversize, 4.030 in. Bore, Plasma-moly, 0.043 in., 0.043 in., 3.0mm, L8, V8, Set of 8

Part Number: HSN-SM5587030

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

Dorman Valve Cover Grommets 42061

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

Part Number: RNB-42061

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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PRW Pedestal-Shaft Rocker Arms 3535035

Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.50 Ratio, Brodix Track 1 Heads, Kit

Part Number: PQX-3535035

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

Edelbrock Sure Seat Valve Spring Kits 5794

Valve Spring Kit, Sure Seat, Single, 1.265 in. Outside Diameter, Steel Retainers, Steel Locks, 7 degree, Kit

Part Number: EDL-5794

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Cloyes Hex-A-Just Timing Sets 9-3100B

Timing Chain and Gear Set, Hex-A-Just, Double Roller, Billet Steel Sprockets, Chevy, Small Block, BBC Crank Snout, Set

Part Number: CLO-9-3100B

Not Yet Reviewed

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Professional Products Restoration Harmonic Balancers 85002

Harmonic Balancer, Restoration Balancer, Internal Balance, Nodular Iron, 8.000 in. Diameter, Chevy Orange, Chevy, Small Block, Each

Part Number: PFS-85002

Not Yet Reviewed

Estimated Ship Date: Apr 8, 2026 if ordered today

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Estimated Ship Date: Apr 8, 2026 if ordered today