1991 GMC K1500 Engines & Components

Mr. Gasket Cam Locking Plate and Bolt Kits 948G

Camshaft Bolt and Lock Plate, Steel, Black Oxide, Chevy, Kit

Part Number: MRG-948G

4.5 out of 5 stars ( 2 )

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Melling Engine Expansion Plug Kits MPE-185BR

Melling Engine Expansion Plug Kits MPE-185BR

Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-185BR

Not Yet Reviewed

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Proform Harmonic Balancer Covers 66517BKC

Harmonic Balancer Cover, Aluminum, Black, 6 3/4 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66517BKC

5.0 out of 5 stars ( 4 )

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Dorman Valve Cover Grommets 42062

Valve Cover Grommet, PCV Style, Rubber, 0.691 in. I.D., Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: RNB-42062

3.85 out of 5 stars ( 13 )

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Dura-Bond Standard Cam Bearings CH-4A

Cam Bearings, Bi-Metal, Lead-Based Micro Babbit, 0.010 in. Oversize, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Small Block, Set

Part Number: DUR-CH-4A

Not Yet Reviewed

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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 )

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Sealed Power Connecting Rod Bearings 8-3860P

Rod Bearings, Standard Size, Bronze Babbitt Nickel, AM General, Chevy, Hummer, 6.2L, 6.5L, Diesel, Set of 8

Part Number: SLP-8-3860P

Not Yet Reviewed

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Perma-Cool Bolt-On Oil Filter Adapters 1135

Adapter, Oil Filter Bypass, Bolt-On, Aluminum, Natural, Replaces Factory Mounting Plate, Kit

Part Number: PRM-1135

5.0 out of 5 stars ( 1 )

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Pioneer Replacement Cylinder Head Fasteners S-327

HEAD BOLT KIT

Part Number: PIO-S327

Not Yet Reviewed

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Dorman Idler Pulleys 419-610

Idler Pulley, Serpentine, Steel, Black, Each

Part Number: RNB-419-610

4.0 out of 5 stars ( 9 )

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PRW Pedestal-Shaft Rocker Arms 3535032

Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.60 / 1.50 Split Ratio, AFR Heads, Kit

Part Number: PQX-3535032

Not Yet Reviewed

Estimated Ship Date: Jul 3, 2026 if ordered today

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Estimated Ship Date: Jul 3, 2026 if ordered today

Melling Camshafts 22402

CAMSHAFT-ENGINE

Part Number: MEL-22402

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

PRW Pedestal-Shaft Rocker Arms 3535037

Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.60 Ratio, Brodix Track 1 Heads, Kit

Part Number: PQX-3535037

Not Yet Reviewed

Estimated Ship Date: Jul 3, 2026 if ordered today

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Estimated Ship Date: Jul 3, 2026 if ordered today

Mahle Original OE Replacement Pistons S224-3543.030

Single Piston

Part Number: MAH-S2243543030

Not Yet Reviewed

Estimated Ship Date: Jun 3, 2026 if ordered today

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Estimated Ship Date: Jun 3, 2026 if ordered today

Sealed Power CP-Series Rod Bearings 2555CP 30

Rod Bearing, 0.030 in. Crankshaft Undersize, Tri Metal, AM General, Avanti, Buick, Chevy, GMC, Hummer, Oldsmobile, L6, V8

Part Number: SLP-2555CP30

Not Yet Reviewed

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Sealed Power Cam Bearings 1235M 1

Cam Bearings, Direct Replacement, Steel Backed Babbit, 0.001 in. Oversize, Chevy, Small block, Set

Part Number: SLP-1235M1

Not Yet Reviewed

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PRW Pro Series Billet Aluminum Rocker Arms 6535021

ROCKER ARMS, PRO SERIES ALUM, CHEV 262-400 1987-00, 1.6 x 3/8", narrow body, self-align

Part Number: PQX-6535021

Not Yet Reviewed

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Mr. Gasket Timing Tabs 4597

Timing Pointer, Steel, Chrome/Red, 7 in. Balancer, Chevy, Small Block, Each

Part Number: MRG-4597

3.0 out of 5 stars ( 4 )

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Summit Racing™ Standard Timing Sets SUM-TS73069

Timing Chain and Gear Set, Heavy Duty, Single Roller, Iron/Billet Steel Sprockets, Chevy, 350, Set

Part Number: SUM-TS73069

Not Yet Reviewed

Estimated Ship Date: Jun 23, 2026 if ordered today

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Estimated Ship Date: Jun 23, 2026 if ordered today

Need It Sooner? We recommend these similar substitute parts:

Cloyes Heavy-Duty Timing Sets C-3055

4 out of 5 stars ( 5 )

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Timken Harmonic Balancer Repair Sleeves 88176

Repair Sleeve, Harmonic Balancer, Steel, Each

Part Number: TMK-88176

4.17 out of 5 stars ( 6 )

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King SI-Series Rod Bearings CR 865SI 020

Rod Bearings, .020 in Crankshaft Undersize, Bi-metal, Silicon Aluminum, Set of 8

Part Number: KGB-CR865SI020

Not Yet Reviewed

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CVR Spin-On Oil Filter Bypass Adapters OFB67

Oil Filter Adapter, Spin-On Bypass Adapter, Billet Aluminum, Clear Anodized, 13/16-16 in., Chevy, Each

Part Number: CVS-OFB67

5.0 out of 5 stars ( 3 )

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Melling Valve Springs VSK46672

VALVE SPRING KIT

Part Number: MEL-VSK46672

Not Yet Reviewed

Estimated Ship Date: May 29, 2026 if ordered today

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Estimated Ship Date: May 29, 2026 if ordered today

Pioneer Automotive Timing Covers 500350

TIMING COVER

Part Number: PIO-500350

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

Proform Harmonic Balancer Covers 66518CC

Harmonic Balancer Cover, Aluminum, Chrome, 8 in. Diameter, Degree Markings, Chevy, Small Block, Each

Part Number: PRO-66518CC

4.0 out of 5 stars ( 3 )

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