1990 GMC Melling Engines & Components

CAMSHAFT-ENGINE

Part Number: MEL-22472

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Estimated Ship Date: May 18, 2026 if ordered today

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Oil Pump, Standard-Volume, GM/Isuzu, 3.1/3.4L, V6, Each

Part Number: MEL-M134

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Estimated Ship Date: May 18, 2026 if ordered today

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Oil Pump Driveshaft, Chevy, Each

Part Number: MEL-IS-55G

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

ARM-ENG VALVE ROCKER

Part Number: MEL-MR-867

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Estimated Ship Date: May 18, 2026 if ordered today

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CAMSHAFT-ENGINE

Part Number: MEL-SPC17

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Estimated Ship Date: May 18, 2026 if ordered today

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CHAIN-TIMING SET (3)

Part Number: MEL-3-171S

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Pump Driveshaft, Nylon Sleeve, Chevy Big Block, Each

Part Number: MEL-IS-77A

3.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

CAMSHAFT-ENGINE

Part Number: MEL-22460

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Estimated Ship Date: May 18, 2026 if ordered today

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Timing Chain, Double Roller, Chevy, GMC, Each

Part Number: MEL-181

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Camshaft, Mechanical Flat Tappet, Duration @ .050 in. 242/242, Lift .520/.520, Chevy, Big Block, Each

Part Number: MEL-22396

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Estimated Ship Date: May 18, 2026 if ordered today

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CAMSHAFT-ENGINE

Part Number: MEL-22410

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Estimated Ship Date: May 18, 2026 if ordered today

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Rocker Arms

Part Number: MEL-MR-926

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Estimated Ship Date: May 15, 2026 if ordered today

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Camshaft, Stock Replacement, Hydraulic Flat Tappet, 244/259 Advertised Duration, 0.351 in./0.385 in. Valve Lift, Chevy 5.0L, Small Block, Each

Part Number: MEL-CCS-23

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Estimated Ship Date: May 18, 2026 if ordered today

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Oil Pump Springs, 55 psi of Force, Steel, Chevy, Small Block, Each

Part Number: MEL-5556F

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air

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

Part Number: MEL-VS-739

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Pump, High-Volume, GM/Jeep/Isuzu, 2.8/3.1L V6, Each

Part Number: MEL-M95HV

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Estimated Ship Date: May 18, 2026 if ordered today

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Pushrod, Oiling, Steel, 5/16 in. Tube Diameter, Ball Tips, 8.272 in. Length, Each

Part Number: MEL-MPR-372

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Pump, High-Volume, GM/Isuzu, 3.1/3.4L, V6, Each

Part Number: MEL-M134HV

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Estimated Ship Date: May 18, 2026 if ordered today

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Camshaft Thrust Plate Shim Washer, Brass, AMC, Buick, Chevy, Jeep, Oldsmobile, Pontiac, Studebaker, Each

Part Number: MEL-MG221

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

CAMSHAFT-ENGINE

Part Number: MEL-CCS-38

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Estimated Ship Date: May 15, 2026 if ordered today

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CHAIN-TIMING SET (3)

Part Number: MEL-3-507S

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Estimated Ship Date: Monday 4/20/2026 if shipped by air

Oil Pickup, Press Fit, Stock Pan Style, 0.750 in. Tube Diameter, Chevy, GMC, Pontiac, V6, 2.8, 3.1, 3.4L, Each

Part Number: MEL-244S

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Estimated Ship Date: May 18, 2026 if ordered today

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VALVE SPRING KIT

Part Number: MEL-VSK46636

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Estimated Ship Date: May 18, 2026 if ordered today

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Freeze Plug Kits Bagged- Steel

Part Number: MEL-MPE-185R

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Estimated Ship Date: May 18, 2026 if ordered today

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Oil Pump Springs, 60 psi, Steel, Black, Chevy, Big Block, Set of 5

Part Number: MEL-7760M

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/20/2026 if shipped by air