1990 GMC Melling Engines & Components

Pushrod, PRO-Line, Assembled, Chromoly, 5/16 in. Diameter, 7.894 in. Overall Length, Ball Tips, Each

Part Number: MEL-500614

Not Yet Reviewed

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

Oil Pump, Shark Tooth, High-volume, Pickup, Driveshaft, 8.250 in. Pan Depth, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Chevy Small Block Gen I, Each

Part Number: MEL-10050ST825SS

5.0 out of 5 stars ( 2 )

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

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Oil Pump Springs, High-Pressure, Steel, Includes Five Pink 70 psi Springs and Five Pins, Cadillac, Chevy, GMC, Pontiac, Chevy Small Block Gen I, Kit

Part Number: MEL-55070

5.0 out of 5 stars ( 1 )

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

Valve Lock, Replacement, 0.326 in. Stem Diameter, 1-groove, Steel, Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln, Mercury, Oldsmobile, Pontiac, Each

Part Number: MEL-476104

5.0 out of 5 stars ( 1 )

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

Oil Pump Pickup, Street/Strip, Bolt-in, 8.00 in. Oil Pan Depth, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Chevy Small Block Gen I, Each

Part Number: MEL-12559

5.0 out of 5 stars ( 4 )

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

Pushrod Guideplates, Raised, Steel, Black Oxide, 5/16 in. Size, Cadillac, Chevrolet, GMC, Pontiac, Set of 4

Part Number: MEL-MGP1034

5.0 out of 5 stars ( 2 )

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

Pushrod, Assembled, Steel, 5/16 in. Tube Diameter, Ball Tips, 8.230 in. Overall Length, Chevrolet, GMC, Each

Part Number: MEL-MPR-379

5.0 out of 5 stars ( 1 )

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

OIL PUMP

Part Number: MEL-10055ST750SS

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Oil Pump Driveshaft, Heavy-Duty Intermediate, Chromoly Shaft Designed for Use with Melling Billet Pumps, Buick, Cadillac, Chevy, GMC, Olds, Each

Part Number: MEL-12550

5.0 out of 5 stars ( 5 )

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

Timing Chain Set, Single Roller, Iron Cam Gear, Steel Crank Gear, for Use In Engines without Factory Roller Cam, Buick, Cadillac, Chevrolet, GMC, Set

Part Number: MEL-40500

Not Yet Reviewed

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

Timing Chain and Gear Set, Double Roller, Cast Iron Cam Gear, Billet Steel Crankshaft Gear, Chevrolet, Set

Part Number: MEL-48574T-9

Not Yet Reviewed

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

Rocker Arm, Non-roller, Stud Mount, 1.5 Ratio, Fits 3/8 in. Stud, Steel, Natural, Cadillac, Chevy, GMC, Pontiac, Chevy Small Block Gen I, Each

Part Number: MEL-498404

5.0 out of 5 stars ( 1 )

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

Pushrod, Assembled, Steel, 5/16 in. Tube Diameter, Ball Tips, 9.200 in. Overall Length, Chevrolet, GMC, Each

Part Number: MEL-MPR-380

5.0 out of 5 stars ( 2 )

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

Camshaft, Hydraulic Flat Tappet, 271/281 Advertised Duration, .398/.430 in. Lift, Chevy, Big Block, Each

Part Number: MEL-22100

5.0 out of 5 stars ( 1 )

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

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Rocker Arm Nut, Self-locking, Non-roller, 7/16-20 in. Rocker Stud Thread Diameter, Chevrolet, Ford, GMC, Mercury, Each

Part Number: MEL-MRM-1793

5.0 out of 5 stars ( 1 )

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

Pushrod, Assembled, Steel, 5/16 in. Diameter, Ball Tips, 9.594 in. Overall Length, AMC, Chevrolet, International, GMC, Jeep, Oldsmobile, Each

Part Number: MEL-MPR-301

4.67 out of 5 stars ( 3 )

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

Oil Pump Pickup, Street/Strip, Bolt-in, 7.500 in. Oil Pan Depth, Buick, Cadillac, Chevy, GMC, Olds, Pontiac, Chevy Small Block Gen I, Each

Part Number: MEL-12558

5.0 out of 5 stars ( 3 )

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

Oil Pump Springs, High-Pressure, Steel, Includes Five Green 78 psi Springs and Five Pins, Cadillac, Chevy, GMC, Pontiac, Chevy Small Block Gen I, Kit

Part Number: MEL-55078

5.0 out of 5 stars ( 1 )

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

Oil Pump, Wet Sump Style, Standard-Volume, Standard-Pressure, Billet Aluminum, 8 in. Pan Depth, Chevrolet, Big Block, Each

Part Number: MEL-10077800SS

Not Yet Reviewed

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

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Pushrod, PRO-Line, Assembled, Chromoly, 5/16 in. Diameter, 7.800 in. Overall Length, Ball Tips, Each

Part Number: MEL-500314

Not Yet Reviewed

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

Rocker Arm Stud, Alloy Steel, 7/16-14 in. Base, 3/8-24 in. Arm Nut Thread, 0.600 in. Base Thread Length, 0.875 in. Nut Thread Length, Chevy, GMC, Each

Part Number: MEL-MRDS-2920

5.0 out of 5 stars ( 4 )

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

Oil Pump Gear, BILLET OIL PUMPS - SHARK TOOTH GEARS

Part Number: MEL-10055ST700CT

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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CAMSHAFT-ENGINE

Part Number: MEL-CCS-25

Not Yet Reviewed

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

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Camshaft Locking Plate, Steel, Black Oxide, Bolts Included, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Kit

Part Number: MEL-4605-LPK

Not Yet Reviewed

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

Camshaft Kit, Stock Replacement, Hydraulic Flat Tappet, Advertised Duration 268/280, .409/.442 Lift, Lifters, Chevrolet, GMC, 6.6L/7.4L Big Block, Kit

Part Number: MEL-CL-CCS-25

Not Yet Reviewed

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

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