1990 GMC Melling Parts and Accessories

Valve Spring, Single, 1.238 in. O.D., 84 lbs. Seat Pressure, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-VS-380

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Timing Chain and Gear Set, Double Roller, Iron Cam Gear, Steel Crank Gear, Buick, Chevrolet, GMC, Oldsmobile, Pontiac, Set

Part Number: MEL-3-163S

3.85 out of 5 stars ( 13 )

Estimated Ship Date: Apr 28, 2026 if ordered today

Oil Pump, Wet Sump Style, High-Volume, Standard-Pressure, Billet Aluminum, 10 in. Pan Depth, Chevy, Big Block, Each

Part Number: MEL-10070-1000SS

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Estimated Ship Date: May 19, 2026 if ordered today

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Pushrod, Assembled, Steel, 5/16 in. Diameter, Ball Tips, 8.686 in. Overall Length, Buick, Cadillac, Chevrolet, Ford, GMC, Lincoln, Mercury, Olds, Each

Part Number: MEL-MPR-103-B

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Valve, Exhaust, Flat Head, Steel, 1.500 in. Diameter, 0.342 in. Stem, 4.928 in. Length, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-V1192

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

Part Number: MEL-500614

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Oil Pump, Shark Tooth, Standard-volume, Designed To Fit 8.250 in. Deep Oil Pan, Buick, Cadillac, Chevrolet, GMC, Olds, Chevy Small Block Gen I, Each

Part Number: MEL-10055ST825SS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 19, 2026 if ordered today

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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: Tomorrow

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: Tomorrow

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: Tomorrow

OIL PUMP

Part Number: MEL-10055ST750SS

1.0 out of 5 stars ( 1 )

Estimated Ship Date: May 19, 2026 if ordered today

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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: Tomorrow

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: Tomorrow

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: Tomorrow

Oil Pump, High-volume, Standard-pressure, This Is A Big Block Style Oil Pump Made To Fit the Small Block Applications, Chevy, GMC, Small Block, Kit

Part Number: MEL-10990

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Estimated Ship Date: May 14, 2026 if ordered today

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

Part Number: MEL-48574T-9

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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: Tomorrow

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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: Tomorrow

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

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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: Tomorrow

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: Tomorrow

Rocker Arm, Non-roller, Stud Mounting Style, Steel, Natural, 0.486 in. Slot Width, Chevrolet, GMC, Each

Part Number: MEL-MRK-405

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

Part Number: MEL-10077800SS

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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: Tomorrow

Camshaft Kit, Stock Replacement, Hydraulic Flat Tappet, 204 Int/208 Exh, Lifters Included, V8, Kit

Part Number: MEL-CL-MTC-6

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Estimated Ship Date: May 21, 2026 if ordered today

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