1990 GMC Melling Parts and Accessories

Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.125 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL297HP

5.0 out of 5 stars ( 1 )

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Pushrod, 3/8 in. Diameter, 8.822 in. Length, Ball/Ball Ends, Each

Part Number: MEL-MPR-609

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Oil Pump, Select Billet Aluminum, Wet Sump Style, High-volume, Standard-pressure, 7.00 in. Depth, Buick, Chevy, GMC, Olds, Chevy Small Block, Each

Part Number: MEL-10050ST700CT

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Oil Pump, Wet Sump Style, Standard Volume/Pressure, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, 2.5L

Part Number: MEL-M62C

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Oil Pump Driveshaft, Chevy, Big Block, with Melling Billet Pump, Each

Part Number: MEL-12770

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

Part Number: MEL-22100

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Camshaft, Hydraulic Flat Tappet, Advertised Duration 295/310, Lift .502/.527, Chevy, Big Block, Each

Part Number: MEL-22204

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CAMSHAFT-ENGINE

Part Number: MEL-22402

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Estimated Ship Date: May 6, 2026 if ordered today

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

Part Number: MEL-MRM-1731

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VALVE SPRING KIT

Part Number: MEL-VSK46672

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Estimated Ship Date: May 6, 2026 if ordered today

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SPEED SET

Part Number: MEL-48510T-9

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Estimated Ship Date: May 6, 2026 if ordered today

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Camshaft, Class 1, Hydraulic Flat Tappet, 288/298 Advertised Duration, .459/.459 Lift, Chevy, Big Block, Each

Part Number: MEL-MTC-6

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Oil Pump Springs, 60 psi, Steel, Blue, Pins, Chevy, Big Block, Kit

Part Number: MEL-77060

4.5 out of 5 stars ( 2 )

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Freeze Plug Kits Bagged - Brass

Part Number: MEL-MPE-180BR

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Estimated Ship Date: May 6, 2026 if ordered today

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KIT-ENGINE CAMSHAFT/LIFTER

Part Number: MEL-CL-CCS-23

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Camshaft Kit, Stock Replacement, Hydraulic Flat Tappet, 390 Int/409 Exh, Lifters Included, V6, Kit

Part Number: MEL-CL-MC1290

3.0 out of 5 stars ( 1 )

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Camshaft, Hydraulic Flat Tappet, 300/300 Advertised Duration, .436/.436 in. Lift, Chevy, Small Block, Each

Part Number: MEL-22233

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 6, 2026 if ordered today

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Pushrod, Chromoly, 5/16 in. Diameter, 7.950 in. Length, Ball Ends, Each

Part Number: MEL-501024

4.0 out of 5 stars ( 1 )

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Cylinder Sleeve, Cast Iron, 4.250 in. Bore I.D., 0.094 in. Wall Thickness, 7.000 in. Length, Each

Part Number: MEL-CSL197HP

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Estimated Ship Date: May 6, 2026 if ordered today

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Guideplates, Raised, Steel, Black Oxide, 7/16 in. Pushrod Diameter, Chevy, Big Block, Each

Part Number: MEL-MGP1064

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Pushrod, Chromoly, 7/16 in. Diameter, 8.280 in. Length, Ball Ends, Each

Part Number: MEL-500294

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Camshaft, Hydraulic Flat Tappet, 293/293 Advertised Duration, .503/.503 in. Lift, Chevy, Big Block, Each

Part Number: MEL-22214

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Estimated Ship Date: May 6, 2026 if ordered today

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Valve Lock, Replacement, Stock Style, 1-groove, Stainless Steel, Each

Part Number: MEL-VL-300

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CAMSHAFT-ENGINE

Part Number: MEL-22472

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Estimated Ship Date: May 6, 2026 if ordered today

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