1991 GMC SONOMA Camshafts & Valvetrain

Rocker Arm, Non Roller, Steel, One Pivot Ball, One Nut, Chevy, 4.3L V6, 4.3L V8, 5.0L, 5.7L, Kit

Part Number: MEL-MRK-651

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Rocker Arm Nut

Part Number: MEL-MRM-1786

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Cam Retainer Plate Bolt, Roller Cam, Chevy, Small Block, Each

Part Number: NAL-14093637

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Tomorrow

Valve Springs, Single, 1.238 in. Diameter, 84 lbs. Seat Pressure, Each

Part Number: MEL-VS-380

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Roller Lifter Guide, Composite, Each

Part Number: NAL-12550002

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Valve Lock, 0.326 in Inside Diameter, 0.479 in. Outside Diameter, 1-Groove, Steel, Two Halves, Buick, Cadillac, Chevy, Ford, GMC, Lincoln, Olds, Each

Part Number: MEL-476104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Valve Locks, 1-groove, Steel, for 0.341 in. Valve Stem Diameter, Pair

Part Number: MEL-VL-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Pushrods

Part Number: MEL-MPR-373

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Camshaft Locking Plates, Steel, Black Oxide, Bolts Included, GM, Kit

Part Number: MEL-4605-LPK

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Springs, Single, 1.253 in. Diameter, 104-116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Each

Part Number: MEL-VS-739R

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Spring, Single, 1.241 in. Outside Diameter, 1.700 in. Installed Height, Each

Part Number: NAL-94666580

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: MEL-MRM-1731

Not Yet Reviewed

Estimated Ship Date: Tomorrow

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

Part Number: MEL-MPR-372

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Spring Retainer, Steel, Stock, Each

Part Number: NAL-14003974

Not Yet Reviewed

Estimated Ship Date: May 22, 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

Not Yet Reviewed

Estimated Ship Date: Tomorrow

NUT-ENG VALVE ROCKER ARM

Part Number: MEL-MRM-1720

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Valve Lock, Stamped, Steel, Stock, 1-Groove, 11/32 in. Valve Stem, Chevy, Small Block, Each

Part Number: NAL-24503856

Not Yet Reviewed

Estimated Ship Date: May 22, 2026 if ordered today

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Rocker Arm, OEM Replacement, AMC, Buick, Chevy, GMC, Jeep, Oldsmobile, Pontiac, 2.5L, Each

Part Number: MEL-MRK-409

Not Yet Reviewed

Estimated Ship Date: Tomorrow

CAM SPROCKET

Part Number: CLO-S506T

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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CRANK SPROCKET

Part Number: CLO-S511

Not Yet Reviewed

Estimated Ship Date: Feb 9, 2026 if ordered today

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Engine Valve Spring, Stock Replacement V

Part Number: MEL-VS-2309

Not Yet Reviewed

Estimated Ship Date: Feb 20, 2026 if ordered today

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• Special Order