GMC SYCLONE Camshafts & Valvetrain

Rocker Arm, Non-roller, Steel, Natural, Includes One Rocker Arm, One Pivot Ball and One Nut, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Kit

Part Number: MEL-MRK-651

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

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

Part Number: NAL-14093637

5.0 out of 5 stars ( 17 )

Estimated Ship Date: Today

Rocker Arm Nut, Self-locking, Non-roller, 3/8-24 in. Stud Thread Diameter, for Use with Press-in Studs, AMC, Buick, Cadillac, Chevy, Ford, GMC, Each

Part Number: MEL-MRM-1786

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Valve Locks, Replacement, 1-groove, Steel, for 0.341 in. Valve Stem Diameter, AMC, Buick, Cadillac, Chevy, Edsel, Ford, GMC, Jeep, Olds, Mercury, Pair

Part Number: MEL-VL-200

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: MEL-VS-380

Not Yet Reviewed

Estimated Ship Date: Today

Pushrod, Assembled, Steel, 5/16 in. Tube Diameter, Ball Tips, 7.192 in. Overall Length, Buick, Cadillac, Chevrolet, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-MPR-373

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Roller Lifter Guide, Composite, Each

Part Number: NAL-12550002

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

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: Today

Valve Spring, Single, 1.253 in. O.D., 104-116 lbs. Seat Pressure, 1.160 in. Coil Bind Height, Buick, Cadillac, Chevy, GMC, Oldsmobile, Pontiac, Each

Part Number: MEL-VS-739R

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

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

Part Number: MEL-MRM-1731

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: NAL-94666580

Not Yet Reviewed

Estimated Ship Date: Today

Rocker Arms

Part Number: MEL-MR-926

Not Yet Reviewed

Estimated Ship Date: May 15, 2026 if ordered today

• Drop Ship
• Special Order

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

Part Number: MEL-VS-739

Not Yet Reviewed

Estimated Ship Date: Today

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: Today

Valve Spring Retainer, Steel, Stock, Each

Part Number: NAL-14003974

Not Yet Reviewed

Estimated Ship Date: Today