Engines & Engine Parts

Rocker Arm Studs, High Performance, 7/16-20 in. Thread, 1.90 in. Effective Stud Length, Pair

Part Number: ARP-100-7121

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Shaft Hold Down, Steel, Big Block Mopar, Kit

Part Number: PQX-9544005

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arm, Non-roller, Stud Mount, Steel, Natural, 0.486 in. Slot Width, Each

Part Number: MEL-MRK-405

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arms, Full Roller, 1.6 Ratio, Stud Mount Style, Aluminum, Oldsmobile, V8, Set of 16

Part Number: CSP-S5016

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arms, Pedestal Mount, Full Roller, Aluminum, 1.7 Ratio, Chevy, LS, Set of 16

Part Number: SCC-SCP1062

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.73 Ratio, 7/16 in. Stud, Ford, Bigl Block, Cleveland, Modified, Set of 16

Part Number: SCC-SCP1023

4.57 out of 5 stars ( 7 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arms, PQx Platinum Series Shaft-Mount, for Edelbrock Victor, Full Roller, Aluminum, 1.5 Ratio, Chrysler, Dodge, Plymouth, Big Block, Kit

Part Number: PQX-3544021

Not Yet Reviewed

Estimated Ship Date: May 18, 2026 if ordered today

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Rocker Arm Adjusting Screws, with Locknut, 7/16 in.-20 Thread, 5/16 in. Ball Diameter, Set of 4

Part Number: CSP-MA716K

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm, Full Roller, 1.6 Ratio, Aluminum, Natural, 3/8 in. Stud Mounting Style, Chevy, Each

Part Number: NAL-19210725

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Stud Girdles, Clamp-on, Aluminum, Gold Anodized, for Use On Dart Cylinder Heads Only, Chevy, Small Block, Kit

Part Number: DRT-64110003

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arms, Stud Mount, Full Roller, 1.73 Ratio, Designed for Cobra Jet Style Heads Only, Ford, 429, 460, Kit

Part Number: CSP-S4073

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arms, Gold Series, Full Roller, 1.5 Ratio, Aluminum, Gold Anodized, Chevy, Small Block, Set of 16

Part Number: SUM-G6811G

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arm Retainer, Replacement, Each

Part Number: MEL-MRM-1724

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arms, Shaft Mount, 1.7 Ratio, Alum., Full Roller, Chevy, Big Block, Dart Pro 1, Pro 2, Iron Eagle Heads

Part Number: JES-KSS-037070

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arm Stud Girdle Nuts, Roller Rockers, 7/16 in.-20 Thread, .750 in. Outside Diameter, 2.515 in. Height, Set of 8

Part Number: CCA-4510-8

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm Studs, 7/16-14 in. Base Thread, 7/16-20 in. Rocker Arm Nut Thread, 2.00 in. Stud Length, Chevy, Ford, Big Block, Set of 8

Part Number: AFR-6407-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arms, Shaft Mount, 1.5 Ratio, Aluminum, Roller Rockers, Shafts, Spacers, Mopar, Big Block B/RB, Set of 16

Part Number: PRO-440-868

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arm, Replacement, Stud Mounting Style, 1.6 Ratio, Non-roller, Steel, Natural, Ford, Mercury, Each

Part Number: PIO-RK-650-X

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm Nut, Stud Girdle Replacement Nut Type, Full Roller, 7/16-20 in. Thread, Chevy, Ford, Set of 8

Part Number: AFR-6214-8

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm, Ultra Gold, Full Roller, 1.5 Ratio, Aluminum, Narrow Body, Self-Aligning, 3/8 in. Stud, Chevy, Set of 16

Part Number: CCA-19015-16

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arm Stud Pinning Kit, 16 Roll Pins, One 5/32 in. Drill Bit, Kit

Part Number: MRG-806G

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm, Stud Mount, Roller Tip, Steel, 1.60 Ratio, Fits 3/8 in. Stud, Ford, Oldsmobile, Each

Part Number: CCA-1442-1

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm Shaft, Replacement, Steel, Natural, Ford, Each

Part Number: MEL-MRS641

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air

Rocker Arm, 3/8 in. Stud Mount, Full Roller, Steel, 1.52 Ratio, Chevy, Small Block, Set of 8

Part Number: CCA-1601-8

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 3/16/2026 if shipped by air

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Rocker Arm Studs, 7/16-20 in. Thread, 1.925 in. Effective Stud Length, Chevy, Ford, Set of 16

Part Number: EW1-17527

Not Yet Reviewed

Estimated Ship Date: Monday 3/16/2026 if shipped by air