Engines & Engine Parts

ROCKER ARMS, PRO SERIES ALUM, Ford Boss 351C-M, 400, 429, 460 1968-97, 1.73 X 7/16"

Part Number: PQX-6542902

Not Yet Reviewed

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

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Rocker Arm Studs, Pro Series, 7/16-20 in. Thread, 2.00 in. Effective Stud Length, Chevy, Big Block, Set of 8

Part Number: ARP-235-7204

5.0 out of 5 stars ( 6 )

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

Rocker Arm Studs, High Performance, 3/8-24 in. Thread, 1.75 in. Effective Stud Length, Chevy, Small Block, Pair

Part Number: ARP-134-7121

5.0 out of 5 stars ( 10 )

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

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, Billet Aluminum System, Shaft Mounted, 1.65 Ratio, Full Roller, Buick, 455, Kit

Part Number: PRO-66864

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

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Rocker Arms, Pedestal-Shaft Style, Full Roller, Aluminum, 1.50 Ratio, AFR Heads, Kit

Part Number: PQX-3535031

5.0 out of 5 stars ( 1 )

Estimated Ship Date: May 18, 2026 if ordered today

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Rocker Arm Stud Girdle, Aluminum, Orange, 7/16 in.-20 Thread, Chevy, Big Block, Bowtie, Dart, Merlin, Kit

Part Number: CSP-G1114

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

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Rocker Arms, Shaft Mount, 1.5 Ratio, Aluminum, Roller Rockers, Shafts, Spacers, Mopar, Small Block LA, Set of 16

Part Number: PRO-440-869

3.25 out of 5 stars ( 4 )

Estimated Ship Date: Apr 6, 2026 if ordered today

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Rocker Arms, Ford, Mercury , Lincoln 2.0, 2.3, 2.5 DOHC 2001-07

Part Number: MEL-MR-1350

5.0 out of 5 stars ( 1 )

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

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 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 Arms, Stud Mount, Full Roller, Aluminum, 1.73 Ratio, Fits 7/16 in. Stud, Ford, 351C/429-460, V8, Set of 16

Part Number: HRS-90083F

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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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Roller Shaft Bearing, Rocker Arm Replacement Part, Set of 4

Part Number: JES-BRG-20610-4

Not Yet Reviewed

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

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 Arm; Mopar, Shaft Rockers; Bolts And Dividers; For PN[1321-16]; 1 pc.

Part Number: CCA-1321H-1

4.71 out of 5 stars ( 7 )

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

Rocker Arm Adjusting Screws, with Locknut, 3/8 in.-24 Thread, 5/16 in. Cap, Set of 16

Part Number: PQX-1205230

5.0 out of 5 stars ( 1 )

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

Rocker Arms, Endurance Series, Pedestal Mount, Full Roller, Aluminum, 1.6 Ratio, Jeep, Dodge, V8, Set of 16

Part Number: SCC-3302

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Estimated Ship Date: Apr 16, 2026 if ordered today

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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

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Estimated Ship Date: May 18, 2026 if ordered today

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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 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 Arm Studs, Pro Series, 7/16-20 in. Thread, 2.70 in. Effective Stud Length, Ford, SVO 351, Kit

Part Number: ARP-354-7204

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 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