Engines & Engine Parts

Rocker Arm Nuts, Stud Girdle Replacement Nuts, Polylock, 3/8-24 in., Use with Small Block Chevy and Small Block Ford AFR Stud Girdles, Set of 16

Part Number: AFR-6216-16

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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

• Drop Ship
• Free Shipping
• Special Order

Rocker Arm Studs, Pro Series, 7/16-20 in. Thread, 1.90 in. Effective Stud Length, Chevy, Kit

Part Number: ARP-234-7206

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arm Nuts, Stamped Steel Style, 3/8-24 in. Thread, Set of 16

Part Number: MAN-43143-16

4.25 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

Rocker Arm Nuts, Stamped Steel Rockers, 5/16 in. Ford, Small Block, Non-Adjusting Rockers, Set of 16

Part Number: CCA-4610-16

3.75 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

Rocker Arms, Long Slot, Stud Mounting Style, Non-roller, 1.6 Ratio, Steel, Chevy, Small Block, Set of 16

Part Number: HRS-90008

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Stud Mount, Roller Tip, Stamped Steel, 1.6 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: SUM-141507

4.63 out of 5 stars ( 16 )

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

• Free Shipping

Rocker Arms, Track Smart, Nitro-Carbided, Long Slot, Stud Mounting Style, Non-roller, 1.5 Ratio, Steel, Chevy, Small Block, Set of 8

Part Number: HRS-90045-8

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Rocker Arm Nut, Hi-Tech, Roller Rockers, 3/8 in.-24 Thread, .600 in. Outside Diameter, Each

Part Number: CCA-4601-1

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Tomorrow

Rocker Arms, Super-Street, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PRO-66914

2.22 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.72 Ratio, Fits 7/16 in. Stud, Ford, 289-351, V8, Set of 16

Part Number: HRS-90082

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Shaft Mount Roller Rocker Arms, 1.6 Ratio, Aluminum, Black Anodized, Chrysler, Dodge, Plymouth, Small Block, Set of 16

Part Number: PRO-440-469

Not Yet Reviewed

Estimated Ship Date: Tomorrow

• Free Shipping

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: Tomorrow

Rocker Arm, Non-roller, Steel, Natural, Pivot Ball, Bolt, Chevy, 7.4L, Kit

Part Number: MEL-MRK-653

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

Rocker Arms, Stud Mount, Roller Tip, Self-Aligning, Steel, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: PQX-0835002

3.38 out of 5 stars ( 8 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.5 Ratio, Fits 3/8 in. Stud, Chevy, 305-350, V8, Set of 16

Part Number: HRS-90084

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arm Adjusting Nuts, Non Roller, Polylock, 3/8-24 in. Stud Thread Diameter, Set of 16

Part Number: PIO-850008

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

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

Part Number: ARP-235-7205

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.7 Ratio, 7/16 in. Stud, Chevy, Big Block, Set of 16

Part Number: SCC-SCP3014

4.2 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.73 Ratio, Fits 7/16 in. Stud, Ford, Set of 16

Part Number: CSP-S4005

5.0 out of 5 stars ( 4 )

Estimated Ship Date: May 11, 2026 if ordered today

• Free Shipping

Rocker Arm Studs, Pro Series, 3/8-24 in. Thread, 1.75 in. Effective Stud Length, Chevy, Small Block, Kit

Part Number: ARP-234-7201

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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: Tomorrow

Rocker Arms, Stud Mount, Full Roller, Aluminum, 1.6 Ratio, 3/8 in. Stud, Chevy, Small Block, Set of 16

Part Number: SCC-SCP1038

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Tomorrow

• Free Shipping

Rocker Arm Studs, High Performance, 3/8-24 in. Rocker Thread, 7/16 in.-14 Base Thread, 1.895 in. Effective Length, Chevy, Ford, Small Block, Set of 16

Part Number: ARP-134-7104

4.61 out of 5 stars ( 49 )

Estimated Ship Date: Apr 13, 2026 if ordered today