Engines & Engine Parts

Rocker Arm Studs, 3/8-24 in. Thread, 1.470 in. Effective Stud Length, Chevy/Ford, Small Block, Kit

Part Number: MRG-1076

4.06 out of 5 stars ( 18 )

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

ADJUSTER SCREW KIT, VALVE LASH, MOPAR/CHRYSLER 273-440, Set of 16, 4135 Cup End

Part Number: PQX-9531807

4.0 out of 5 stars ( 4 )

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

Rocker Arms, Fits 7/16 in. Stud, Full Roller, Steel, 1.73 Ratio, Ford, 351C, 429, 460, Set of 8

Part Number: CCA-1830-8

5.0 out of 5 stars ( 2 )

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

• Free Shipping

Rocker Arms, PQx Platinum Series Shaft-Mount, Bushed, Roller Tip, Stainless Steel, Natural, 1.6 Ratio, Chrysler, Dodge, Big Block, Kit

Part Number: PQX-3244012

3.0 out of 5 stars ( 1 )

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

• Free Shipping

Rocker Arm/Pushrod Kit, Magnum 1.72, Magnum Pushrods, Chevy, Big Block, Kit

Part Number: CCA-RPM1411-16

4.67 out of 5 stars ( 6 )

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

• Free Shipping

Rocker Arms, Fits 7/16 in. Stud, Full Roller, Steel, 1.70 Ratio, Ford, 289, 302, 351W, Set of 16

Part Number: CCA-1834-16

4.25 out of 5 stars ( 4 )

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

• Free Shipping

Rocker Arm Nuts, Roller Rockers, 3/8 in.-24 Thread, .550 in. Outside Diameter, Set of 16

Part Number: ARP-300-8243

5.0 out of 5 stars ( 9 )

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

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: Monday 3/16/2026 if shipped by air

Rocker Arms, Full Roller, Aluminum, 1.6 Ratio, 7/16 in. Stud, Edelbrock Performer RPM, Oldsmobile, Set of 16

Part Number: CSP-S5003

5.0 out of 5 stars ( 2 )

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

• Free Shipping

Rocker Arm Nuts, Hi-Tech, Roller Rockers, 7/16 in.-20 Thread, .600 in. Outside Diameter, Set of 16

Part Number: CCA-4600-16

4.0 out of 5 stars ( 5 )

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

Rocker Arm, Exhaust, 1.8 Ratio, Cast, Roller Fulcrum, Chevy, Small Block, LS7, Each

Part Number: NAL-12579617

5.0 out of 5 stars ( 1 )

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

Polylocks, 3/8 in. Thread, .550 in. Diameter, Set of 4

Part Number: CSP-PL038K

4.75 out of 5 stars ( 4 )

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

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: Monday 3/16/2026 if shipped by air

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: Monday 3/16/2026 if shipped by air

• Free Shipping

Rocker Arms, Stud Mount, Roller Tip, Steel, 1.72 Ratio, Fits 7/16 in. Stud, Chevy, Ford, Set of 8

Part Number: CCA-1411-8

Not Yet Reviewed

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

• Free Shipping

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: Monday 3/16/2026 if shipped by air

• Free Shipping

Rocker Arms, Sportsman, Stud Mount, Roller Tip, Non-Self Align, Steel, 1.72 Ratio, Fits 7/16 in. Stud, 0.88 in. Slot Width, Chevy, Big Block,Set of 16

Part Number: PQX-0845403

5.0 out of 5 stars ( 3 )

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

• Free Shipping

Rocker Arm, Race Series, Full Roller, 1.5 Ratio, Aluminum, Blue, 7/16 in. Stud, Chevy, Small Block, Each

Part Number: SCC-SCP1001-1

4.75 out of 5 stars ( 4 )

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

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: Monday 3/16/2026 if shipped by air

• Free Shipping

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: Monday 3/16/2026 if shipped by air

• Free Shipping

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

Part Number: CCA-4512-16

5.0 out of 5 stars ( 5 )

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

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: Monday 3/16/2026 if shipped by air

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

Part Number: MEL-MRS-648

Not Yet Reviewed

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

Rocker Arm Nut, Full Roller, 3/8-24 in. Thread, Polylock, Each

Part Number: CCA-4631-16

5.0 out of 5 stars ( 1 )

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

Rocker Arm, OHC Shaft Mount, Roller Fulcrum, Steel, Black Oxide, Chrysler, Dodge, Jeep, Mitsubishi, Ram, Each

Part Number: MEL-MR-1345

5.0 out of 5 stars ( 4 )

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