Rocker Arm Nuts

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: Today

Rocker Arm Nuts, 3/8 in.-24 Thread, 0.550 Slot Width, Set of 16

Part Number: PRO-66935

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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: Today

Rocker Arm Nuts, Polylock, Stud Girdle Replacement, Full Roller, 3/8 in.-24 Thread, 0.550 in. Shank Diameter, 2.00 Length, Each

Part Number: HRS-90125-1

Not Yet Reviewed

Estimated Ship Date: Today

Rocker Arm Polylocks, Stud Girdle, Fits 3/8 in. Stud, Set of 4

Part Number: CSP-PL3800K

Not Yet Reviewed

Estimated Ship Date: Today

Rocker Arm Nuts,ROCKER ARM ADJUSTERS, PRW RockerLoc, 3/8" Stud, 6 Point, .550" OD shank, Set of 16

Part Number: PQX-1200336

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Nov 28, 2025 if ordered today

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• Special Order

Rocker Arm Nuts,ROCKER ARM ADJUSTERS, Stud Girdle, PRW RockerLoc, 3/8" Stud, Short-Style, 6 Point, .550" OD shank, Set of 16

Part Number: PQX-1200316

1.0 out of 5 stars ( 1 )

Estimated Ship Date: Dec 1, 2025 if ordered today

• Drop Ship
• Special Order