ARP Perma-Loc Rocker Arm Adjusters

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, Stamped Steel Rockers, 7/16 in.-20 Thread, .650 in. Outside Diameter, Set of 16

Part Number: ARP-300-8242

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Today

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .620 in. Outside Diameter, Set of 16

Part Number: ARP-300-8241

4.76 out of 5 stars ( 21 )

Estimated Ship Date: Today

Rocker Arm Nuts, 12-Point, Roller Rockers, 7/16 in.-20 Thread, .600 in. Outside Diameter, Set of 16

Part Number: ARP-300-8246

4.83 out of 5 stars ( 6 )

Estimated Ship Date: Today

Rocker Arm Nuts, Roller Rockers, 7/16 in.-20 Thread, .550 in. Outside Diameter, Set of 16

Part Number: ARP-300-8245

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Today

Rocker Arm Nuts, Stamped Steel Rockers, 3/8 in.-24 Thread, .600 in. Outside Diameter, Set of 16

Part Number: ARP-300-8244

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Rocker Arm Adjusters, 12-Point, Stud Girdle, 7/16 -20 Thread, 16 Pieces

Part Number: ARP-300-8248

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Estimated Ship Date: Oct 20, 2025 if ordered today

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Rocker Arm Adjusters, 12-Point, Stud Girdle, 7/16 -20 Thread, 16 Pieces

Part Number: ARP-300-8247

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Estimated Ship Date: Nov 6, 2025 if ordered today

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Rocker Arm Nuts, 12-Point, Roller Rockers, 7/16 in.-20 Thread, 2.050/2.615 in. Height, 0.750 in. O.D., BBC, Set of 16

Part Number: ARP-300-8249

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Estimated Ship Date: Oct 20, 2025 if ordered today

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