Rocker Arm Nuts - 3/8-24 in. Rocker Stud Thread Diameter - 0.600 in. Minimum Rocker Slot Width - In Stock Filter Options - Vendor In Stock Filter Options - Free Shipping on Orders Over $109 at Summit Racing

AFR Rocker Arm Stud Girdle Replacement Nuts 6216-16

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

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Trick Flow® Rocker Arm Adjusting Nuts TFS-70000903-8

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

Part Number: TFS-70000903-8

4.0 out of 5 stars ( 1 )

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Engine Works Polylocks 31-8

Rocker Arm Nuts, Polylock, 6-Point, Non-roller, 3/8 in.-24 Thread, 0.550 in. Slot Width, 1.35 in. Length, Set of 8

Part Number: EW1-31-8

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Scorpion Rocker Arm Nuts SCPPL38-4

Scorpion Rocker Arm Nuts SCPPL38-4

POLYLOCK REPLACEMENT

Part Number: SCC-SCPPL38-4

5.0 out of 5 stars ( 2 )

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Howards Cams Rocker Arm Nuts 90034

Rocker Arm Nuts, Polylock, Full Roller, 3/8 in.-24 Thread, 0.600 in. Shank Diameter, 1.190 in. Length, Each

Part Number: HRS-90034

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AFR Rocker Arm Stud Girdle Replacement Nuts 6216-1

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

Part Number: AFR-6216-1

5.0 out of 5 stars ( 1 )

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Trick Flow® Rocker Arm Adjusting Nuts TFS-70000901-8

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

Part Number: TFS-70000901-8

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Scorpion Rocker Arm Nuts SCPPL38-1

3/8 Race Series Polylock Single

Part Number: SCC-SCPPL38-1

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Trick Flow® Rocker Arm Adjusting Nuts TFS-70000903-1

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

Part Number: TFS-70000903-1

4.0 out of 5 stars ( 3 )

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COMP Cams Rocker Arm Adjusting Nuts 4509-1

Rocker Arm Stud Girdle Nuts, Roller Rockers, 3/8 in.-24 Thread, .750 in. Outside Diameter, 2.00 in. Height, Each

Part Number: CCA-4509-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 23, 2026 if ordered today

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Estimated Ship Date: Jan 23, 2026 if ordered today

Scorpion Rocker Arm Nuts SCPPL38SH-4

3/8 Endurance Series Polylock Short-Set of 4

Part Number: SCC-SCPPL38SH-4

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Scorpion Rocker Arm Nuts SCPPL38SH-1

3/8 Endurance Series Polylock Short

Part Number: SCC-SCPPL38SH-1

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today

COMP Cams Rocker Arm Adjusting Nuts 4509-16

Rocker Arm Stud Girdle Nuts, Roller Rockers, 3/8 in.-24 Thread, .750 in. Outside Diameter, 2.00 in. Height, Set of 16

Part Number: CCA-4509-16

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Jan 19, 2026 if ordered today

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Estimated Ship Date: Jan 19, 2026 if ordered today