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

Part Number: CCA-4631-16

5.0 out of 5 stars ( 1 )

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Rocker Arm Nuts, Magnum, Roller Rockers, 3/8 in.-24 Thread, .612 in. Outside Diameter, Set of 16

Part Number: CCA-4602-16

4.94 out of 5 stars ( 17 )

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Rocker Arm Polylocks, Fits 3/8 in. Stud, Set of 16

Part Number: CRO-86051S-16

5.0 out of 5 stars ( 7 )

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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 )

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

Part Number: CCA-4601-1

4.4 out of 5 stars ( 5 )

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Rocker Arm Nuts, Hi-Tech, Roller Rockers, 3/8 in.-24 Thread, .600 in. Outside Diameter, Set of 16

Part Number: CCA-4601-16

5.0 out of 5 stars ( 1 )

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

Part Number: CSP-PL038K

4.75 out of 5 stars ( 4 )

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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 )

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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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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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POLYLOCK REPLACEMENT

Part Number: SCC-SCPPL38-4

5.0 out of 5 stars ( 2 )

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Rocker Arm Nut; Rocker Arm Components; Rocker Arm Adjusting Nuts; Magnum Polylock; Stud Size 3/8 in.; 1 pc.

Part Number: CCA-4602-1

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Today

Rocker Arm Nuts, Stud Girdle, Full Roller, Polylock, 3/8 in.-24, Set of 16

Part Number: PQX-1200315

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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 )

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

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Rocker Arm Polylocks, Fits 3/8 in. Stud, Set of 16

Part Number: CRO-86051-16

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POLYLOCK, 3/8 HIGH ENERGY ALUMINUM

Part Number: CCA-4631-1

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Rocker Arm Nuts, Pro Magnum, 3/8 in.-24 Thread, Replacement for GEN III, LS1, LS2, LS6, Set of 16

Part Number: CCA-4654-16

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Estimated Ship Date: Dec 8, 2025 if ordered today

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• Special Order

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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3/8 Race Series Polylock Single

Part Number: SCC-SCPPL38-1

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

Part Number: CSP-PL3800K

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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 )

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

• Drop Ship
• Special Order