Rocker Arm Nuts | Summit Racing

Harland Sharp Polylocks Rocker Arm Nuts PL038K

Harland Sharp Polylocks Rocker Arm Nuts PL038K

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 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Works Polylocks 31-8

Rocker Arm Nuts, Polylock, 6-Point, Non-roller, 3/8 in.-24 Thread, 0.550 in. Slot Width, 1.00 in. Length, Set of 8

Part Number: EW1-31-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL716K

Rocker Arm Nuts, Polylocks, Roller Rocker Arms, 7/16 in.-20 Thread, Set of 4

Part Number: CSP-PL716K

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL3761K

Rocker Arm Nuts, Polylock Style, Full Roller, 7/16-20 in. Thread, 0.600 in. O.D., 2.200 in. Height, Set of 4

Part Number: CSP-PL3761K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Works Polylocks 76-8

Rocker Arm Nuts, Stud Girdle Polylock, 12-Point, Non-Roller, 7/16 in.-20 Thread, 0.600 in. Slot Width, 2.10 in. Length, Set of 8

Part Number: EW1-76-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Works Polylocks 78-8

Rocker Arm Nuts, Stud Girdle Polylock, 12-Point, Non-Roller, 7/16 in.-20 Thread, 0.600 in. Slot Width, 2.60 in. Length, Set of 8

Part Number: EW1-78-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Engine Works Polylocks 71-8

Rocker Arm Nuts, Polylock, 12-Point, Non-Roller, 7/16 in.-20 Thread, 0.600 in. Slot Width, 1.35 in. Length, Set of 8

Part Number: EW1-71-8

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Harland Sharp Polylocks Rocker Arm Nuts PL3800K

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

Part Number: CSP-PL3800K

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Crower Sure Lock Rocker Arm Nuts 86050S-16

Rocker Arm Polylock Nuts, Short Design, 7/16 in.-20 Thread, Set of 16

Part Number: CRO-86050S-16

4.85 out of 5 stars ( 26 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

AFR Rocker Arm Stud Girdle Replacement Nuts 6214-16

Rocker Arm Nuts, Stud Girdle Replacement Nuts, Full Roller, Polylock, 7/16-20 in., 2.00 in. Overall Length, Set of 16

Part Number: AFR-6214-16

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Howards Cams Stud Girdle Adjustment Nuts 90126-1

Rocker Arm Nuts, Polylock, Stud Girdle Replacement, Full Roller, 7/16 in.-20 Thread, 0.550 in. Shank Diameter, 2.00 Length, Each

Part Number: HRS-90126-1

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Pioneer Rocker Arm Adjusting Nuts 850008

Rocker Arm Adjusting Nuts, Non Roller, Polylock, 3/8-24 in. Stud Thread Diameter, Set of 16

Part Number: PIO-850008

3.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Crower Sure Lock Rocker Arm Nuts 86050-16

Rocker Arm Polylocks, Fits 7/16 in. Stud, Set of 16

Part Number: CRO-86050-16

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Crower Sure Lock Rocker Arm Nuts 86051S-16

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

Part Number: CRO-86051S-16

5.0 out of 5 stars ( 8 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

AFR Rocker Arm Stud Girdle Replacement Nuts 6215-8

Rocker Arm Nuts, Stud Girdle Replacement Nuts, Full Roller, Polylock, 7/16-20 in., 2.60 in. Overall Length, Set of 8

Part Number: AFR-6215-8

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Scorpion Rocker Arm Nuts SCPPL716-4

REPLACEMENT POLYLOCK

Part Number: SCC-SCPPL716-4

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Dart Rocker Arm Adjusting Nuts 64210210

Rocker Arm Stud Girdle Nuts, Polylock, 7/16-50 in., 2.600 in. Height, 0.600 in. Minimum Slot Width, Each

Part Number: DRT-64210210

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Crower Sure Lock Rocker Arm Nuts 86051-16

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

Part Number: CRO-86051-16

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

PRW Power 12-Point Poly Locks 1200123

Rocker Arm Nut, Power 12-Point, Polylock, 3/8 in. Stud, .550 in. O.D. Shank, Set of 16

Part Number: PQX-1200123

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Pioneer Rocker Arm Adjusting Nuts 850010

Rocker Arm Adjusting Nuts, Non Roller, Polylock, 7/16-20 in. Stud Thread Diameter, Set of 16

Part Number: PIO-850010

Not Yet Reviewed

Estimated Ship Date: May 14, 2026 if ordered today

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Estimated Ship Date: May 14, 2026 if ordered today

COMP Cams Rocker Arm Adjusting Nuts 4654-1

Rocker Arm Nut, Polylock, for Pro Magnum Series Rockers In GEN III LS1, LS2, and LS6 Models, Each

Part Number: CCA-4654-1

Not Yet Reviewed

Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

Howards Cams Rocker Arm Nuts 92140

Rocker Arm Nuts, Polylock, Stamped Steel Style, Full Roller, 3/8 in.-24 Thread, 0.600 in. Shank Diameter, 1.190 in. Length, , Set of 16

Part Number: HRS-92140

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

COMP Cams Rocker Arm Adjusting Nuts 4631-16

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 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

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

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

Brodix Cylinder Heads Rocker Arm Adjusting Nuts BR 6452

Rocker Arm Nut, Short Polylock, with Set Screw, Each

Part Number: BRO-BR6452

Not Yet Reviewed

Estimated Ship Date: Monday 4/27/2026 if shipped by air

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Estimated Ship Date: Monday 4/27/2026 if shipped by air

123 Results Found For "polylocks"