PRW RockerLocs

3.67 out of 5 stars 3 Customer Reviews

PRW RockerLocs stabilize your rockers. Constructed from 5140 chromoly steel and heat-treated, they are precision ground for excellent runout to keep your rocker arms in place. RockerLocs for PRW rocker arms and stud girdles are available in 3/8 in. and 7/16 in. diameters.

Showing In Stock Items. Show All 17 Items.

Results 1 - 13 of 13

PRW RockerLocs 1200337

Rocker Arm Nuts, PRW RockerLoc, 7/16 in. Stud, Hex Head, .550 in. O.D. shank, Set of 16

Part Number: PQX-1200337

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PRW RockerLocs 1200315

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

Part Number: PQX-1200315

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PRW RockerLocs 1200337-01

Rocker Arm Nuts, PRW RockerLoc, 7/16 in. Stud, Hex Head, .550 in. O.D. shank, Each

Part Number: PQX-1200337-01

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PRW RockerLocs 1200339

Rocker Arm Nuts,ROCKER ARM ADJUSTERS, PRW RockerLoc, 7/16" Stud, 6 Point, .600" OD shank, Set of 16

Part Number: PQX-1200339

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Estimated Ship Date: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

PRW RockerLocs 1200341

ROCKERLOC, 7/16" Stud, 6 Point, .600" OD shank, .954" OAL For 05 Series Rocker Arms, Set of 16

Part Number: PQX-1200341

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

PRW RockerLocs 1200335-01

ROCKERLOC, 3/8" stud, GM LS Series specific, hex head, 14.3mm OD shank, Single Piece

Part Number: PQX-1200335-01

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

PRW RockerLocs 1200315-01

Rocker Arm Stud Girdle Adjuster

Part Number: PQX-1200315-01

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

PRW RockerLocs 1200345-01

ROCKERLOC, 7/16" stud, GM LS Series specific, hex head, 13.97mm OD shank, Single Piece

Part Number: PQX-1200345-01

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

PRW RockerLocs 1200316

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: Jun 16, 2026 if ordered today

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Estimated Ship Date: Jun 16, 2026 if ordered today

PRW RockerLocs 1200327

ROCKERLOC, STUD GIRDLE, 7/16"-2 long, 6 pt, .6" OD shank, 8 Ea.

Part Number: PQX-1200327

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Estimated Ship Date: Jun 17, 2026 if ordered today

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Estimated Ship Date: Jun 17, 2026 if ordered today

PRW RockerLocs 1200319-04

Rocker Arm Stud Girdle Adjuster

Part Number: PQX-1200319-04

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

PRW RockerLocs 1200318-04

Rocker Arm Stud Girdle Adjuster

Part Number: PQX-1200318-04

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

PRW RockerLocs 1200316-01

Rocker Arm Stud Girdle Adjuster

Part Number: PQX-1200316-01

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

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