Availability
Rocker Arm Nuts, Stud Girdle, Full Roller, Polylock, 3/8 in.-24, Set of 16
Part Number: PQX-1200315
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nut, Power 12-Point, Polylock, 7/16 in. Stud, .600 in. O.D. Shank, .550 in. Undercut, Set of 16
Part Number: PQX-1200127
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nuts, PRW RockerLoc, 7/16 in. Stud, Hex Head, .550 in. O.D. shank, Set of 16
Part Number: PQX-1200337
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
FLANGE NUT, 5/16"-24 x 3/8" Wrenching, 12pt, 10 Piece Skin-Pack
Part Number: PQX-1068331
Estimated Ship Date: Today
Estimated Ship Date: Today
Poly Lock for Rocker Arm Stud Girdle, 7/16 in., Each
Part Number: PQX-1200317-01
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nuts, PRW RockerLoc, 7/16 in. Stud, Hex Head, .550 in. O.D. shank, Each
Part Number: PQX-1200337-01
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nuts,ROCKER ARM ADJUSTERS, Jam Nuts, 3/8" stud, Set of 16
Part Number: PQX-1200246
Not Yet Reviewed
Estimated Ship Date: Today
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
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Engine Rocker Arm Adjusting Nut
Part Number: PQX-1204512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rocker Arm Adjusting Nut
Part Number: PQX-1204502
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
FLANGE NUT, 1/2"-20 x 5/8" Wrenching, 12pt flange nut, each
Part Number: PQX-1068306
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Rocker Arm Nuts,ROCKER ARM ADJUSTERS, Jam Nuts, 7/16"-20, 1/2" Wrenching, 16 Ea
Part Number: PQX-1200247
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
JAM NUTS & ROCKER ARM BALL KIT, 3/8"-24, 5/8" Wrenching, 8 Each
Part Number: PQX-1200248
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Rocker Arm Nuts,ROCKER ARM ADJUSTERS, PRW RockerLoc, 7/16" Stud, 6 Point, .600" OD shank, Set of 16
Part Number: PQX-1200339
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
JAM NUTS & ROCKER ARM BALL KIT, 7/16"-20, 5/8" Wrenching, 8 Each
Part Number: PQX-1200249
Not Yet Reviewed
Estimated Ship Date: May 1, 2026 if ordered today
Estimated Ship Date: May 1, 2026 if ordered today
Rocker Arm Stud Girdle Adjuster
Part Number: PQX-1200315-01
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
ROCKERLOC, 3/8" stud, GM LS Series specific, hex head, 14.3mm OD shank, Single Piece
Part Number: PQX-1200335-01
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Rocker Arm Nuts, Flange Style Non-Locking for Roller Rocker Setups, 7/16 in.-20 Threads, 12 pt. 1/2 in. Head, 4135 Alloy Steel, Black Oxide, Pair
Part Number: PQX-1068323
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Rocker Arm Nut
Part Number: PQX-1200246-01
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Engine Rocker Arm Adjusting Nut
Part Number: PQX-1200247-01
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Rocker Arm Stud Girdle Adjuster
Part Number: PQX-1200316-01
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Rocker Arm Stud Girdle Adjuster
Part Number: PQX-1200318-04
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
Rocker Arm Stud Girdle Adjuster
Part Number: PQX-1200319-04
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
ROCKERLOC, STUD GIRDLE, 7/16"-2 long, 6 pt, .6" OD shank, 8 Ea.
Part Number: PQX-1200327
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
ROCKERLOC, 7/16" stud, GM LS Series specific, hex head, 13.97mm OD shank, Single Piece
Part Number: PQX-1200345-01
Not Yet Reviewed
Estimated Ship Date: Apr 30, 2026 if ordered today
Estimated Ship Date: Apr 30, 2026 if ordered today
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