Availability
Rocker Arm Nuts
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: Today
Estimated Ship Date: Today
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: Today
Estimated Ship Date: Today
7/16 Endurance Series Polylock Short-Set of 4
Part Number: SCC-PL716SH-4
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Polylocks, Stud Girdle, Fits 7/16 in. Stud, Set of 4
Part Number: CSP-PL3760K
Not Yet Reviewed
Estimated Ship Date: May 19, 2026 if ordered today
Estimated Ship Date: May 19, 2026 if ordered 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 6, 2026 if ordered today
Estimated Ship Date: May 6, 2026 if ordered 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, Pro Magnum, 3/8 in.-24 Thread, Replacement for GEN III, LS1, LS2, LS6, Set of 16
Part Number: CCA-4654-16
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Engine Rocker Arm Adjusting Nut
Part Number: PQX-1204502
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Engine Rocker Arm Adjusting Nut
Part Number: PQX-1204512
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
7/16 Race Series Polylock Single
Part Number: SCC-SCPPL716-1
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nut, Long Polylock, with Set Screw, Each
Part Number: BRO-BR6455
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
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
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Rocker Arm Nuts, 7/16 in, for Stud Girdles, Chevy Big Block, Set of 16
Part Number: AAF-ALL90208
Estimated Ship Date: Apr 13, 2026 if ordered today
Estimated Ship Date: Apr 13, 2026 if ordered today
Rocker Arm Nut, Roller Rocker, 3/8 in.-24 Thread, .600 in. Outside Diameter, Each
Part Number: TFS-70000903-1
Estimated Ship Date: Today
Estimated Ship Date: Today
1/4-28 SELF LOCKING NUT
Part Number: ARP-400-8202
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 30, 2026 if ordered today
FLANGE NUT, 1/2"-20 x 5/8" Wrenching, 12pt flange nut, each
Part Number: PQX-1068306
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nuts, 3/8 in, for Stud Girdles, Chevy Small Block, Set of 16
Part Number: AAF-ALL90206
Not Yet Reviewed
Estimated Ship Date: Apr 9, 2026 if ordered today
Estimated Ship Date: Apr 9, 2026 if ordered today
Rocker Arm Nut; Rocker Arm Components; Rocker Arm Adjusting Nuts; Stud Girdle Adjusting Nut; BB Ford Threaded
Part Number: CCA-4511-1
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
Rocker Arm Adjusters, 12-Point, Stud Girdle, 7/16 -20 Thread, 16 Pieces
Part Number: ARP-300-8248
Not Yet Reviewed
Estimated Ship Date: Mar 30, 2026 if ordered today
Estimated Ship Date: Mar 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 5, 2026 if ordered today
Estimated Ship Date: May 5, 2026 if ordered today
Rocker Arm Nuts, POLY LOCKS Rocker Arm Adjusting Nuts
Part Number: ISK-204716PL
Not Yet Reviewed
Estimated Ship Date: May 27, 2026 if ordered today
Estimated Ship Date: May 27, 2026 if ordered today
Polylocks Stud Girdle BB Ford Threaded Through Full Length 7/16"
Part Number: CCA-4511-16
Estimated Ship Date: Apr 24, 2026 if ordered today
Estimated Ship Date: Apr 24, 2026 if ordered today
NUT-ENG VALVE ROCKER ARM
Part Number: MEL-MRM-1720
Not Yet Reviewed
Estimated Ship Date: Today
Estimated Ship Date: Today
Rocker Arm Nut, Full Roller, 1/2-20 in. Thread, Polylock, Ultra Pro Manngum, Ultra Pro Magnum XD, Set of 16
Part Number: CCA-4657-16
Not Yet Reviewed
Estimated Ship Date: Apr 27, 2026 if ordered today
Estimated Ship Date: Apr 27, 2026 if ordered today
Truck / SUV
Jeep®
Restoration
Stock Replacement
Late Model Muscle
Tools
Gifts, Clothing, & More
Circle Track
Street Rod
Powersports
Paint & Body
Marine
Jr Dragster