PAC Racing Springs PAC-L8141 valve lock. Features mini 8-degree lock angle, 8 mm valve stem, standard height, steel with black oxide finish, fits GM LS-Series, each, ideal for performance builds.

PAC Racing Springs PAC-L8142 valve lock. Features mini 8-degree lock angle, 8 mm valve stem, +0.050 height, steel with black oxide finish, each, ideal for performance builds.

PAC Racing Springs PAC-L8160-16 valve locks. Features 10-degree lock angle, 8 mm valve stem, standard height, steel with black oxide finish, radius groove, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8116-16 valve locks. Features 7-degree lock angle, 8 mm valve stem, -0.050 height, steel with natural finish, fits GM LS-Series, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8113-16 valve locks. Features 7-degree lock angle, 8 mm valve stem, standard height, steel with black oxide finish, fits GM LS1, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8143-16 valve locks. Features 8-degree lock angle, 8 mm valve stem, -0.050 height, steel with black oxide finish, radius groove, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8141-16 valve locks. Features mini 8-degree lock angle, 8 mm valve stem, standard height, steel with black oxide finish, fits GM LS-Series, set of 16, ideal for performance...

PAC Racing Springs PAC-L8142-16 valve locks. Features mini 8-degree lock angle, 8 mm valve stem, +0.050 height, steel with black oxide finish, radius groove, set of 16, ideal for performance builds.

PAC Racing Springs PAC-L8117-16 valve locks. Features 8-degree lock angle, 8 mm valve stem, standard height, titanium with natural finish, radius groove, set of 16, ideal for performance builds.

PAC Racing Springs PAC-KS14 valve spring kit. Features beehive spring, 313 lb/in rate, 1.140 in coil bind, 1.290 in OD, includes chromoly retainer, locks, Viton seal, seat, fits GM LS-Series, ideal...

PAC Racing Springs PAC-R364-16 valve spring retainers. Features 300 Series, 7-degree lock angle, 0.795 in OD step, beehive spring compatible, chromoly, set of 16, ideal for performance builds.