Engine Rocker Arm Adjusting Nut

these Hi-Tech polylocks are designed for 3/8" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.

these Hi-Tech polylocks are designed for 7/16" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.

this High Energy polylock fits 3/8" stud rockers.

this High Energy polylock fits 7/16" stud rockers.

these High Energy polylocks fit 3/8" stud rockers.

these High Energy polylocks fit 7/16" stud rockers.

our Magnum polylock is 1.300" tall with a .612" diameter for use with 3/8" stud rockers.

our Magnum polylock is 1.300" tall with a .665" diameter for use with 7/16" stud rockers.

our Magnum polylocks are 1.300" tall with a .612" diameter for use with 3/8" stud rockers.

our Magnum polylocks are 1.300" tall with a .665" diameter for use with 7/16" stud rockers.

This 4610-16 adjusting nut kit includes a set of 16 washers and nuts to convert your Ford 302 and 351 Windsor rockers to an adjustable valvetrain. Fits 5/16" studs.

this adjusting nut is designed for 3/8" rockers with a stud girdle.

this adjusting nut is designed for 3/8" rockers with a stud girdle. Comes with a snap ring to hold girdle bar.

this adjusting nut is designed for 7/16" rockers with a stud girdle.