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Hi-Tech Polylock Set for 7/16" Stud Ultra Pro Magnum Rockers; The best polylock for high end race applications, these Hi-Tech polylocks are designed for 7/16" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.

POLY LOCKS, 7/16 HI TECH; 7/16 HI Tech Poly Lock-1

Hi-Tech Polylock for 3/8" Stud Ultra Pro Magnum Rockers; The best polylock for high end race applications, this Hi-Tech polylock is designed for 3/8" Ultra Pro Magnum and Ultra Pro Magnum XD rockers.

Magnum Polylock for 3/8" Rocker Stud; Tapered for extra strength in locking points, our Magnum polylock is 1.300" tall with a .612" diameter for use with 3/8" stud rockers.

Magnum Polylock for 7/16" Rocker Stud; Tapered for extra strength in locking points, our Magnum polylock is 1.300" tall with a .665" diameter for use with 7/16" stud rockers.

Magnum Polylock Set for 7/16" Rocker Stud; Tapered for extra strength in locking points, our Magnum polylocks are 1.300" tall with a .665" diameter for use with 7/16" stud rockers.

High Energy Polylock for 3/8" Rocker Stud; Perfect for moderate lift and spring pressure, this High Energy polylock fits 3/8" stud rockers.

High Energy Polylock for 7/16" Rocker Stud; Perfect for moderate lift and spring pressure, this High Energy polylock fits 7/16" stud rockers.

High Energy Polylock Set for 7/16" Rocker Stud; Perfect for moderate lift and spring pressure, these High Energy polylocks fit 7/16" stud rockers.

Rocker Adjusting Nut for Small Block Ford; FS Rocker Adjuster (1)

Rocker Adjusting Nut Kit for Small Block Ford; 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.

1.125" Tall Polylock for High Energy Rockers w/ 7/16" Stud; This 1.125" tall polylock fits our 7/16" High Energy Die Cast Aluminum roller rocker arms. Perfect for moderate lift and spring pressure applications.