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Ultra ARC Rocker Set of 8 w/ 1.6 Ratio for SBC w/ 7/16" Stud; 7/16" Stud, 1.6 Ratio

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.

Ultra ARC Narrow Rocker w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while adding power and stability. This self-aligning 19016 rocker has a 1.6 ratio for 3/8" stud '88+ Chevrolet 265-400 Small Block.

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

Ultra ARC Narrow Rockers w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while adding power and stability. This self-aligning 19016 rocker has a 1.6 ratio for 3/8" stud '88+ Chevrolet 265-400 Small Block.

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.

Ultra ARC Narrow Rocker w/ 1.5 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19017 rocker features a 1.5 ratio for use with 3/8" stud '88+ Chevrolet 265-400 Small Block.

Ultra ARC Narrow Rockers w/ 1.5 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. These 19017 rockers feature a 1.5 ratio for use with 3/8" stud '88+ Chevrolet 265-400 Small Block.

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.

Ultra ARC Narrow Rocker w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19018 rocker features a 1.6 ratio for use with 3/8" stud '88+ Chevrolet 265-400 Small Block.

Ultra ARC Rocker w/ 1.5 Ratio for Chevrolet V6 and SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. This 19001 rocker features a 1.5 ratio for use with 3/8" stud Chevrolet V6 and 265-400 Small Block.

Ultra ARC Narrow Rockers w/ 1.6 Ratio for '88+ Chevrolet SBC w/ 3/8" Stud; Constructed in the USA after FEA analysis, the Ultra ARC rocker withstands up to 700 lbs pressure while improving power and stability. These 19018 rockers feature a 1.6 ratio for use with 3/8" stud '88+ Chevrolet 265-400 Small Block.