Browse Catalog

Pioneer Automotive Industries Rocker Arm Kit. Designed as a direct OEM replacement for reliable engine performance.

High Energy Nitrided Rocker w/ 1.7 Ratio for Chevrolet Big Block w/ 7/16" Stud; Perfect for stock or High Energy camshaft engines, our High Energy rockers eliminate slop and feature a long slot for higher lift cams. This 1219 nitrided rocker features a 1.7 ratio for 7/16" stud '65-'87 Chevrolet 396-454 Big Block.

Ultra Pro Magnum XD Rocker Set of 12 w/ 1.8 Ratio for BBC w/ 7/16" Stud; CB, 7/16" Stud/1.8" Ratio, XD Rocker Arms - Set of 12

ROCKERLOC, 7/16" Stud, 6 Point, .550" OD shank, 16 Ea

Pioneer Automotive Industries Rocker Arm Kit. Designed as a direct OEM replacement for reliable engine performance.

High Energy Nitrided Rocker Set w/ 1.7 Ratio Chevrolet Big Block w/ 7/16" Stud; Perfect for stock or High Energy camshaft engines, our High Energy rockers eliminate slop and feature a long slot for higher lift cams. These 1218 nitrided rockers feature a 1.7 ratio for 7/16" stud '65-'87 Chevrolet 396-454 Big Block.

Ultra Pro Magnum XD Rockers w/ 1.8 Ratio for Chevrolet Big Block w/ 7/16" Stud; Machined from 8650 steel with a billet pushrod seat insert, these Ultra Pro Magnum XD rockers can handle up to 1,000 lbs of spring pressure. These 1828 rockers feature a 1.8 ratio for use with 7/16" stud Chevrolet 396-454 Big Block.

ROCKERLOC, 7/16" Stud, 6 Point, .600" OD shank, 16 Ea

Pioneer Automotive Industries Rocker Arm Kit. Designed as a direct OEM replacement for reliable engine performance.

ROCKER-LOC; STUD GIRDLE; 3/8in.; short; 6 pt for SRR; .600in. OD shank; 16 Each; Stud Girdle Kit; 3/8 in. Stud; Short Style; 6 Point For SRR; .600 in. OD Shank; 16 Each.

Ultra Pro Magnum XD Rocker Set of 8 w/ 1.8 Ratio for BBC w/ 7/16" Stud; CB, 7/16" Stud/1.8" Ratio, XD Rocker Arms - Set of 8

Pioneer Automotive Industries Rocker Arm Kit. Designed as a direct OEM replacement for reliable engine performance.