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Ultra Pro Magnum XD Rocker w/ 1.5 Ratio for Chevrolet V6 and SBC 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. This 1804 rocker features a 1.5 ratio for use with 7/16" stud Chevrolet V6 and 265-400 Small Block.

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

ROCKERS; ALUMINUM; GM Gen III LS 5.7L 1997-08; 1.8 x 3/8in.; Rocker Arm Kit; 1.8 x 3/8 in.; 6061-T6 Extruded Aluminum Rockers; Studs; Full Roller; Needle Roller Trunnion Bearings; PRW RockerLoc Adjusters; Set Of 16;

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

Magnum Roller Rocker Arm w/ 1.6 Ratio for AMC, Ford and Oldsmobile w/ 3/8" Stud; Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of spring pressure. This 1442 rocker features a 1.6 ratio for 3/8" stud AMC 290-401, non-rail Ford 289-351W and Olds 260-455.

Ultra Pro Magnum XD Rocker Set w/ 1.5 Ratio for Chevrolet V6 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 1804 rockers feature a 1.5 ratio for use with 7/16" stud Chevrolet 200-262 V6.

Stock Replacement Rocker Arm Kit

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

ROCKERS; ALUMINUM; GM Gen III LS1; 1.8 x 3/8in.; Single Rocker; Rocker Arm; 1.8 x 3/8 in.; 6061-T6 Extruded Aluminum Rocker; Stud; Full Roller; Needle Roller Trunnion Bearings; PRW RockerLoc Adjuster; Each;

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