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Ultra Pro Magnum XD Rocker Set w/ 1.5 Ratio for Chevrolet 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. These 1804 rockers feature a 1.5 ratio for use with 7/16" stud Chevrolet 265-400 Small Block.

Aluminum Rocker Arms 3/8" 1.5 Gold

ROCKERS; ALUMINUM; GM Gen III 5.7L 1997-08; 1.7 x 3/8in. x 5/16in. guide plates; Rocker Arm Kit; 1.7 x 3/8 in.; Incl. [16] 6061-T6 Extruded Aluminum Rockers/PRW RockerLoc Adjusters/Studs/5/16 in. Guide Plates;

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

Magnum 1.6 Ratio Rocker and HE Pushrod Kit for Oldsmobile 455; Perfect for street performance Olds 455 our 8620 chromemoly steel 1.6 ratio Magnum roller tip rockers can handle up to 350 lbs of pressure. Included in the kit are studs, guide plates and a set of our High Energy pushrods.

Ultra Pro Magnum XD Rocker Set of 8 w/ 1.5 Ratio for Chevrolet w/ 7/16" Stud; Chevrolet, 7/16" Stud/1.5" Ratio, XD Rocker Arms - Set of 8

Aluminum Rocker Arm Kit 1.5 7/16" Gold

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

ROCKERS; ALUMINUM; GM Gen III 5.7L 1997-08; 1.8 x 3/8in. x 5/16in. guide plates; Rocker Arm Kit; 1.8 x 3/8 in.; Incl. [16] 6061-T6 Extruded Aluminum Rockers/PRW RockerLoc Adjusters/Studs/5/16 in. Guide Plates;

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

Magnum Roller 1.7 Ratio Rocker Arm for Ford 289-351W w/ 3/8" Stud; Perfect for street performance, our 8620 chromemoly steel Magnum roller tip rockers can handle up to 350 lbs of pressure. This 1450 rail-type rocker features a 1.7 ratio for 3/8" stud '68-'89 Ford 289-351 Windsor.