innovative cam profiles world famous rocker arms and valvetrain components power ... products for ls1 cars-trucks chevrolet v-8 97-05 5.7l ... 346 ls1/ls2/ls6 also 99-05 vortec 4800 5300 ... base circle camshafts full-roller rockers for ls1 chevrolet v-8 97-05 ls1/ls6 5. ... vortec 4800,5300 6000 application ratio stud dia part no stock ratio standard stud ... 3/8 144750a-16a stock ratio standard stud diameter 1.70 3/8 144750-16a complete ... installation kit including studs guideplates pushrods increased ratio ... standard stud diameter 1.80 3/8 144759a-16a ... increased ratio standard stud diameter 1.80 3/8 144759-16a complete ... installation kit including studs guideplates pushrods a for use with ... tuning for up to 150 hp with crane cams rockers valve train and other performance ...
valve train components magnum roller rocker arms strong made from 8620 chromemoly ... durable reduces friction and powerful rockers can add 15 to 30 horsepower to most ... 260-455 pontiac 265-455 265-455 stud size 3/8 7/16 3/8 7/16 3/8 3/8 7/ ... /16 3/8 7/16 7/16 pro magnum roller rocker arms made from 8650 chromemoly steel ... these rockers combine superior strength advanced ... design and precision accuracy rocker ratio 1.52 1.52 1.6 1.6 1.5 1.6 1.72 1. ... lifters 305-350 o.e `87 to present and ls1 265-400 retro-fit early model 396-454 ... lifters 305-350 o.e `87 to present and ls1 265-400 retro-fit early model 396-454 ... power brakes extra reserve when you install a larger duration camshaft black powder ...