Chevy SBC 350 1.50 7/16" Self Aligning Stainless Steel Roller Rocker Arm Set Speedmaster valve locks are designed

Speedmaster valve locks are designed for stock or performance engines using 7 degree valve locks

improved throttle response and better fuel economy

For those with applications that require the fast and consistent action of and air shift this is exactly the shifter for you

shiny or polished materials

Chevy SBC 350 1.50 7/16" Self Aligning Stainless Steel Roller Rocker Arm Set Speedmaster valve locks are designedSpeedmaster Stainless steel rollers are manufactured from heat treated stainless steel and alloy steel tip rollers. Speedmaster roller rockers are available in various ratios, so you are good to go. They feature greater strength and durability, capable of withstanding valve spring load up to 600lbs.