Pontiac 265 350 400 455 1.52 Ratio 7/16" Aluminum Roller Rocker Arms These caps are engineered for

These caps are engineered for high performance

These control arms are manufactured to strict tolerances to employ a great fit and exceptional performance

for increased strength and improved register

Speedmaster starter shim kits are designed to ensure that you have the proper gap between the starter and flywheel

Speedmaster aluminum crankshaft pulleys are manufactured from 356 aluminum that is heat-treated to T-6 specs

Pontiac 265 350 400 455 1.52 Ratio 7/16" Aluminum Roller Rocker Arms These caps are engineered forSpeedmaster 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.