Pontiac 265 350 400 455 1.52 Ratio 7/16" Aluminum Roller Rocker Arms for increased strength and improved

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

Stop searching junkyards and swap meets for a replacement for your cracked or broken timing cover

Speedmaster 4340 Billet Steel crankshafts are manufactured from high quality true billet round bar stock

Speedmaster CNC ported cylinder heads are machined on dedicated 5-axis CNC machines to ensure accuracy and better flow

Pontiac 265 350 400 455 1.52 Ratio 7/16" Aluminum Roller Rocker Arms for increased strength and improvedSpeedmaster 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.