Oldsmobile 330 350 400 425 455 1.6 Ratio Aluminum Shaft Mount Rocker Arm Set Speedmaster Aluminum Roller Rockers are

Speedmaster Aluminum Roller Rockers are extruded from 6061 T6 Aluminum

If your standard Bowtie block could handle 1500+ HP it would be Speedmaster's H1 engine block

improved throttle response and better fuel economy

these valvetrain kits provide all the necessary components for a complete and reliable rebuild

this stand adds a touch of elegance to your living room

Oldsmobile 330 350 400 425 455 1.6 Ratio Aluminum Shaft Mount Rocker Arm Set Speedmaster Aluminum Roller Rockers areSpeedmaster extruded aluminum and stainless steel shaft mount rocker system includes steel shafts with pedestals. All rockers feature large needle bearings and roller tips. For extreme high performance applications. They not only unleash horsepower, but they also lengthen valvetrain component life and reduce wear and tear on valve stem tips. These rockers are precision machined to ensure consistency and ratio accuracy and have a great looking anodized