Chevy BBC 454 1.7 Ratio 7/16" Steel Roller Tip Rocker Arm Set (w/Nuts and Balls)

Speedmaster 4340 chromoly steel roller tip rockers have a long slot and are for high lift cams to stand valve spring pressure up to 350lbs. A self-locking nut and powdered metal pivot ball are included with rocker. One way to increase power is to increase lift. That's what makesSpeedmaster steel roller tip rocker arms so popular. They're one of the highest lift rockers you can get outside of racing. And, along with the lift, you also get a ball pivot roller tip to prevent valve stem and guide wear.

In 1979, the company was founded with Pete's Performance, which was a small speed workshop. It began by building engines for customers as a hobby, and it has now grown to include selling, assembling, manufacturing and racing high performance engine parts. Over the years, the company has grown into a worldwide high performance powerhouse. Growing from a one-man bricks-and-mortar business; to now a supply chain in which entails more than 400+ people all across the world. Today, Pete's Performance has evolved into the internationally known Speedmaster: which has distribution centres and offices is Sydney, Los Angeles and Shanghai.