SB Chevy 262-400 1955-87 - Heat Treated
Made from seamless 4130 aircraft grade chromemoly
True one piece with .080 wall
Cold formed ends
Ends are carbo-nitrited to prevent premature splitting
210 degree radius at one end to prevent rocker wear
Recommended for spring loads up to 750 lbs.
Centerless ground and case hardened to ensure longevity