Allstar Performance Bump Spring Cup 1.200" Step OD x 1/2" Shaft Brake Proportioning Valve As a pioneer of ceramic

As a pioneer of ceramic friction technology

15 in Extended

Both brackets are notched for 1-3/4" round tubing and are 3/16" thick

10 AN Return

1974-1981 Pontiac Firebird

Allstar Performance Bump Spring Cup 1.200" Step OD x 1/2" Shaft Brake Proportioning Valve As a pioneer of ceramicLightweight bump spring cups are made from 6061 T6 aluminum and have a black anodized finish. Cups feature a bronze bushing, allowing the shock shaft to move freely during suspension travel. Cups have a 2" O. D. sized for Hypercoil and most Landrum bump springs. Two are required and should closely match bump spring I. D. size to appropriate bump spring cup step O. D. size from chart. Sold each. Specialty items for the Shop, Trailer and Track. The