Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft Helmet Blower Hose Adapter Rear Main Seal Adapter

Rear Main Seal Adapter

This is an SFI 3

Suitable for hand or machine assembly

which is SFI certified

It is especially effective on the 1/8 mile courses

Allstar Performance Bump Spring Cup 1.160" Step OD x 16mm Shaft Helmet Blower Hose Adapter Rear Main Seal AdapterLightweight 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