Vibrant 4in O.D. Universal Aluminum Tubing (90 degree bend) - Polished - 2876 Fuel Delivery>Fuel Filters a SuperPro rack mount bushing

a SuperPro rack mount bushing kit will deliver big improvement with a small price tag

It can also be forced open at high boost levels - significantly if boost levels are increased over standard

the O-ring seal can be found HERE

but the belt length may change slightly as pulley sizes vary

Vibrant 4in O.D. Universal Aluminum Tubing (90 degree bend) - Polished - 2876 Fuel Delivery>Fuel Filters a SuperPro rack mount bushingVibrant Performance aluminum tubing is constructed from 6061 aluminum. Each tube is mirror polished, and requires minimal preparation for welding and fabrication. Fabricators can count on Vibrant Performance Aluminum tubing for its material consistency and dimensional accuracy.