Spacers work with 1-3/4" bolt circle flanges only
Attaches easily with speedfit system
the focal point will be one inch in diameter
You could re-use the old housing ends but most of the time they are either too rusty or damaged from the removal process
Use with other manufacturers' hose is not recommended
Racing Power Stock Height Valve Covers Breather Holes Pontiac Logo Aluminum - Black Paint Fuel Filter End Cap Spacers work with 1-3/4" boltProduct Description: Valve Cover Short Breather Holes Pontiac Logo Aluminum Black Paint Pontiac V8 Pair Started in 1995 and specializing in both aftermarket and OEM markets, the Racing Power Company offers more than 4,800 different parts, including valve covers, dress up kits, air cleaner assemblies, crankshaft pulleys, breathers, light assemblies, and more.