6AN-3/8" Female NPT Carb Inlet Kit, Holey 4150 Carbs With Black/Silver Finish 1991-pontiac-firebird-esi6483971 It includes manganese phosphate coated

It includes manganese phosphate coated hardened chromoly steel shank studs

BBK Performance short mid X pipes with catalytic converters are specifically designed to be used with BBK full Length exhaust headers to complete the exhaust installation to your cars cat back exhaust system

The extension pipe dimensions are 3

like BMR Suspension's SB045

while maintaining acceptable NVH and ride quality

6AN-3/8" Female NPT Carb Inlet Kit, Holey 4150 Carbs With Black/Silver Finish 1991-pontiac-firebird-esi6483971 It includes manganese phosphate coatedRussell's wide variety of lightweight aluminum adapter fittings allow for the connection of Russell hose ends to almost any component. Adapters are offered in standard thread, metric thread and pipe thread to fit most popular oil pumps, fuel pumps, fuel filters plus a variety of other common components. To compliment the looks of the hose installation, three finishes are available ultra bright Endura, traditional blue anodized or our new black