Simpson Racing Midtop Shoes 1991-pontiac-firebird-esi6483971 All BBK Performance throttle bodies

All BBK Performance throttle bodies are designed to improve performance - New Electronics Installed

Note that the reinforcements are supplied in bare metal for welding and will need to be painted post-installation

Additional aftermarket strut capability is coming soon

Manufactured from 1-5/8-inch x 0

BMRs Throttle Body Water Bypass Kit for LT1 Engines (TB001) allows you to bypass your throttle body coolant passage and is designed for street performance

Simpson Racing Midtop Shoes 1991-pontiac-firebird-esi6483971 All BBK Performance throttle bodiesThe Simpson Racing Midtop Shoe is SFI certified and available in an attractive black and grey two tone design.