BBK 92-93 GM LT1 5.7 Twin 52mm Throttle Body BBK Power Plus Series (1540) 1521 and removes the catalytic converts

and removes the catalytic converts

F013 pressure plate features an exclusive diaphragm design to increase clamp load

Installation:For use with PPE 1ZZ Header

Does NOT fit 1998 2500 Model or any 1996-1998 GM 454 applications - see Part #1709

FM1-XTSS kit features an Xtreme pressure plate for the most demanding driver

BBK 92-93 GM LT1 5.7 Twin 52mm Throttle Body BBK Power Plus Series (1540) 1521 and removes the catalytic convertsBBK Performance throttle bodies are designed as a direct replacement for the restrictive stock factory throttle body. All BBK Power Plus throttle bodies offer OEM drive ability but with up to 30% improved airflow for improved horsepower torque and throttle response. Every BBK throttle body is CNC Machined from a new high quality 356 aluminum casting and assembled with features like OEM style die stamped throttle linkages double sealed bearings and o