BBK Power Plus Throttle Body - Stock Flange - 58 mm Twin Blade - GM TPI - Small Block Chevy 1539 Axle Bearing Bushings / Friction Materials /

Bushings / Friction Materials / Gaskets / Seals

This C4 kit features a billet aluminum servo cover

Dash Brackets are made for 1-3/4" tubing and are sold in Pairs

603 in Shank Diameter

BBK Power Plus Throttle Body - Stock Flange - 58 mm Twin Blade - GM TPI - Small Block Chevy 1539 Axle Bearing Bushings / Friction Materials /BBK 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