Adjustable Vacuum Secondary Die Cast Polished - 63-12QFT map-sensors 4 V8 1970 Chevrolet G20

4 V8 1970 Chevrolet G20 Van Base 250/4

Hall Effect sensor design provides precise timing control and noise immunity

NOTE: If you have a 429 Cobra Jet with a Holley Carb please see Part Number ZPC7003SS

8 V6 2003 Chevrolet Impala Base 231/3

Adjustable Vacuum Secondary Die Cast Polished - 63-12QFT map-sensors 4 V8 1970 Chevrolet G20Overview: Adjustable Vacuum Secondary Housing Polished Die Cast Allows user to tune rate of secondary throttle opening by simply turning a screw. Comes with replacement cork seal. Features: Application: Year Make Model Submodel Engine Size Universal Specs: Brand Quick Fuel Color Shiny Emission Code 5 Material Aluminum Product Type Vacuum Secondary Housing Warranty Limited 90 Day