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runners and ports
5" diameter mechanical gauge is a critical tool for monitoring nitrous bottle & fuel pressure
This TB has NO IAC Provision
The manifold includes our plenum porting service as well
Standard cam height or raised cam Height (
4500 Throttle body screen adapter runners and portsThrottle body screens are available in the 4500, 4150 Low Profile. The screens are constructed out of stainless steel mesh, grommet, with stainless steel trim around the bottom. Screens come with hardware to mount to throttle body or carburetor. Screens are 1. 5" tall Diameter is 7. 5" Note: If using a carb, vent tubes must be low enough to clear the screen.
