Wilwood Proportioning Valve - Knob Style Coan Racing Features a precision register to

Features a precision register to locate the clutch and provide optimal balance

750" high featuring a digital RPM display equipped with the tools you need to change gears at precisely the correct moment

#72975 features a pre-assembled ready to bolt-on direct port nitrous system out-of-the-box

Does not fit LT1/LT4

Wilwood Proportioning Valve - Knob Style Coan Racing Features a precision register toThe new generation of adjustable proportioning valves combines the latest refinements to deliver precise pressure metering and strength from a compact forged billet design. Pressure adjustments range from 100 1000 PSI and provide for a maximum decrease of 57% in line pressure, the most of any available valve. Adjuster knob with fine thread tuning provides precise pressure adjustment. This adjustment lets you fine tune the front to rear braking balance