Wilwood Proportioning Valve - 3/8 in Inverted Flare Female Inlet - 3/8 in Inverted Flare Female Outlet - Adjustable 100-1000 psi - Knob Type 74000 the Ultimate DL tracks the

the Ultimate DL tracks the fastest revving engines with 0-11k RPM sweep time of just 333 milliseconds

The Black wire goes to BAT terminal of the HEI Distributor ignition system

Most notably

3/8" High EnergyThe COMP Cams philosophy has never changed: make the highest performing products possible and lead the industry in technological development

Black / Silver Powder Coat

Wilwood Proportioning Valve - 3/8 in Inverted Flare Female Inlet - 3/8 in Inverted Flare Female Outlet - Adjustable 100-1000 psi - Knob Type 74000 the Ultimate DL tracks theProduct Description: Proportioning Valve 3 8 in Inverted Flare Female Inlet 3 8 in Inverted Flare Female Outlet Adjustable 150 1200 psi Knob Type Bracket Hardware Lines Aluminum Wilwood is a leading manufacturer of high performance brake systems and components to fit a wide range of track and street applications. They offer everything from individual components like rotors, calipers, and pads to complete bolt on kits. Wilwood Engineering designs and