Wilwood HD 36 Curved Vane Spec-37 Rotor - LH - .810" Width - 11.75" Diameter - 8 x 7" Bolt Circle - .326" Hole - 8.5 lbs. Balance Bar Coupler The advance curve is easy

The advance curve is easy to adjust with different advance springs and stop bushings which are included

Also Includes New Reusable Bowl and Metering Gaskets

Expedites Changing Of Vacuum Spring

1956-1959 Ford Club

5 to 8 psi

Wilwood HD 36 Curved Vane Spec-37 Rotor - LH - .810" Width - 11.75" Diameter - 8 x 7" Bolt Circle - .326" Hole - 8.5 lbs. Balance Bar Coupler The advance curve is easyWilwood's HD 36 Curved Vane Spec 37 rotors are manufactured from a proprietary iron alloy developed to withstand extreme temperatures with the highest possible degree of resistance against distortion, warping, cracking, and wear. The formulation for this alloy is a derivative of technology and materials that were significant in the development of the extreme duty military spec rotors that are manufactured by Wilwood. Every Spec 37 rotor is precision