Wilwood GT 48 Curved Vane Rotor - 12.90" Diameter - 12 x 8.75" Bolt Circle (Thru Bolt) - 1.25" Rotor Thickness - RH - 11.7 lbs. H77403FL Aluminum plates simplify the task

Aluminum plates simplify the task of matching exhaust ports to large tube

Aligns Stock Throttle Bracket to Edelbrock Carb

Shutter Wheel

Reduces heat related pump failure

590 in Bore

Wilwood GT 48 Curved Vane Rotor - 12.90" Diameter - 12 x 8.75" Bolt Circle (Thru Bolt) - 1.25" Rotor Thickness - RH - 11.7 lbs. H77403FL Aluminum plates simplify the taskWilwood's GT 48 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