Wilwood Spec-37 HD 48 Curved Vane Rotor - LH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle R01J003 which can be displayed both

which can be displayed both on the digital tach display or through your existing AutoMeter tach

2006-2013 Chevrolet Corvette

GM Midsize SUV 2002-09

Classic Double Pumper

In fact it was our founders Brian and Ken Murphy that designed and developed the first aftermarket air intake system

Wilwood Spec-37 HD 48 Curved Vane Rotor - LH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle R01J003 which can be displayed bothWilwood's HD 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