Wilwood Spec-37 HD 48 Curved Vane Rotor - LH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle R01J003 Patented Wide Angle dial design

Patented Wide Angle dial design provides the largest viewable dial available in a 5" gauge

GM 4L60E/80E Transmission Control Harness (Terminator X Max Only)

How do you make it better

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

Seams are flat sewn and strategically placed to avoid pressure points and promote comfort

Wilwood Spec-37 HD 48 Curved Vane Rotor - LH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle R01J003 Patented Wide Angle dial designWilwood'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