Wilwood Spec-37 HD 48 Curved Vane Rotor - RH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle MT-RM-TOY Idle timing control

Idle timing control

race teams and performance enthusiasts

Kits include bolts

Manufacturer's limited lifetime warranty

Made in the USA with global materials

Wilwood Spec-37 HD 48 Curved Vane Rotor - RH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle MT-RM-TOY Idle timing controlWilwood'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