Wilwood HD 48 Curved Vane Spec-37 Rotor - LH - 1.25" Width - 12.19" Diameter - 8 x 7" Bolt Circle - .316" Hole - 12.7 lbs. BLOWER-FILTER-IDA tube design provides excellent exhaust

tube design provides excellent exhaust flow to let your Ford Windsor block engine breathe deep

TH200 / TH250 / TH350 / TH400 / C4 / C6 / A727 / A904

2019-2020 Chevrolet Silverado 1500 79

*Two reqEach member of the DeatschWerks team brings a unique talent to the company

Wilwood HD 48 Curved Vane Spec-37 Rotor - LH - 1.25" Width - 12.19" Diameter - 8 x 7" Bolt Circle - .316" Hole - 12.7 lbs. BLOWER-FILTER-IDA tube design provides excellent exhaustWilwood'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