Wilwood GT 48 Curved Vane Rotor - 12.90" Diameter - 12 x 8.75" Bolt Circle (Thru Bolt) - 1.25" Rotor Thickness - LH - 11.7 lbs. H77703F Sportsman Lifters also feature a

Sportsman Lifters also feature a shallower oil band than competitors versions for increased strength and rigidity

Shift Improver

Founded in England in 1983

Vehicle Applications: 1982-1992 GM F-Body Torque Arm Relocation Kit- TH350

Wilwood GT 48 Curved Vane Rotor - 12.90" Diameter - 12 x 8.75" Bolt Circle (Thru Bolt) - 1.25" Rotor Thickness - LH - 11.7 lbs. H77703F Sportsman Lifters also feature aWilwood'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