Wilwood's GT 36 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. Combined with our proven GT Series asymmetrical face slot pattern and individual dynamic balancing, you are assured the smoothest braking available.
NOTE & CAUTIONS:
Premium grade, Spec-37 Heavy Wall Castings

Wilwood's HD 36 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. Our HD Series preparation includes full detail machining and smooth pad contact faces without slots.
NOTE & CAUTIONS:
Premium grade, Spec-37 Heavy Wall Castings

Ultra-Light UL straight vane rotors provide high value performance and rugged durability for a wide range of competition, high performance, and sport driving applications. Don't confuse these rotors with bargain priced off-brand named parts. Wilwood's modern manufacturing capability, combined with large scale economy, make it possible to offer this level of quality and performance at such an affordable price.
NOTE & CAUTIONS:
Premium grade, medium weight castings.

Wilwood's ULGT-16 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. Combined with our proven GT Style asymmetrical face slot pattern, you are assured the smoothest braking available. 160-15879 and 160-15880 are replacement for 160-13980 and 160-13981.
NOTE & CAUTIONS:
Premium grade, Proprietary Iron Casting

Wilwood''s ULHD-16 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. Our HP Series preparation includes full detail machining and smooth pad contact faces without slots.
NOTE & CAUTIONS:
Premium grade, Proprietary Iron Casting