HD 48 Spec-37 Rotors

  • Wilwood’s HD 48 Curved Vane Spec-37 rotors are 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 machined to less than .001″ run-out, flatness, and parallelism.
  • The HD Series preparation includes full detail machining and smooth pad contact faces without slots.
SKU: 029 160-1349X

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