Wilwood Rotor-HD48 SPC-37-RH 12.19 x 1.25 - 8 on 7.62in 1990-mazda-miata-esi2160556 K-series engines also feature Fast

K-series engines also feature Fast Ramp and AMAX profile technology

Mishimoto has the perfect upgrade

a one-way check valve has been incorporated into the lines to ensure that the crankcase gasses are always flowing in the right direction

Single catch can kit for the Nissan S13 (all versions)

Recommended for all drag race & positive displacement supercharged applications

Wilwood Rotor-HD48 SPC-37-RH 12.19 x 1.25 - 8 on 7.62in 1990-mazda-miata-esi2160556 K-series engines also feature FastWilwood'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. Our HD Series preparation