Wilwood Ultralite 32 Vane Drilled Rotor - 12.19" Diameter - .810" Width - 8 x 7.00" Bolt Circle - .325" Hole Type - 8.50" Far Side I.D. - 6.38" Lug I.D. - 8 lbs. 916190 Ideal for high RPM engines

Ideal for high RPM engines with high rocker arm ratios and valve spring pressures

Fast Easy Installation

Helps reduce oil breakdown and helps to extend engine life

heads or intake manifolds

Vehicle Applications: 1957 Chevrolet Bel Air Base CID 283 Naturally Aspirated GAS

Wilwood Ultralite 32 Vane Drilled Rotor - 12.19" Diameter - .810" Width - 8 x 7.00" Bolt Circle - .325" Hole Type - 8.50" Far Side I.D. - 6.38" Lug I.D. - 8 lbs. 916190 Ideal for high RPM enginesWhen it comes to rotors, racers are constantly searching for the ultimate balance between the lowest weight and the ability to effectively manage heat. Decreased rotating weight in the drive line provides quicker deceleration under braking and quicker acceleration out of the corners. Lower weight also benefits handling with improved spring and shock control over the unsprung suspension mass. Wilwood's ULD 32 drilled iron rotors provides effective