Wilwood Ultralite 32 Vane Scalloped Rotor - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle - .325" Hole Type - 8.34" Far Side I.D. - 6.38" Lug I.D. - 5.8 lbs. 91502 970 in Spring ID

970 in Spring ID

or limit spark advance in high compression engines and high load conditions to eliminate knock

Toyota Corolla / Matrix 2003-06

Ford Fullsize SUV 2011-13

Wilwood Ultralite 32 Vane Scalloped Rotor - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle - .325" Hole Type - 8.34" Far Side I.D. - 6.38" Lug I.D. - 5.8 lbs. 91502 970 in Spring IDWhen 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 ULS 32 scalloped iron rotors provides effective