Wilwood Ultralight 32 Curved Vane Rotor - RH - 8 x 7.00" Bolt Circle - 1.25" Width - 11.75" Diameter - 8 x 7.00" Bolt Circle - 0.326" Bolt Hole - 9.6 lbs. HB100220 Derale 2" Fan Spacer Kit

Derale 2" Fan Spacer Kit 31520

The top center bolt hole has been deleted on most aftermarket valve covers and do not have any effect on sealing

Made of 6061-T6 aluminum and fit a 1" dia

Inside tang-to-taper relationship held tightly for repeatable valve spring installed heights

Battle Bar

Wilwood Ultralight 32 Curved Vane Rotor - RH - 8 x 7.00" Bolt Circle - 1.25" Width - 11.75" Diameter - 8 x 7.00" Bolt Circle - 0.326" Bolt Hole - 9.6 lbs. HB100220 Derale 2" Fan Spacer KitUltra Light UL 32 directional vane rotors provide an excellent balance of efficient cooling and lower rotating mass on hard braking dirt tracks or rear axle service on pavement cars. UL rotors are cast from premium grade, long grain carbon iron for long wear, high thermal stability, and resistance to distortion. UL 32 rotors are production machined and well suited to a wide range of sportsman racing categories. Wilwood is a leading manufacturer of