Wilwood Drilled Steel Rotor - 3 Bolt .310" Width - 11" Diameter x 5 - .500" Hole - 4.7 lbs. 31015R A bulb at the top

A bulb at the top of the capillary tube is designed to probe or be attached to the top or hottest portion of the radiator

570" ID that works well with our 951 dual valve springs

It snaps into place just like the OE

redesigned

Wilwood Drilled Steel Rotor - 3 Bolt .310" Width - 11" Diameter x 5 - .500" Hole - 4.7 lbs. 31015R A bulb at the topSteel rotors have applications in all types of motorsports. Steel rotors provide a durable lightweight option in applications where sustained temperatures remain in the low to moderate range, and high heat spikes are only observed on an intermittent basis. This could be anything from a hard stopping drag race car at the end of a quarter mile, or a high speed stock car coming in from a qualifier at a super speedway. Steel rotors can also be found in