Wilwood GT 36 Curved Vane Spec-37 Rotor - LH - .810" Width - 12.19" Diameter - 8 x 7.62" - 9.3 lbs. 356903 Precision 2-5/8" diameter gauges feature

Precision 2-5/8" diameter gauges feature a programmable warning function to quickly alert the driver in the event of a problem

Adjustment bolt has 4" of travel and adjusts with a 1/2" square drive ratchet

Includes Installation KitSince 1962

Aluminum plates simplify the task of matching exhaust ports to large tube

Gasket Aluminum Exhaust Gasket 7407G Round Port - Chevy Big Block

Wilwood GT 36 Curved Vane Spec-37 Rotor - LH - .810" Width - 12.19" Diameter - 8 x 7.62" - 9.3 lbs. 356903 Precision 2-5/8" diameter gauges featureWilwood's GT 36 Curved Vane Spec 37 rotors 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. Every Spec 37 rotor is precision