Wilwood Spec-37 HD 48 Curved Vane Rotor - RH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle AN to AN Fittings tunnel ram gasketSince 1938

tunnel ram gasketSince 1938

E intake manifolds such as 351M

Precision manufactured from CNC-laser cut

Chevy Intake Gasket - 350 1997-00 1/8" Thick Vortec Design Port 1

Wilwood Spec-37 HD 48 Curved Vane Rotor - RH - 11.75" Diameter - 1.25" Width - 8 x 7.00" Bolt Circle AN to AN Fittings tunnel ram gasketSince 1938Wilwood's HD 48 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