Brian Crower Valves - 31.5mm Exhaust (Mitsubishi 4G63 Eclipse/Evo) BC3105

Brian Crower Valves - 31.5mm Exhaust (Mitsubishi 4G63 Eclipse/Evo) BC3105Brian Cower was created to meet the demand for high quality engine components at an affordable price. The stroker kits fit all popular Sport Compact applications as well as the matching camshafts and valve camshafts. Complete packages designed to work together to provide more power and torque, as well as greater reliability. Exhaust valves are designed for the following car models: Mitsubishi 4G63 Evo Parameters: Head Dia 31. 5mm Stem Dia 6. 54mm

Brian Cower was created to meet the demand for high-quality engine components at an affordable price.
The stroker kits fit all popular Sport Compact applications as well as the matching camshafts and valve camshafts.
Complete packages designed to work together to provide more power and torque, as well as greater reliability.

Exhaust valves are designed for the following car models:
-Mitsubishi 4G63 / Evo

Parameters:
-Head Dia 31.5mm
-Stem Dia 6.54mm
-Overall Length 109.6mm

A set of exhaust valves.

Each valve is made of the highest quality, heat-resistant stainless steel material to ensure reliability at high recharging and high speed. The undercut shaft above the head area not only reduces the total weight to increase the rotation potential, but also significantly improves the air / fuel flow to and from the combustion chamber. Each valve is fully machined and has a spin-polished finish under the head.