BC Brian Crower Valve Guides for 2JZ Toyota Supra (BC3930/BC3931) Select::Set of 12 Exhaust Valve Guides • 5-speed transmission only

• 5-speed transmission only

3-Port: Uses Balance Shaft/Engine Block Breather

• Wrinkle black powder coat finish

Clutch Masters replacement flywheels for 2003-2006 350Z and G35

BC Brian Crower Valve Guides for 2JZ Toyota Supra (BC3930/BC3931) Select::Set of 12 Exhaust Valve Guides • 5-speed transmission onlyValve guides are essential components that wear over time, especially in high revving 2JZ engines. To maintain proper tolerances and optimal performance, it's advisable to replace worn guides with new aftermarket ones. BC premium valve guides, made from Manganese Silicon Aluminum Bronze alloy, are CNC machined to precise tolerances. These guides resist cracking and corrosion, reduce friction, and ensure high lubrication even at elevated engine