BC Brian Crower Valve Guides for Mitsubishi Evo X (BC3914/BC3915) Simpson Racing Compatible with these FIC injectors:

Compatible with these FIC injectors:

Part Number: Valves: Head Diameter: Stem Diameter: Overall Length: BC3130 Intake 35mm (STD) 5

5" Double Wall Tips

Vibrant Performance open funnel air filters feature an inverted filter cap design which greatly increases the filter surface area for improved air flow and filtration for your normally-aspirated engine

no cutting is needed

BC Brian Crower Valve Guides for Mitsubishi Evo X (BC3914/BC3915) Simpson Racing Compatible with these FIC injectors:Valve guides are crucial components that wear over time, especially with high revving engines. To maintain proper tolerances and ensure optimal performance, it's recommended to replace worn guides with new aftermarket ones. BC premium valve guides for the 4B11 engine are crafted from Manganese Silicon Aluminum Bronze alloy, CNC machined to precise tolerances. They offer resistance to cracking and corrosion, reduce friction, and ensure ample