Brian Crower Exhaust Valves 33mm (+1mm head diameter) WRX 2002-2014 / STI 2004-2021 | BC3605-S Vehicle Model_RSX Drilling is not required

Drilling is not required

2x Rear Sport Drilled Rotors

Sport Compact and Motorcycle markets

Offset: +38mm

Brian Crower Exhaust Valves 33mm (+1mm head diameter) WRX 2002-2014 / STI 2004-2021 | BC3605-S Vehicle Model_RSX Drilling is not requiredBC valves are made from premium stainless steel, fully machined and swirl polished for ultimate air flow. Dished head for added weight savings and increased valve control at high rpm. Standard and oversize head. To ensure you get the correct length valves you must measure your stock valves as Brain Crower valves are available in 104. 78mm and 106. 12mm over all length. Notes: Sold in sets of 8. Oversized valves required headwork to be compatible.