Manley Exhaust Valves Extreme Duty for 02-05 WRX / 04+ STi (Set of 8) Select Valves::(11139-8) 33mm/+1mm 0XTR Ball Bearing No 400+ Engine Mount
Yard notes & kiln story
Description
Manley Exhaust Valves Extreme Duty for 02 05 WRX 04+ STi (Set of 8) Select Valves::(11139 8) 33mm +1mm 0XTR Ball Bearing No 400+ Engine Mount 0XTR Ball Bearing No 400+ HP BPT EVOX DOM1 • Increases intake diameter by a full 1 2 inch Fits 2002 2005 EJ205 Subaru WRX and 2004 2021 EJ257 Subaru STi Guides may need to be honed when replacing stock factory valves