2004 - 2005 IMPREZA WRX STI H4 2.5 T EJ257 GAS. WRX STI LIMITED H4 2.5 T EJ257 GAS 6 Speed. WRX STI SPECIAL EDITION H4 2.5 T EJ257 GAS. SERIES.HYPERBLUE H4 2.5 T EJ257 GAS. All EXEDY racing and performance clutches are well-engineered, designed and built from the ground up as race clutches, in the shadow of the OEM products.
