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The Cometic StreetPro complete gasket kit for 2004–2006 Subaru STI (EJ257, 101mm bore) includes all gaskets and seals needed for a budget-minded street rebuild. Materials in the kit include MLS cylinder head gaskets plus aramid fiber and other quality gasket materials chosen for reliable sealing in street applications. StreetPro kits prioritize comprehensive coverage and durable materials to simplify engine rebuilds without unnecessary extras.
Cometic Street Pro 04-06 Subaru STi 101mm Bore .051 inch Complete Gasket Kit *OEM # 10105AA590*
