IAG Fire-Lock Head Gaskets (1 Pair W/ Fire-Lock Rings) 100mm, .051, for 14mm Head Studs - Subaru EJ25 / EJ257 FK8 Wheels Type: Single Conical Ovate Wire

Type: Single Conical Ovate Wire

Rear Topmount: No

While the Eibach Pro-Kit and Sportline performance spring kits are regarded as the primary suspension performance enhancement

Kit includes:

- Stage 1 Clutch

IAG Fire-Lock Head Gaskets (1 Pair W/ Fire-Lock Rings) 100mm, .051, for 14mm Head Studs - Subaru EJ25 / EJ257 FK8 Wheels Type: Single Conical Ovate WireAfter years of research and development testing, the IAG Performance Fire Lock head gasket is the newest solution to preventing head gasket failure on high horsepower and high boost Subaru EJ25 engines. This solution is loosely derived from diesel technology where a counterbore step is machined around each cylinder bore allowing specially sized fire rings to drop into the machined area and head gasket bores. The shims are designed to create a