Stage 1 Cylinder Head Package w /GSC S1 Cams for 02-05 WRX S20 Casting 2013-subaru-wrx-sti Dimension: 13 x 10 x

Dimension: 13 x 10 x 10

The bare castings are visually inspected then fixtured into our in-house Centroid 5-axis CNC Machine

Our test cars serve as daily drivers

The Magnum case is then drilled and tapped to accept 14mm head studs that combined with the IAG Fire-Lock head gasket set greatly reduces head gasket failure during high cylinder pressure scenarios

By 2010 Pedders USA had established industry partnerships with GM

Stage 1 Cylinder Head Package w /GSC S1 Cams for 02-05 WRX S20 Casting 2013-subaru-wrx-sti Dimension: 13 x 10 xIAG Stage 1 Cylinder Head Package with GSC Stage 1 Cams: IAG's Stage 1 cylinder heads are intended for those looking for a cost effective OEM+ replacement. Each package starts with brand new WRX S20 OEM head castings, directly from Subaru of America. The bare castings are visually inspected and then fixtured into our in house Centroid 5 axis CNC Machine. This is one of the most advanced pieces of precision engine machining equipment in the world. In