IAG Stage 3 Extreme FA20 DIT Closed Deck Short Block - Subaru WRX VA Manley What this means for you

What this means for you and your installer is less time fitting guides to the head due to holding the tightest tolerances in the industry with the best quality control possible

Cold-Formed

039 inch Head Gaskets - (PN# SB1001-039 for D25 & B25 Heads

The pipe will also come powder-coated in a nice red finish to provide both a clean look and extra protection against corrosion

IAG Stage 3 Extreme FA20 DIT Closed Deck Short Block - Subaru WRX VA Manley What this means for youIAG Stage 3 Extreme FA20 DIT Closed Deck Short Block The IAG Stage 3 Extreme short block starts with new Subaru FA 2. 0L engine case halves that are machined for improved oiling. Then IAG machines the case halves assembled together in our Haas VF 4SS CNC mill to accept the IAG CLOSED Deck Inserts that transform the block into a solid deck. The unique inserts feature small passages that allow needed coolant flow to the deck surface. The case halves are