IAG Stage 3 Extreme Closed Deck Short Block (10.5:1 Compression Ratio) - FRS/BRZ/86 Staged Short Blocks FASTER Analog Output Speed helps

FASTER Analog Output Speed helps ensure that your ECU sees changes in air/fuel ratio as they happen

Each set is flow matched to within 1-2%

The case halves are split and the main webs are CNC machined in our Haas VF-4SS CNC mill for 9

Will not degrade from exposure to brake fluid

These are height adjustable for those of you who want to improve the center of gravity in their vehicle

IAG Stage 3 Extreme Closed Deck Short Block (10.5:1 Compression Ratio) - FRS/BRZ/86 Staged Short Blocks FASTER Analog Output Speed helpsIAG Stage 3 Extreme FA20 Closed Deck Short Block The IAG Stage 3 Extreme short block starts with new Subaru FA 2. 0L BRZ 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