IAG Performance AOS Competition to Street Series Conversion Kit Data Logger Accessories 4340 one piece forged billet

4340 one piece forged billet steel I-beam connecting rods and unique JE/Nitto forged piston set along with upgraded thick wall gudgeon pins and premium ring sets

For a heat exchanger of this size

Bearing clearance set

(x2) are required per long block

IAG Performance AOS Competition to Street Series Conversion Kit Data Logger Accessories 4340 one piece forged billetThe IAG AOS conversion kit is designed to switch the upper breather portion of the V3 Competition Series AOS to the V3 Street Series AOS on the 2006 14 Subaru WRX and 2004 20 STI. The kit includes the new billet aluminum Street Series double breather, 1 2" hose, 3 8" hose with integrated PCV valve and hose clamp, 90 degree fittings, straight unions and associated hardware. Includes: (x1) IAG V3 Street Series Air Oil Separator Upper Breather Port (x1)