IAG Stage 3 EJ25 Closed Deck Block Engine_Stroker Kits Each kit includes x4 dowels

Each kit includes x4 dowels

Enlarged ID chamfers on bearing edges where required to accomodate large fillet radius on performance crankshafts

This particular option allows the oil feed to be taken from the original oil filter location by way of a sandwich plate (not supplied)

Our dowels are each precision cut and opened

IAG Stage 3 EJ25 Closed Deck Block Engine_Stroker Kits Each kit includes x4 dowelsIAG's Stage 3 Closed Deck converted case halves were created to be the most affordable, cost effective short block modification for the Subaru EJ25 turbo engines. The deck surface is machined to accept specially CNCd cast inserts that strengthen the weakest point of the OEM case at the upper sleeve. IAGs Stage 3 Closed Deck is suitable for street or race use. What is a Closed Deck Block and why do I need it? The factory Subaru EJ25 case is referred to