Engine Blocks & Builds

IAG’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 CNC’d cast inserts that strengthen the weakest point of the OEM case at the upper sleeve. IAG’s Stage 3 Closed Deck is…

Our Billet Oil Seperator Cover is the perfect addition to any engine build to guard against future oil leaks. Throughout the years Subaru produced oil separator covers using a variety of materials such as: cast aluminium, plastic and pressed steel. Many of the later designs were manufactured purely as a cost saving exercise and as…

A complete set of replacement block case bolts to compliment any new engine build. Contains all the necessary bolts to join both engine block halves together, offering a perfect fit and improved appearence.

Power, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit. When thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choices wisely. Building a new engine, or rebuilding your existing engine is something you should only need…

Power, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit. When thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choices wisely. Building a new engine, or rebuilding your existing engine is something you should only need…

Power, Torque, Strength and reliability. These are all benefits brought to you with the RCM 2.1 stroker kit. When thinking of purchasing any engine components (in particular a complete stroker kit) it becomes vital that you make your choices wisely. Building a new engine, or rebuilding your existing engine is something you should only need…

This simple adptor bolts into place on your block, where you can remove an existing bung. It allows for a Defi type sensor to be installed to monitor either oil temperature or oil pressure, depending on your needs. This removes the need to install a sandwich plate behind your oil filter to fit more than…

RCM Heavy Duty Block Case Location Dowel Pair. These dowels are to replace the standard Subaru dowels (between the block halves) which are not available to buy. They are a much thicker dowel than the standard, and are threaded to make removal an easier process.

RCM Stainless Steel Block Adaptor which screws into the bottom of the engine block connecting to the oil cooler modine water hose. Being made from Stainless steel, it completely eliminates the problem of corrosion, this is a direct replacement for the Genuine Subaru part. The OE part is prone to rust and corrosion, and isn’t available…

Our Billet Gudgeon Pin Cover & Oil Seperator Cover kit is the perfect addition to any engine build to guard against future oil leaks. Throughout the years Subaru produced oil separator covers using a variety of materials such as: cast aluminium, plastic and pressed steel. Many of the later designs were manufactured purely as a…