Engine Blocks & Builds

Genuine Subaru Short Block, as fitted to V7-8 UK STI 6 speed Impreza

An absolute must for any engine builder is this oil resistant 3 bond 1215 grey sealer. Rebuild your engine or transmission with total confidence and peace of mind, knowng you are using the best in the business.

CREST CNC have literally thrown out of the rulebook when it comes to the Subaru EJ block casing. They looked at all of the problems that can be faced when using this in high power applications, and designed their billet block to eradicate these problems. Improved Piston to bore seal can massively increase, these blocks…

CREST CNC have literally thrown out of the rulebook when it comes to the Subaru EJ block casing. They looked at all of the problems that can be faced when using this in high power applications, and designed their billet block to eradicate these problems. Improved Piston to bore seal can massively increase, these blocks…

A Genuine Subaru Block Case Bell Housing Plug. Over time these become brittle and hard and the location tags break off.

Genuine Subaru EJ257 Short Block Assembly Type RA. 10103AD020

CM EJ257 Short Engine Bottom End Rebuild Kit. This kit comprises of the following: 10103AD020 – Genuine Subaru EJ257 RA Short Block (x1) RCM2804 – RCM Low Expansion (4032) Omega pistons Standard 99.50mm Bore size (x1 set) RCM1635 – RCM 11mm Performance Head Stud Kit (x1) RCM1692 – RCM EJ25 2007+ High Performance Head Gaskets…

This is an RCM block case alloy blanking plug which is used on the EJ series block cases. This is a direct replacement for the Genuine Subaru part. The OE part is prone to rust and corrosion, and isn’t available to buy a replacement. The threaded part of the blank measures 36mm and a genuine…

This is a set of x4 RCM WRC EJ20 Nikasil Liners at 92.50mm bore.

This is an RCM block case alloy blanking plug which is used on the EJ series block cases. These are used as gudgeon pin blanking plugs, but can also be used when the oil cooler modine is being deleted. The OE part is prone to rust and corrosion, and isn’t available to buy a replacement.…