At GR we can build practically anything you desire engine wise. From refreshing your standard engine to forged builds and even full blown 2.4 stroked race specification builds. We can offer competitive pricing on all builds and all the build work is carried in house in our own specifically designated engine building room.


We can deliver a quick service on any engineering work needed on blocks and heads.

Block work includes honing, rebores, sleeving, decking, larger head stud conversions.

Head work includes porting, polishing, gas flowing, and re-facing.

Please ring us for pricing .


Rod failure on the Evo 4g63 is not uncommon. At  G-R we have developed a proven package that includes a drive in drive out service at a very competative price .


We can also supply top quaility engine internals and valvetrain parts including –

PISTONS – Cp , Wiseco,  JE .

RODS – Carrillo, Manly, Eagle. 

Piston and rod packages (inc long rod kits ).

Valvetrain – Full Supertech range – Uprated valves, springs and retainers.

Cams – Piper or GSC


Please ring us  for pricing or contact us for any information if you are unsure regarding your specification needs.