Supertech Black Nitrided Intake Valve Set of 8 Oil Lines and Fittings This anodised Billet R180 rear

This anodised Billet R180 rear differential cover has been developed off the back of RCM’s inhouse Gobstopper projects which have been used extensively and successfully in Sprints

We've all heard the stories and seen people get shot down on forums when they ask about BOVs

Firm up your exhaust system with geniuine JDM Group N STI exhaust hangers

For gasoline vehicles

Supertech Black Nitrided Intake Valve Set of 8 Oil Lines and Fittings This anodised Billet R180 rearProduction of Supertech racing valves begins with a one piece forging, where the head of the valve is forged under a slow two step process to keep a good material grain flow. The forging is then CNC machined in several steps to ensure the precision of the final dimensions. We then do another heat treatment for stress relieving followed by a nitride hardening treatment (or coating process depending on the application). Lastly, we do one more grinding,