RCM EJ20 Closed Deck Block Assembly Defi Please note that this component

Please note that this component is not compatible with shift boot collars and only works with Hybrid Racing shifters

Alpha Valve Springs are able to prevent valve float and maintain valvetrain stability at engine speeds in excess of 10

This gasket features the stock bore but has an easily removable section to bump the bore up to 70mm for throttle body upgrades making it easier for you

The NGTRX is Designed to suit the blue plug Nissan RB engine

35L Closed Deck Block Short Engine

RCM EJ20 Closed Deck Block Assembly Defi Please note that this componentEJ20 Closed Deck Block. There are no longer any new closed deck blocks available to buy. We source low mileage blocks from a number of sources, and prepare them ourselves ready for your build. Each block is thoroughly inspected, before undergoing our intensive cleaning process, bringing the surface of the block back to life. New oil squirters and washers are fitted, along with new block case location dowels, and the block is then fixed together with