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The RCM700 2.1L High Compression Closed Deck Block Short Engine is a high-compression Subaru EJ-series short engine assembled by RCM, built around a closed deck block in 2.1L configuration. Each unit is finished with an individual build tag recording its specification, builder and date. Please contact Scooby Upgrades to confirm exact vehicle and engine compatibility…

RCM Gen 3 High Grip tensioner bracket, tensioner and idler kit for EJ20/22/25 engines, including sequential-gearbox applications.

Low-temperature thermostat, designed to allow coolant to begin circulating earlier in the warm-up cycle than a standard thermostat. Suited to vehicles used on road or track where engine temperatures rise quickly. No specific opening temperature is stated in the supplied information.

This Superstud head stud kit from RCM (14mm/14mm) uses a larger 9/16″ diameter stud made from aircraft-grade S99 steel for Subaru EJ-series engines. Supplied with 12x ARP 9/16″ 8740 chromoly nuts and washers and compatible with RCM head gaskets.

This Superstud head stud kit from RCM (14mm/12mm) is made from aircraft-grade S99 steel for Subaru EJ-series engines. Supplied with 12x ARP M12x1.25 8740 chromoly nuts and washers and compatible with RCM head gaskets.

3-port water pump manufactured by Aisin, using a cavitation-friendly cast impeller to maximise coolant flow. Kit includes the water pump complete with gasket and thermostat seal.

Timing belt kit for Subaru EJ20/22/25 engines, built around RCM’s High Grip tensioner bracket. Fitted with HKS timing belt.

Timing belt kit for Subaru EJ20/22/25 engines, built around RCM’s High Grip tensioner bracket. Fitted with STI timing belt.

Timing belt kit for Subaru EJ20/22/25 engines, built around RCM’s High Grip tensioner bracket. Fitted with Genuine Subaru timing belt.

RCM V3/4 uprated valve springs, offering an increased spring rate over the standard genuine spring to help reduce valve bounce at high revs. Unfitted length 54mm, coil diameter 3.8mm, approx. 48g each; seat pressure 33kgf, lift pressure 72.8kgf. Uses the standard spring seat and retainer.