RCM

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.

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

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…

The RCM600 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…

The RCM500 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 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.

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

RCM Black Series dual-port angled thermostatic oil sandwich plate, with oil lines directable at multiple angles to suit twin-scroll, equal- and unequal-length exhaust manifolds. Integral thermostat opens at 85 degC. Supplied with 2x Dash 8 fittings.

Throttle wedge designed for reverse-facing manifold conversions on DBW V7+ manifolds. Welds directly onto the manifold to angle the throttle body forward instead of upward.

RCM Powerparts performance camshaft kit for dual-AVCS Subaru STI V10 applications, covering Impreza/WRX STI (GR/GV) and WRX STI (VA/VAB) models. Please contact Scooby Upgrades for full specification and kit contents, and to confirm fitment, before ordering.