RCM500 2.1L High Compression Closed Deck Block Short Engine 51220-SR3-003 This leads to very cold

This leads to very cold intake air temperatures

Horsepower gains of +5 to 10 hp from the cold air intake system

Where many manufacturers will offer universal fitment injectors and leave it to the end user to make them work

The kit also includes all necessary hardware and instructions for easy installation

Please note that by installing these bushings you are removing the rubber inserts that dampen noise and vibrations

RCM500 2.1L High Compression Closed Deck Block Short Engine 51220-SR3-003 This leads to very coldRCM500 2. 1L High Compression Closed Deck Block Short Engine. RCM pride themselves on supplying the ultimate range of custom built EJ Series short engines. We have built an enviable reputation of assembling high powered Subaru power units to a meticulous level of detail not seen in the tuning industry before. This level and depth of expertise is based on 30+ years of experience of working with the Subaru brand along with our Gobstopper race car