Racing Equipment

This adaptor can be used to fit any universal aftermarket BOV to your Subaru WRX/STI engine.

Bee R the limiter stops the ignition when reaching when the maximum speed so that the mixture can not be degraded as with a conventional limiter

All our BOV are thoroughly tested to make sure the valve opens properly at the set rates on the springs. The allowable errors for opening and closing of...

Features: High quality The blow off valve adapter is made of high quality aluminum alloy, corrosion resistant, reliable for long time use High Performance The blow off adapter...

A boost controller is a device to control the boost level produced in the intake manifold of a turbocharged or supercharged engine by affecting the air pressure delivered...

Pre-curved knurled aluminium pedals 2.5mm thickness suitable for rally use. Already drilled and countersunk and can be shaped as needed

External Fuel Tank 30L Aluminium

External Fuel Tank 40L Aluminium

External Wastegate Turbosmart 38mm

Wastegates are an essential part of any turbocharged powerplant. Controlling boost not only ensures that you are maintaining the correct pressures for the fuel you are running, but...

At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel oem style gaskets. The issue with the...

At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel oem style gaskets. The issue with the...

At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel oem style gaskets. The issue with the...

At GrimmSpeed we have worked with endless amounts of aftermarket gaskets, none seem to work as well as the multi-layer steel oem style gaskets. The issue with the...

Rallye Handbrake