Spoon Sports Rigid Collar - Subaru Impreza Sports, HV GH2, GH3, GH6, GH7, GH8 - Rear RamAir We have been reliably running

We have been reliably running these gaskets on wet deck Bullet Billet blocks which utilize 1/2" head studs at 1400+whp

traditional spanners often leave unsightly marks and scratches on the fittings

A must-have if you regularly use your Skyline on track

these Mugen high pressure radiator caps raise the pressure inside the radiator which in turn raises the coolant boiling point and increases cooling efficiency

Runs on the same highly acclaimed PC Link software as G4X

Spoon Sports Rigid Collar - Subaru Impreza Sports, HV GH2, GH3, GH6, GH7, GH8 - Rear RamAir We have been reliably runningDeveloped by Spoon Sports, the Japanese Honda tuning specialists, Rigid Collars are precision machined aluminium rings that lock your subframe to the chassis. Factories drill the subframe bolt holes oversized so components drop in fast on the production line, and that clearance stays for the life of the car. It leaves the subframe sitting a fraction off centre, dulling steering response and letting vibration through the floor. Fit a set and the bolts