Spoon Sports Rigid Collar - Honda Civic, HV, e-HEV EU1,EU3 - Front Turbosmart these Spec C heads are

these Spec C heads are the best choice to make sure you get the most from your new engine build

These specifically work with models that have the auto window up/down function

When we flow tested a conventional air filter design against the Skunk2 filter and used advanced CFD analysis program (below)

providing optimal performance for your vehicle

Spoon Sports Rigid Collar - Honda Civic, HV, e-HEV EU1,EU3 - Front Turbosmart these Spec C heads areDeveloped 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