Spoon Sports Rigid Collar - Nissan Fairlady Z Z31, HZ31, GZ31, HGZ31 - Front Intake Manifold is responsible for controlling the

is responsible for controlling the engine idle speed by regulating the amount of air entering

The inserts are also equipped with a magnetic backing

adversely affecting maneuverability

cutting restriction and holding intake air temperatures (IATs) steady

whilst providing additional shock protection to the gear mechanism

Spoon Sports Rigid Collar - Nissan Fairlady Z Z31, HZ31, GZ31, HGZ31 - Front Intake Manifold is responsible for controlling theDeveloped 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