Spoon Sports Rigid Collar - Honda stream RN3, RN5 - Rear 51450-SDA-A01 Designed to fit almost all

Designed to fit almost all K20 & K24 engines apart from K24Z4

It uses Eventuri's patented Venturi Housing concept to shape airflow and cut drag inside the intake

The centrifugal GT Supercharger allows the torque can be stable at all range of the engine rpm

with replacement intervals of up to 11 years or 137

Skunk2 is a familiar name in the intake manifold business

Spoon Sports Rigid Collar - Honda stream RN3, RN5 - Rear 51450-SDA-A01 Designed to fit almost allDeveloped 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