Spoon Sports Rigid Collar - Mazda CX-7 ER3P - Full Kit Nismo The system runs a prepreg

The system runs a prepreg carbon fibre Venturi housing and a high-flow double cone air filter to route air to the turbo

In order to secure the performance required of head gaskets

By reducing harmful torsional vibrations

RB25DET and RB26DETT equipped models such as Skyline

25 thread pitch fits many popular applications for Honda K20/K20 and other engines

Spoon Sports Rigid Collar - Mazda CX-7 ER3P - Full Kit Nismo The system runs a prepregDeveloped 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