Spoon Sports Rigid Collar - Subaru Vivio KK4 - Front Denso The RCM 11mm Performance Head

The RCM 11mm Performance Head Stud Kit is the perfect addition to any high performance engine build

Aluminium CNC-machined MAF housing specifically designed for the OEM sensor to retain safe air to fuel ratios

High performance ‘MAF Safe’ twin layer dry foam

our patented Ultra Race Intake Manifold features massive increases in airflow

PFF76-925BLK Upper Engine Mount Insert is an affordable and easy-to-fit bush insert made from our Black 95A Durometer high-performance material

Spoon Sports Rigid Collar - Subaru Vivio KK4 - Front Denso The RCM 11mm Performance HeadDeveloped 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