Spoon Sports Rigid Collar - Toyota Vitz GRMN NCP131 modified - Rear Intake Honda HMMF

Honda HMMF

with a custom spring loaded dual toothed belt tensioning assembly

High-performance naturally aspirated and turbocharged racing engines

or you can plug the second port and use it for quick wideband access at the dyno

delivering approximately 10% improved fuel efficiency at cruising speeds

Spoon Sports Rigid Collar - Toyota Vitz GRMN NCP131 modified - Rear Intake Honda HMMFDeveloped 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