Spoon Sports Rigid Collar - Mazda Spiano HF21S - Front 52325-S84-A01 including compliance with the stringent

including compliance with the stringent fuel-economy and low-SAPS requirements of modern Toyota and Lexus engines

this flywheel trims rotational mass compared to stock units—delivering noticeably sharper throttle response and quicker engine revs and deceleration

This is a set of four (4) M10 x 1

expect notable torque and horsepower gains across the rev range

Spoon Sports Rigid Collar - Mazda Spiano HF21S - Front 52325-S84-A01 including compliance with the stringentDeveloped 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