Spoon Sports Rigid Collar - Mazda Mazdaspeed Axela BK3P - Full Kit 3540-TA0-A01 resulting in more accurate ignition

resulting in more accurate ignition timing and stable fueling

Unique heat treatment process for greatly improved resistance to warping

3Kg - Installation without complex adjustments Ready for an exhilarating driving experience that takes the performance of your Subaru WRX STi to a whole new level

PRODUCT UPDATE as of 05/17: After a year of successfully testing a new process in our own race cars

Alpha Series Rods are forged from select 4340 chromoly steel and feature a straight H-beam design

Spoon Sports Rigid Collar - Mazda Mazdaspeed Axela BK3P - Full Kit 3540-TA0-A01 resulting in more accurate ignitionDeveloped 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