Spoon Sports Rigid Collar - Mazda Biante CCFFW, CCEFW, CCEAW, CC3FW - Front MB844818 These are made from 6061

These are made from 6061 aluminum with a black powder coated finish

At the heart of every Gobstopper engine you'll find the Arrow crankshaft

The internal spring can also be swapped our for something stiffer/lighter so you can set the level of resistance you prefer

This is not specific to locking VTEC

Spoon Sports Rigid Collar - Mazda Biante CCFFW, CCEFW, CCEAW, CC3FW - Front MB844818 These are made from 6061Developed 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