Spoon Sports Rigid Collar - Toyota Corolla Touring, HV MZEA12W, MZEA17W, ZWE219W - Rear 21111AA026 The STI Rear Differential Mount

The STI Rear Differential Mount is produced by STI in Japan

When opening the intake valve during high acceleration the G from the camshaft requires to send as much mixture to the cylinder

K20 gearboxes in particular are well known to become 'notchy' over time

Requiring minimal clearance

600” while keeping the coil bind height for higher lift camshafts

Spoon Sports Rigid Collar - Toyota Corolla Touring, HV MZEA12W, MZEA17W, ZWE219W - Rear 21111AA026 The STI Rear Differential MountDeveloped 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