Spoon Sports Rigid Collar - Toyota Corolla Touring, HV MZEA12W, MZEA17W, ZWE219W - Rear 21111AA026 When opening the intake valve

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

resulting in a weight reduction of 100g through repeated analysis

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

it is necessary to shave the bracket on the vehicle body

Found on the top of the block

Spoon Sports Rigid Collar - Toyota Corolla Touring, HV MZEA12W, MZEA17W, ZWE219W - Rear 21111AA026 When opening the intake valveDeveloped 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