Spoon Sports Rigid Collar - Toyota Progressive JGC15 - Front Bride The water temperature at which

The water temperature at which the engine can produce the most efficient power is 70 to 80C

These rods are ideally suited to B-Series engine builds to the 900+HP range and offer high strength and quality at an affordable price

However if the speed is too high it can damaged the Valves

Designed as a street specific exhaust

Increase of more than 24% in filter efficiency

Spoon Sports Rigid Collar - Toyota Progressive JGC15 - Front Bride The water temperature at whichDeveloped 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