1JZ & 2JZ Uprated Timing Belt Tensioner Bracket SpecificationsManufactured from cast steel the OEM tensioner bracket on 1JZ and 2JZ engines can be prone to failure at high RPM and horsepower. After years and numerous heating cycles it is now common to see this part breaking due to fatigue on engines used intensively. A rupture of the timing belt follows with sometimes disastrous consequences.This reinforced bracket is made in the UK by SuperForma fits directly in place of the original part and ensures to protect your engine of this risk of breakage. Precision manufactured from billet aluminium including a steel pin for the original timing belt tensioner to ride on it is also bushed to reduce vibrations and has a long lasting anti-corrosion black anodized finish.