PHR - Powerhouse Racing Billet Serpentine Belt Tensioner Damper Arm for 2JZ, 5 speed and 6 speed 2JZ 90mm Rocker Ratio: Intake: 1

90mm Rocker Ratio:   Intake: 1 Exhaust: 1 Nett Valve Lift:   Intake: 9

but add silicone dust boots for extended service intervals and anti-rattle rotor mounting hardware for quieter operation

Monitoring exhaust back pressure is one of the most useful things you can do on a turbocharged engine

Unlike a conventional plate-style limited slip differential

PHR - Powerhouse Racing Billet Serpentine Belt Tensioner Damper Arm for 2JZ, 5 speed and 6 speed 2JZ 90mm Rocker Ratio: Intake: 1PHR Powerhouse Racing Billet Serpentine Belt Tensioner Damper Arm for 2JZ, 5 speed and 6 speed Part # PHR 010110A2 This simple arm is a dress up item for the manual transmission 2JZ's. All manual Supra's serpentine belt tensioners had this little arm bolted to it to attach a damper to reduce noise and vibration of the arm. Unfortunately, it's an ugly cast iron piece. Use the PHR arm to dress up that front of your engine. This thing looks terriffic