Cusco Rear Type-RS - 2 Way Limited Slip Differential Subaru STI 2004-2014 vendor_ISR Performance Reduce the chance of boost

Reduce the chance of boost leaks

2002-2005 Subaru WRX

which makes the pulley more than 4lbs lighter then the stock crank pulley

Part #: 692 541 A

2003 - 2009 Nissan 350z w/ Brembos

Cusco Rear Type-RS - 2 Way Limited Slip Differential Subaru STI 2004-2014 vendor_ISR Performance Reduce the chance of boostPart #: LSD 182 L2 Cusco's performance limited slip differentials can help in a number of ways. During turning, the inner driven wheel experiences less weight and can spin freely preventing you from putting the power down while upsetting the car. An LSD will force the other wheel to spin at the same rate, maximizing traction on power out. During acceleration, a stock LSD can often be too weak to lock both wheels allowing one to spin. Cusco's LSDs will