• Lightweight and Durable: The ACT XACT Streetlite flywheels are significantly lighter than stock, offering maximum strength and long - lasting performance. • Ideal for Racing: Perfect for street or drag racing, giving you an edge on the track. • Serviceable Design: Can be resurfaced without buying additional parts, saving you time and money. 600145 - 03 is a flywheel kit for various Mazda RX - 7 and RX - 8 applications, complete with an ACT counterweight. The flywheel counterweight is required when installing the XACT flywheel on Mazda RX - 7 and RX - 8 rotary applications. Materials are properly distributed for lower inertia, good heat tolerance and rigidity. This Part Fits:

Year	Make	Model	Submodel
2008	Mazda	RX - 8	40th Anniversary Edition
2004 - 2007	Mazda	RX - 8	Base
2008 - 2011	Mazda	RX - 8	Grand Touring
2009 - 2011	Mazda	RX - 8	R3
2005	Mazda	RX - 8	Shinka
2008 - 2011	Mazda	RX - 8	Sport
2008 - 2009	Mazda	RX - 8	Touring

This flywheel kit is great for Mazda RX - 7 and RX - 8 owners who love street driving or drag racing. It makes your car more responsive and powerful. The flywheel is lighter than the stock one, which helps with acceleration. It's also durable and can be resurfaced easily. It fits multiple Mazda RX - 8 models from 2004 to 2011, so you don't have to worry about compatibility.