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Athena 100mm 490cc Big Bore Cylinder Kit
Suzuki RM-Z 450 Athena's Big Bore kit brings the raw power you have been missing in an easy to install, reliable package that bolts on with no machining needed in most cases, and includes easy-to-follow step-by-step installation instructions Built from race proven designs Chosen by the top race teams in all forms of racing including super cross, motocross, GNCC, superbike, and more Fits the following rides Athena's Big Bore kit brings the raw power you have been missing in an easy to install, reliable package that bolts on with no machining needed in most cases, and includes easy-to-follow step-by-step installation instructions. Constructed from aluminum, the cylinder is lined with a nickel-carb

Price is $873.00
Price: $872.96