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Wossner Crankshaft Assembly - Honda Cs4001 Honda -- CRF250R -- (2013, 2010, 2011, 2012)

Wossner Crankshaft Assembly - Yamaha Cs4072 Yamaha -- YZ 250 F -- (2014, 2019, 2016, 2021, 2015, 2018, 2020, 2017)

Wossner Crankshaft Assembly - Yamaha Cs4005 Yamaha -- YZ 250 F -- (2003, 2005, 2007, 2008, 2012, 2006, 2009, 2013, 2004, 2011, 2010)

Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft websFactory assembled and trued to OEM specifications; meet or surpass OEM in performance and...

Sold complete with the original proven Hot Rods connecting rods, top-end bearings and crankshaft websFactory assembled and trued to OEM specifications; meet or surpass OEM in performance and...

Camshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit stock chain driveReverses the rear cam's direction of rotation, providing...

Strongest from 3500-6000 rpm

Camshaft gear drive kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain driveReverses the rear cam's direction of rotation, providing additional operating...

Camshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit stock chain driveReverses the rear cam's direction of rotation, providing...

Strongest from 3500-6000 rpm

Camshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit stock chain driveReverses the rear cam's direction of rotation, providing...

Great way to increase performance at an affordable priceQuick installation - reuse many stock componentsEasy Start cams allow stock starter to start any engine