Bottom End

• Offers more power than the 525 cams without sacrificing low end torque • Extremely smooth cam lobe layout maintains quiet valve train and produces the smoothest cruise power band available • Excellent bolt-in camshaft for stock to mid 96" and 103"...

• Offers more power than the 525 cams without sacrificing low end torque • Extremely smooth cam lobe layout maintains quiet valve train and produces the smoothest cruise power band available • Excellent bolt-in camshaft for stock to mid 96" and 103"...

• Carburetor and or throttle body work required along with a performance exhaust and intake system • Maintains low end performance with eye-blurring mid and top end power • High-performance valve springs, pushrods and lifters required • 2500-6900+ RPM...

• Fierce performing camshaft for an array of engine sizes, large displacement 103", 110" and 124" engines looking for a superior torque band with excellent horsepower gains in heavy bikes (2200-6250) • Smaller high-revving displacement 95" style engines...

• Carburetor and or throttle body work required along with a performance exhaust and intake system • Maintains low end performance with eye-blurring mid and top end power • High-performance valve springs, pushrods and lifters required • 2500-6900+ RPM...

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 durabilityComplete and ready for installationCompletely...

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 durabilityComplete and ready for installationCompletely...

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 clearance between cam lobes; as a result, higher cam...