Bottom End

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...

Camshaft - Single Cam - Stage 3 - Yamaha Yfm660R Raptor 4050-3 Yamaha -- Raptor 660R 4x2 -- (2002, 2005, 2001, 2003, 2004)

High-performance racing camshaftsStage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springsIn most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepowerSelect...

High-performance racing camshaftsStage 1 and Stage 2 performance camshafts are drop-in cams that are designed to be used with stock valve springsIn most applications, Stage 1 cams deliver more torque and Stage 2 cams provide more peak horsepowerSelect...

Camshaft - Single Cam - Stage 2 - Honda Hc00054 Honda -- CRF450R -- (2020, 2017, 2018, 2019); Honda -- CRF450RX -- (2019, 2017, 2018, 2020); Honda -- CRF450RWE -- (2019, 2020)

Camshaft - Single Cam - Stage 1 - Honda Hc00053 Honda -- CRF450RWE -- (2019, 2020); Honda -- CRF450R -- (2017, 2019, 2020, 2018); Honda -- CRF450RX -- (2019, 2017, 2018, 2020)

• Good for 4.25" stroke with 114"-117" engine looking for an agressive bolt in • Produces a wide powerband • Responds very well to increased bore and/or compression, exhaust system and air cleaner • Use of performance valve springs is not required but...

• Great all-around camshaft and Feulings go to for 4-1/2" stroke 114" - 117" looking for a little more than our 465 grind and wanting a bolt-in • Great bottom end with substantial gains above 2,800 RPM when compared to stock • Use of performance...

• Aggressive pulling power with a “nasty” sound, the Reaper 521 grind will shine in 114” and larger cubic inch engines with added compression ratio • Ported cylinder heads are not required, but will complement the cam and add even more pulling power...

• Produces solid bottom-end performance and substantial gains above 2800 RPM compared to the stock cams • Direct bolt-in replacement for M-Eight engines; can be used with stock valve springs, pushrods, lifters and exhaust • Will respond well when used...

• Produces a wide powerband that increases torque and horsepower throughout the entire rpm range • Direct bolt-in replacement for M8 engines; can be used with stock valve springs, pushrods, lifters and exhaust • Will respond well when used with slip-on...

• Produce more power and torque in the riding RPM range, improving throttle response, acceleration and fuel mileage • Smooth camshaft lobe ramps are easier on valvetrain components and eliminate excessive valvetrain noise and wear • Dyno proven and track...