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Does A 520 Chain Conversion Increase Horsepower? | Mythbusters Justin Fivella, Photography by Justin Fivella posted Aug 8th, 2011 at 11:00am http://2wheelwiki.com/wp-content/uploads/2014/12/ 17 1109-sbkp-01-o+520-conversion-increases-power-and-torque+.jpg http://2wheelwiki.com/wp-content/uploads/2014/12/ Enlarge Image With the same gear ration intact the 520 conversion bumped power and torque by a few notches. 1109-sbkp-01-header+rk-520-chain-and-vortex-sprockets+.jpg http://2wheelwiki.com/wp-content/uploads/2014/12/ Enlarge Image 1109-sbkp-01-o+rk-520-chain-and-vortex-sprockets+.jpg http://2wheelwiki.com/wp-content/uploads/2014/12/ Enlarge Image The RK 520… read more »