2003-2009 SV650: Spears Superbike engine with SP12-650 Pistons, (SP15-650)2mm over Head Gaskets, Ported Head,Supersport Style Valve Job, (SP04-650)Lighten Ignition Rotor, M-4 full exhaust,Double intake Camshafts 2nd gen/2nd gen, Bored Throttle Bodies.(after break in) on Race Fuel.**Engine was shipped to customer,Dyno'd at Maximum Performance & Handling Peninsula Ohio**


2003-2009 SV650: Stock Suzuki Pistons, Stock Camshafts,Compared against a Spears Superbike engine with SP12-650 Pistons, (SP15-650)2mm over Head Gaskets, Supersport Style Valve Job, (SP04-650)Lighten Ignition Rotor, M-4 full exhaust,Double intake Camshafts,Bored Throttle Bodies.(after break in) on 91oct Fuel.


2003-2009 SV650: Stock Suzuki Pistons, Stock Camshafts,Compared against a Spears Supersport/Production engine with Stock Suzuki Pistons, (SP15-650HC) Thinner Head Gaskets, Supersport Style Valve Job, (SP04-650)Lighten Ignition Rotor, M-4 full exhaust,Double intake Camshafts, (after break in) on Sunoco EX02 Fuel.


 03/09 SV650 Dyno Sheets