Finally a performance level worthy of this great, lightweight chassis. The Stage 4 kit adds cylinder porting for incredible horsepower on today’s pump fuel (91 octane minimum). This kit provides a 20.8 horsepower and 11 ft/lbs of torque gain over stock while reducing weight by 3.7 lbs on 2011-12 models (5.5 lbs on 2013-15). WOW! In the field from the minute you touch the throttle, you realize just how well this package performs. It provides awesome low end grunt and really legs out on top. The power of the engine is finally mated perfectly with the weight and revolutionary design of the chassis. Order yours today.
Available for all elevations.
Cylinders required for modification.
• SLP Powder Valves™ (#14-136)
No Instuction available.
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