Engine

Bronco® offers OEM replacement valves for both ATV and UTV modelsOEM replacement valves are made of durable SUH35B heat resistant steel that also comes with fill Nitride finish for further durability and resistance to corrosionPerformance valves receive...

Bronco® offers OEM replacement valves for both ATV and UTV modelsOEM replacement valves are made of durable SUH35B heat resistant steel that also comes with fill Nitride finish for further durability and resistance to corrosionPerformance valves receive...

Bronco® offers OEM replacement valves for both ATV and UTV modelsOEM replacement valves are made of durable SUH35B heat resistant steel that also comes with fill Nitride finish for further durability and resistance to corrosionPerformance valves receive...

Feature Koyo and Nachi precision Japanese crank bearingsThe crankshaft seals feature a carbon/fluorocarbon pad on the seal lip and stainless steel garter springsReduces startup friction enhancing dry start performance and reducing crank pin wear

Feature Koyo and Nachi precision Japanese crank bearingsThe crankshaft seals feature a carbon/fluorocarbon pad on the seal lip and stainless steel garter springsReduces startup friction enhancing dry start performance and reducing crank pin wear

ATV/UTV Cooling Fan Assemblies Complete Fan and Motor Assemblies that are direct OEM replacements and ready to mount.

Wiseco Cam Chain Cc045

CNC machined from billet aluminumReplaces factory automatic/hydraulic tensionerStops out of timing issues and timing chain rattling caused by automatic tensioner failureEliminate timing chain over-tension/premature engine wear caused by hydraulic...

We choose to use C630 nickel bronze as a material to make valve guides because of its ideal characteristics for the application. The 5 percent nickel content provides superior resistance to wear, and the 80 percent copper content delivers outstanding...

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...

WE RACE ON THE TRACK, NOT THE DYNO! Most camshaft designs are developed only on a dyno. Good camshaft designs not only increase power, they also improve throttle response. However, more power and better throttle response is a difficult design problem...