High quality cast piston made with dedicated tooling and molding  Made from Hypereutectic alloy for extra strength and reduced expansion  Full MOS2 skirt coating for improved breaking in and resistance to scuf...

Piston and Ring Installation: Remember never install chrome rings in chrome plated, nikasil or electrofusion cylinders.  Prior to installation, fit each ring into the cylinder bore and measure the end gap to elimin...

Designed to remove and install the jam nut ...

General replacement quality. Refer to the chart to find your model.   ...

General replacement quality. Refer to the chart to find your model.   ...

Works with any tire size  Raises the engagement/stall of the clutches for a hard-hitting  Great for mud racing, competition pulls, drag racing, or aggressive trail riding  Harder hole shot for off-the-lin...

Our best all around use kit  Great for trail riding, occasional mud and sand riding, plowing and hauling  Better low end and midrange acceleration  Quicker backshift which results in crisp throttle respon...

Largest selection of springs to tune from.  Designed from the highest quality material.  All EPI springs manufactured using a 5% tolerance which is the lowest in the industry.  ISO 9000 Certified.  F...

Largest selection of springs to tune from.  Designed from the highest quality material.  All EPI springs manufactured using a 5% tolerance which is the lowest in the industry.  ISO 9000 Certified.  F...

Our best all around use kit  Great for trail riding, occasional mud and sand riding, plowing and hauling  Better low end and midrange acceleration  Quicker backshift which results in crisp throttle respon...

Kit contains all the bearings, bushings, pins, seals, etc for the independent suspension arms (frame and knuckle side).   Designed for ATV & UTV ...

Kit contains all the bearings, bushings, pins, seals, etc for the independent suspension arms (frame and knuckle side).   Designed for ATV & UTV ...

The highest quality ATV / UTV belt available.  An EPI exclusive product  Deep Double cog style belt helps reduce clutch heat.  Designed for Severe Duty applications such as high horsepower, heavy load &a...

Close tolerance due to dedicated drum construction gives clutching efficiency.  Hand measured for consistent sizing  Designed for higher horsepower and big bore ATV’s / UTV’s.    ...

The highest quality ATV / UTV belt available.  An EPI exclusive product  Deep Double cog style belt helps reduce clutch heat.  Designed for Severe Duty applications such as high horsepower, heavy load &a...

Kit includes the necessary hardware required to convert tie rod end to the current Polaris design. ...

Heavy duty sintered metal pads.  Increased density for longer life.  Recommended for mud, sand and utility use.    ...

Exact replacement components to rebuild and return your suspension to like-new condition  Each kit contains all the bearings or bushings, hardened pins. Seals and spacers needed  Each kit services ONE a-arm&nb...

Includes all bearings, seals, shafts, bushings, thrust bearings (if required) needed to completely repair the swing arm.  Components vary by model.    ...

EPI warrants its products to be free of defects in material and manufacturing for 1 year from the original date of purchase. This does not apply to electrical components, normal wear or conditions resulting from misuse, ...