Kroyer Racing Engines
Stage 3 Motor Kit
Unlock the power potential of your RZR with the Kroyer Racing Engines Stage 3 Motor kit. Proven performance and reliability make this engine package a perfect alternative to installing a turbo kit or as an option when rebuilding your tired or worn out motor. No loss in drivability and is designed to run on pump gas.
Kit Includes:
- 81.5mm Big Bore Cylinder & Piston Kit (core required for serviceable stock bore cylinder)
- CNC Ported Head with oversize valves and springs (core required for serviceable stock head)
- Billet Cam with new lifters and chromoly push rods.
- 46mm Bored Throttle body and matching billet intake manifold (core required for stock throttlebody)
- Adjustable PRV (oil pressure relief valve)
- Clutch kit
- Gasket Kit
- Joe Gibbs Break-in oil, O.E. Polaris oil filter and spark plugs
- ECU upgrade tuned specifically for the Kroyer Motor kit. No “Piggy-back” style fuel controller needed.
Gain up to 7 additional hp with a Muzzy’s dual exhaust system! Include it with your motor kit. Choose the option below.
*Be sure to select your typical riding elevation and tire size so that appropriate clutching can be included.
Useable cores required for exchange or additional charges will be included. (Useable core= stock part that has not been modified or broken and can be reconditioned)
*If a core is received and determined to be un-useable, it will be returned and no credit will be applied for that part.
- Cylinder
- Head
- Throttlebody
- ECU
Send Cores to:
ATTN: Core Exchange
Holz Racing Products
6226 Chasteen Rd.
Lynden, Wa 98264
* Be sure to include your name and contact information to ensure credit is applied accordingly.
Click Here***To view the Install Instructions
