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Stage 3 Engine Build Kit (700+ HP) for Yamaha YXZ 1000

Stage 3 Engine Build Kit (700+ HP) for Yamaha YXZ 1000

  • 5,29500

The ultimate motor package to take your breath away. This stage 3 motor build kit is based off all the same components and technology we use in building our in house drag cars running over 800 crank HP.   That is correct, no mistake made 800 crank HP.

Includes the following:

  • Packard Performance Rods (will not work with standard YXZ pistons)
  • Custom CP Forged Turbo Pistons (will not work with standard YXZ Rods)
  • CNC ported head (core required)
  • High performance intake and exhaust cams
  • Valve spring kit 
  • 6 HD intake valves
  • 6 inconel exhaust valves
  • 12 HD shim in cam buckets (AKA anti shim drop buckets)
  • Extreme Duty ARP Head Studs
  • Extreme Duty Head Gasket
  • Oil Pan Gasket
  • Ignition Cover Gasket
  • Packard clutch pack, hat, and lockout assembly.  With over 2 years in the making this clutch assembly is the end all.  Able to deliver 600 WHP yet as driver friendly to be used on 100hp weekend warrior.




YXZ 1000 cylinder head core required to be shipped to us. Purchasing a new cylinder head through us in another option.

May require stronger drive train modifications.

Does not include the engine.

Does not include installation labor.

We assume no liability for damage to the unit or personal injury.

Making any modifications to the OEM fuel system can result in vehicle damage, fire, and or personal injury, so proceed with extreme caution!

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