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

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

Regular price $ 5,510.00 Sale price $ 5,150.00 Save $ 360.00


The ultimate motor package to take your breath away. This stage 3 motor build kit is based on 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)
  • 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)
  • Heavy-duty Cam tower bolts
  • 625 ARP Head Studs
  • Extreme Duty Packard Head Gasket
  • Oil Pan Gasket
  • Ignition Cover Gasket




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

It 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, or personal injury, so proceed with extreme caution!

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