5.9L Cummins O-ringed Cylinder Head with 105lb springs, gasket kit included(2003-2007)

$2,449.00 Tax

  • Brand new casting, valves, springs, locks, seals
  • 1year/ unlimited mile warranty
  • Includes head gasket kit
  • No core
  • Set it and forget it
  • Includes performance springs 105lbs @ seat
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Description

5.9l O-ringed Cylinder head with Performance 105lb springs and head gasket set. After many years of installing these heads on performance vehicles, we noticed they still had failures on head gaskets around 600Horsepower. To combat these failures, we have designed a new cylinder head gasket to accommodate a O-ring. This kit and a set of our medium strength head studs will withstand 1000HP. We do recommend drilling and tapping freeze plugs under the valve cover when increasing engine RPM.

Notice: Shipping Restrictions to California

Please be advised that we do not ship products to the state of California. This is due to specific regulations outlined by the California Air Resources Board (CARB) regarding aftermarket performance and replacement parts. For more details, please refer to the CARB guidelines available here.

We apologize for any inconvenience this may cause and appreciate your understanding.

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