5.9L Freedom Series Cummins Cylinder Head (Performance)

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Usually ships within 24 hours
Regular price $5,250.00

5.9L Freedom Series Cummins Cylinder Head (Performance)

Each cylinder head is manufactured in a state-of-the-art cylinder head machine shop and guaranteed to meet or exceed factory specifications. All heads are inspected, pressure checked, decked, painted, and ready for installation. Plus, the 11 screw in freeze plugs ensure you’ll never worry about a coolant leak under the valve cover again. Whether you are sled pulling, drag racing, or just looking for extra power when towing our 5.9L Performance will get you the power you need and are rated up to 1,100hp! 

Features

  • Fire ring the cylinder head (All in the head)
  • 11 screw in freeze plugs (eliminates coolant leaks)
  • Hardened, oversized press in valve seats
  • New valve guide liners
  • Manley 1.300" stainless valves
  • 105 valve springs and steel retainers
  • Fire ring gasket kit with multi-layer steel gasket and 4.550" diameter rings

Warranty

  • 12 Months Parts

Note

  • Sending your core in after receiving your order will result in an upfront core charge amount of $500 to be refunded upon the return and inspection of the core
  • Damaged cores that do not comply with manufactures core return guidelines will not be refunded
  • Return Core Shipping Costs are at the purchasers expense

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Parts You Can Trust. Performance You Can Feel.

Looking for proven diesel performance parts that actually fit and perform? We stock hand-selected upgrades for Duramax, Cummins, and Powerstroke platforms — no guesswork, no junk.

From tuning and exhaust to suspension, engine internals, and recovery gear, everything we carry is backed by real-world testing and used by builders who know what works. If it’s on our site, it’s here for a reason.

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