ProMaxx CHE855N Replacement Cylinder Head

GM 6.5L Diesel (Standard Head)
✔ QuickShips by Next Business Day*
ProMaxx Performance
XDP Part Number:
$5 Price Beat Guarantee
ProMaxx Performance Cylinder Heads are designed as replacement cylinder heads with thicker castings in crack prone areas. Sold as a complete cylinder head with valves, valve seals, springs, retainers and locks, these new castings are sold without a core charge and come ready to install. Sold individually. 


  • New Casting 
  • Improved Casting In "Problem Areas" 
  • Includes Valve Seals, Springs
  • No Core Charge! 
  • Sold Individually 
Note: The standard heads will typically use a 1-piece intake and are normally found in truck applications. Please confirm what is in your vehicle before ordering.
Mfg. Number:

Customer Reviews - Include your order number for a chance to win a $100 GiftCard

(11 Ratings, 1 Review) Average Rating:
Tyler (MARSHALL) 1/13/2017 11:46 PM
good quality heads, replaced stock cracked heads with these, no problems so far with about 2k miles. however the packaging is cheap and one head came damaged but in a corner where it wouldnt affect anything if ground down slightly.