Upgrade your 6.5L Chev Diesel with ProMaxx aftermarket replacement cylinder heads. Designed as a reliable, cost-effective alternative to original GM castings, these heads feature diamond pre-cups, accurate valve depth and properly machined surfaces.
Each cylinder head is blueprinted and assembled in our own machine shop to ensure quality and consistency. Available in both truck and van configurations, with centre-mount and side-mount options to suit different engine setups.
Key Features:
- Complete 6.5L turbo-spec aftermarket cylinder head
- Diamond pre-cups
- Accurate valve depth and true machined surfaces
- Blueprinted and assembled in-house
- Available in truck and van configurations
- Centre mount and side mount options available
- No core charge
Can be purchased individually for $1,650 each.


















