Promaxx FOR85XN Replacement Cylinder Head

ProMaxx performs the following tests and procedures: All fuel rails are drilled and checked, All heads are push rod clearanced, glow plugs and injectors are test fit, all recession depths are checked, all heads are pressure tested, all holes are tapped including glow plug threads and each head gets an in-house valve job.

Sold individually 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"
• Available For 18MM & 20MM Dowels 
• No Core Charge! 
• Sold Individually 

Note: Model year ranges are suggested applications. Please confirm dowel size on your truck before ordering.