ProMaxx CHR621N Replacement Cylinder Head
Manufacturer: ProMaxx Performance
Manufacturer Number: CHR621N
XDP Part Number: PXCHR621N
07.5+ Dodge 6.7L Cummins (#3977225 - #3977221)
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
- New Casting
- Improved Casting In "Problem Areas"
- No Core Charge!
Fits casting numbers #3977225 - #3977221
Truck Freight Item: Allow 1-2 Weeks for delivery. Truck freight charges apply.