- Engines & Components
- Cylinder Heads
- ProMaxx Performance Cummins Diesel Cylinder Heads
Brand New Replacement Diesel Cylinder Heads
ProMaxx Performance has the answer for the epidemic of cracked cylinder heads for Cummins 4BT, 6BT, 5.9L, and 6.7 engines. Developed and designed after an OE casting for direct bolt-on replacement, ProMaxx improved on casting strength and thickness in all the crack-prone areas for durability. ProMaxx diesel heads for Cummins are available as fully machined bare casting or fully assembled.
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4BT 8-Valve
1989-1998 5.9L 12-Valve 6BT
ProMaxx Performance CHR618N
ProMaxx Performance CHR618N Cylinder Head for Cummins Diesel 5.9L 6BT 12V Assembled
$711.00
(9)
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
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$711.00
(9)
Estimated to ship direct from manufacturer on 09/24/24, pending manufacturer availability.
Lowest Price Guarantee
1998.5-2002 5.9L 24-Valve Casting #627
ProMaxx Performance CHR620N
ProMaxx Performance Cylinder Head for Cummins Diesel 5.9L 24V #627 Non-Common Rail Assembled
$1,841.00
Ships Monday
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2007.5-2017 6.7L 24-Valve
ProMaxx Performance CHR621N
ProMaxx Performance CHR621N Cylinder Head for Cummins Diesel 6.7L 24V #7225 #7221 Common Rail Assembled
$1,841.00
(2)
Ships Monday
FREE Shipping
Lowest Price Guarantee