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Promaxx Performance & replacement cylinder heads for Ford Powerstroke, Dodge Ram Cummins, GM 6.5L, & 6.6L Duramax diesels.
Brand: ProMAXX Performance
Part Number: CHE855N
ProMaxx Performance designed/developed this cylinder head from the GM 6.5 diesel casting. This is a cast iron direct bolt on replacement for your 6.5 diesel. This head has Strait intake bolt holes in the cylinder head. This head in mostly found in GM 6.5 Diesel Trucks.
Standard heads typically us..
$588.89
Brand: ProMAXX Performance
Part Number: CHE871NB
Fits: 2004.5-2005 GM 6.6 Duramax LLYThe ProMaxx Bare Aluminum Cylinder Head allows you to custom build the cylinder heads you need for you 2004.5-2005 GM 6.6L Duramax LLY. ProMaxx Performance's cylinder head is the answer to Duramax's crack-prone cylinder heads. This cylinder head was designed ..
$647.22
Brand: ProMAXX Performance
Part Number: FOR852NB
The ProMaxx FOR852NB Bare Replacement Cylinder Head is a high quality replacement for your 2008-2010 Ford 6.4L Powerstroke. Built with thicker castings in crack prone areas, these heads undergo extensive testing and quality control to ensure that you receive the best product possible for your 6..
$783.33
Brand: ProMAXX Performance
Part Number: CHR418N
Fits: 1989-1998 3.9L 4BT Cummins
This ProMaxx Replacement Cylinder Head is a direct-Fit replacement for the damaged or cracked cylinder head in your 3.9L 4BT powered vehicle. This cylinder head is a new casting and comes ready to put in truck with all new valves, valve seals, springs, retai..
$863.89
Brand: ProMAXX Performance
Part Number: CHE872N
Fits: 2001-2004 GM 6.6L Duramax LB7 ProMaxx Performance has the answer for the epidemic of cracked GM Duramax 6.6L cylinder heads. Designed by ProMaxx from an OE casting, ProMaxx improved the casting strength with greater thickness in all crack prone areas. Developed as a direct bolt-on re..
$1,261.11
Brand: ProMAXX Performance
Part Number: CHE871N
Fits: 2004.5-2005 GM 6.6 Duramax LLYThe ProMaxx Aluminum Cylinder Head is a fully assembled replacement cylinder head for your 2004.5-2005 GM 6.6L Duramax LLY. This cylinder head from ProMaxx Performance is the remedy to Duramax's crack-prone cylinder heads. This replacement cylinder head was design..
$1,261.11
Brand: ProMAXX Performance
Part Number: FOR852N
The ProMaxx FOR852N Replacement Cylinder Head is a high quality replacement for your 2008-2010 Ford 6.4L Powerstroke. Built with thicker castings in crack prone areas, the ProMaxx Cylinder Heads undergo extensive testing and quality control to ensure that you receive the best products possible ..
$1,316.67
Brand: ProMAXX Performance
Part Number: 9601
DX Diesel Xtreme is our newest heads on the market. It is taking the diesel market to places it has never been before. An aluminum version of what has always been a cast iron cylinder head. They’re now lighter and stronger than it’s cast iron brother and has been tested for the past ..
$1,538.89
Brand: ProMAXX Performance
Part Number: CHR618N
1988-1998 Dodge Ram 5.9L Cummins 6B 12 Valve Diesel Fully Loaded Cylinder Head
By: Promaxx Performance
Due to some quality inconsistencies we HIGHLY recommend that at a bare minimum you have the surface of these heads checked for flatness and the valve job checked before installation. Other pl..
$826.39
Brand: ProMAXX Performance
Part Number: CHR621N
Made by ProMaxx
Thicker castings in crack prone areas
New head complete
No core charge
Note: Although this is a new head you should always check for flatness and proper valve recession before installing. Most Cummins head requires resurfacing before install.
Sold as a co..
$1,877.78
Brand: ProMAXX Performance
Part Number: FOR850N
ProMaxx Performance developed/designed this cylinder head from the OE casting. This is a direct bolt on cast iron cylinder head to replace your factory casting.
Part number: FOR850N
Superseded Part number: FOR850-1..
$1,261.11
Brand: ProMAXX Performance
Part Number: CHR620N
The ProMaxx 1998.5-2002 Dodge 5.9L Cummins Replacement Cylinder Head is a direct replacement for your casting #627. 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, spr..
$1,877.78
Brand: ProMAXX Performance
Part Number: FOR851N
ProMaxx Performance developed/designed this cylinder head from the OE casting. This is a direct bolt on cast iron cylinder head to replace your factory casting.
Part number: FOR851N
Superseded Part number: FOR851-1..
$1,261.11
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