The 6.7 L is the first medium duty diesel designed and built by Ford. It was designed in conjunction with AVL of Austria. During design, Ford engineers codenamed this engine "Scorpion" due to...More Details »
For the 2003 model year, the 5.9L 24 Valve Cummins was introduced with Bosch high pressure common rail fuel injection system, again increasing power output to 305 HP 555 ft-lbs.
See our 5.9L Cummins products below!
6.7L is the latest version of the B Series. It is currently the largest straight-six engine produced for a light duty truck. It produces 350 horsepower and 650 pound-feet in the 2007.5 and newer Dodge 2500/3500 pickup trucks.
RPO LB7 (engine code "1") was first introduced in 2001 and continued until early-2004. It is a 32-valve design with high-pressure common-rail direct injection and an experimental composite design cylinder head.
SEE LB7 PRODUCTS BELOW
There are two VIN codes for the LBZ. The first is VIN 2. While it is the LBZ it has LLY tune tables.
Second is VIN D. This was introduced in late 2005 and continued into 2007 sold only in the...More Details »
The LLY (engine code "2") 402.7 cu in. turbocharged engine which debuted 2004.5 until the end of 2005. It is a 32-valve design with common-rail direct injection and aluminum cylinder heads. The...More Details »
The 6.6L RPO LML (VIN code "8") is the latest version (2011–2016) GM Duramax diesel engine and actually a further advanced version of the LMM engine with the majority of the changes addressing a...More Details »
Description: 2001-2010 GM 6.6L Duramax Victor Reinz Head bolt kit GS33504 for (one cylinder head).2 sets are required for complete motor.
Replacing head bolts is cheap insurance when investing time in money in...More Details »