ARP DIESEL HEAD STUD KIT 230-4201 - 2001-2016 GM 6.6L Duramax 6.7 Intake & Air Related Systems This turbo features a 4"

This turbo features a 4" ported housing with drilled anti-surge for better flow

Not only does this new turbo design outperform anything else on the market

These billet 7075 Aluminum plenum inserts are a Riffraff Diesel original design and are patent pending

Our redesigned Jetfire 74x70 quick spool 10 blade turbine wheel

ARP premium grade bolts feature an exclusive

ARP DIESEL HEAD STUD KIT 230-4201 - 2001-2016 GM 6.6L Duramax 6.7 Intake & Air Related Systems This turbo features a 4"2001 2016 GM 6. 6L Duramax LB7 LLY LBZ LMM LML In order to overcome the ever popular head gasket failures on todays high performance diesel engines, industry leader ARP has introduced extra heavy duty head studs for the popular Ford, Dodge and GM diesel powerplants. These ARP studs are rated at extreme psi tensile strength, and provide the clamping force required to keep cylinder heads from lifting due to higher combustion pressures. The studs are