X260 Series Head Stud Kit 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML XDP Xtreme Diesel Performance Early Cummins 5.9 3 Powerstroke engine's performance with

3 Powerstroke engine's performance with the KC300x Stage 3 Gen 3 Turbo

or sled pulling application

a 63mm 7x7 SXE style compressor wheel with extended tip technology

CNC Machined

Manufactured using special techniques from the HD and Semi industry

X260 Series Head Stud Kit 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML XDP Xtreme Diesel Performance Early Cummins 5.9 3 Powerstroke engine's performance withThe XDP X260 Series Head Stud Kit XD3009HS is a must have for your high horsepower 2001 2016 GM 6. 6L Duramax LB7 LLY LBZ LMM LML. The XDP head studs are the ideal upgrade for any high performance, racing, or sled pulling application. These studs are more durable and will not stretch like the factory bolts. The X260 Series head studs feature an upgraded 260,000 psi tensile strength to ensure the cylinder heads on your engine stay locked in place under