Gear Reduction Starter 01-16 GM 6.6L Duramax Wrinkle Black XD251 XDP Duramax LLY Core Thickness: 1-1/4 inch

Core Thickness: 1-1/4 inch

This XDP head stud kit is constructed from high-quality 8740 Chrome Moly construction that also includes a proprietary element added for upgraded strength and durability

4 fully ported intake

Rugged Bar and Plate Core

Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship

Gear Reduction Starter 01-16 GM 6.6L Duramax Wrinkle Black XD251 XDP Duramax LLY Core Thickness: 1-1/4 inchYou can rely on the XDP Wrinkle Black HD Gear Reduction Starter XD251 to get your 2001 2019 GM 6. 6L Duramax running in the most extreme environments. XDP's HD Gear Reduction Starters are faster, stronger, and more durable than your factory starter. This gives you the ability to turn over even the most aggressive diesel engines. XDP's HD Gear Reduction Starters feature a faster motor that draws less amperage, and is more efficient. The Gear Reduction