6.6L LB7 (2001-2004) Duramax

HSP Billet Valve Covers for 2001-2004 Chevrolet / GMC Duramax LB7 The 146-HSP, also known as the HSP Billet Valve Covers for the 2001-2004 LB7 Duramax-equipped Chevrolet and GMC trucks, are a stunning upgrade for those looking to add serious style and performance under...

HSP Cold Side Tube Factory Style for 2003-2004 Chevrolet / GMC Duramax LB7 The 105-HSP, also known as the HSP Cold Side Tube Factory Style for the 2003 and 2004 Chevrolet and GMC LB7 Duramax-equipped trucks, was developed to address the significant airflow limitations...

HSP Stock Turbo Inlet Horn for 2001-2004 Chevrolet / GMC Duramax LB7 The 103-HSP, also known as the HSP Stock Turbo Inlet Horn, is designed for the 2001-2004 LB7 Duramax-equipped Chevrolet and GMC trucks. This is a highly effective upgrade over the restrictive factory...

HSP Cold Air Intake for 2001-2004 Chevrolet / GMC Duramax LB7 The 102-HSP, or the HSP Cold Air Intake, is specifically designed for the 2001-2004 LB7 Duramax-equipped Chevrolet and GMC trucks. This drop-in style intake not only performs at a high level but also...

HSP 2001-2004 Chevrolet / GMC 2" Replacement Driver Side Up-Pipe Part Number: 031-2-HSP The HSP 2" Replacement Driver Side Up-Pipe is a direct upgrade for the 2001-2004 LB7 Duramax-equipped Chevrolet and GMC trucks. Designed to improve flow and durability, it addresses the common failure...

HSP One Piece Thermostat Housing Kit for 2001-2005 Chevrolet / GMC Duramax LB7 / LLY The 040-HSP One Piece Thermostat Housing Kit is designed for 2001-2005 Chevrolet and GMC Duramax LB7 and LLY trucks. This forward-facing thermostat housing is a major upgrade for trucks...

HSP Billet Thermostat Housing Kit W/Coolant return for 2001-2005 Chevrolet / GMC Duramax LB7 / LLY You should be running the forward-facing thermostat housing kit, with coolant return if you have a stock turbocharger in the valley. This coolant return has a provision to...

" HSP 2001-2010 CHEVROLET / GMC HOT SIDE INTERCOOLER TUBE The 000-HSP or Hot Side Intercooler Tube for the 2001-2010 Chevrolet and GMC trucks is a must-have for stock and modified trucks alike. The Hot Side Intercooler Tube is one of our best-selling parts...

HSP Factory Replacement Coolant Tank for 2001-2007 Chevrolet / GMC Duramax LB7 / LLY / LBZ The 027-HSP, or HSP Factory Replacement Coolant Tank, is designed for 2001-2007 Chevrolet and GMC Duramax trucks. Its a perfect upgrade that delivers both function and style while...

The 046-1-HSP or 2001-2016 Chevrolet and GMC Billet Valve Covers Crank Case Ventilation Kit is something that we recommend for all of our Billet Valve cover kits. What is the Billet Valve Covers Crank Case Ventilation Kit? The Billet Valve Covers Crank Case Ventilation...

HSP Diesel Coated Billet Manifolds Why Would You Need the HSP Diesel Coated Billet Manifolds? The factory manifolds are restrictive from the get-go. HSP Diesel noticed quickly that these needed to be addressed if you wanted to make more power. The factory manifolds are...