HSP DIESEL

Looking for a kit that has it all? Featuring a mandrel-bent 4-inch intake tube for massive airflow gains, HSP's signature heat shield Box eliminating unwanted hot air entering the cold air intake...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

Looking for a kit that has it all? Featuring a mandrel-bent 4.5-inch intake tube for massive airflow gains, with HSP's signature heat shield Box eliminating unwanted hot air entering the cold air...

The RFB-408-RFAB is a stainless steel worm-drive clamp that has the ability to work on a wide range of applications and industrial uses. Screw Size- 5/16 inch Band Material- Stainless Steel Screw...

1 Inch straight style hose barb sold individually.

The RFB-406-RFAB is one of our lineup of worm drive clamps with steel screw. This worm clamp features a stainless steel band and housing and a plated hex head screw. Screw Size- 5/16 inch Band...

The RFB-405-RFAB is a Worm Drive Hose Clamp that is made from a High Nickel corrosion-resistant stainless steel band and housing. This makes this worm drive hose clamp a go-to for many different...

The RFB-392-RFAB zinc finished steel Nut with a Nylon Insert. The Nylon insert helps with the nut from backing off or losing it’s clamping strength due to vibrations over time. Wrench Size- 7/16...

The RFB-206-RFAB Zinc Plated Rounded Bend style U-bolt is a part that has many different uses due to the round style bend. The Zinc plating helps with the corrosion rate under normal temperatures...

2.25 to 2.56-inch stainless steel band T-bolt clamp with a steel bolt. This clamp can be purchased in a raw or powder-coated finish.

The 031-2-HSP or HSP 2 IN Replacement Drivers Side Up-Pipe for the 2001-2004 Chevrolet and GMC Duramax are an incredible replacement to the factory parts that not only improve performance but also...

The 031-2-HSP or HSP 2 IN Replacement Drivers Side Up-Pipe for the 2001-2004 Chevrolet and GMC Duramax are an incredible replacement to the factory parts that not only improve performance but also...

Upgrade your restrictive factory up-pipe and eliminate the dreaded cracked EGR bellow. Increase horsepower and torque, as well as, reduce your EGTs and increase spool up. Heavy wall 304 stainless...

Upgrade your restrictive factory up-pipe and eliminate the dreaded cracked EGR bellow. Increase horsepower and torque, as well as, reduce your EGTs and increase spool up. Heavy wall 304 stainless...

Upgrade your restrictive factory exhaust restriction with our better flowing 2 inch up-pipes. Increase horsepower and torque, as well as, reduce your EGTs and increase spool up. Heavy wall 304...

Upgrade your restrictive factory exhaust restriction with our better flowing 2 inch up-pipes. Increase horsepower and torque, as well as, reduce your EGTs and increase spool up. Heavy wall 304...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

Here at HSP, we believe in going fast and making big power. We also believe you should look good doing it! We are the world's first in releasing a full billet upper valve cover for the LB7 Duramax...

The 103-HSP or better known as the HSP Stock Turbo Inlet Horn for the 2001-2004 Duramax Equipped Chevrolet and GMC Trucks is one of those parts that for the LB7 you should not forget. The HSP Stock...

Increasing airflow is critical when looking to purchase a cold air intake. proven dyno numbers show our HSP intake providing 20 additional horsepower and 58 pounds of torque on average. The HSP...

This Thermostat housing is to be used when running an aftermarket turbocharger in the valley with no cooling previsions Many of the Chevy Duramax coolant lines are routed in a way that makes it...

This Thermostat housing is to be used when running an aftermarket turbocharger in the valley with no cooling previsions Many of the Chevy Duramax coolant lines are routed in a way that makes it...

This Thermostat housing is to be used when running an aftermarket turbocharger in the valley with no cooling previsions Many of the Chevy Duramax coolant lines are routed in a way that makes it...

This Thermostat housing is to be used when running an aftermarket turbocharger in the valley with no cooling previsions Many of the Chevy Duramax coolant lines are routed in a way that makes it...

Many of the Chevy Duramax coolant lines are routed in a way that makes it difficult to upgrade turbochargers or other performance accessories. The HSP Diesel team has developed a solution for many of...

This Thermostat housing is to be used when running an aftermarket turbocharger in the valley with no cooling previsions Many of the Chevy Duramax coolant lines are routed in a way that makes it...