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Clevite SH-1999S Camshaft Bearing Set 33357 1.00 Clevite SH-1999S Camshaft Bearing Set
$ 103.71
The Clevite SH-1999S Camshaft Bearing Set is a direct replacement for your 2001-2013 GM 6.6L Duramax. Clevite bearings are tried and true and are the go to choice for all engine builders when building stock, high performance, and race engines. Features: Material: AL-3Size: Standard Camshaft Bearing Set GM Cross Reference Part#: 8972182100, 8972182110, 97239516, 97239518
Fleece FPE-BRAB-D1 Billet Rocker Arm Bridge Set 50250 2.00 Fleece FPE-BRAB-D1 Billet Rocker Arm Bridge Set
$ 512.54
The Fleece FPE-BRAB-D1 Billet Rocker Arm Bridge Set offers 2.5 times more strength than the factory bridges in your 2001-2019 GM 6.6L Duramax. Featuring a billet 8620 steel construction, these bridges improve oiling to the valve stems, are surface ground for flatness, and are case hardened and carburized for a massive improvement in strength. Sold as a complete set of 16.Features:Set of 16 Bridges8620 Steel Construction2.5x Stronger Than StockImproved Valve Stem OilingCase Hardened and Carburized
Fleece FPE-DUR-S2-PROD 7/16" Stage 2 Pushrods 50251 6.00 Fleece FPE-DUR-S2-PROD 7/16" Stage 2 Pushrods
$ 490.19
Upgrade the factory pushrods in your performance built 2001-2019 GM 6.6L Duramax to a beefier set of Fleece FPE-DUR-S2-PROD 7/16" Stage 2 Pushrods. Constructed from 4130 chrome molybdenum steel, these pushrods are heat treated to Rockwell Rc60 leaving you with a pushrod that can stand up to the demands of a high performance valvetrain. If you need a pushrod that can stand up to higher valve spring pressure, RPM, and cylinder pressure while minimizing valvetrain deflection, install a set of Fleece 7/16" Stage 2 Pushrods today!Features:OEM Length7/16" Diameter.125" Thick WallForged Cup EndsSold As Complete Set
Harland Sharp Roller Rocker Arms 6.6L Duramax 10611 10.00 Harland Sharp Roller Rocker Arms 6.6L Duramax
$ 1800
Harland Sharp D-Force Roller Rocker Arms are manufactured in-house out of 2024 Billet Aluminum to ensure maximum strength and durability for your Duramax valvetrain. The D-Force roller rocker arms also feature a roller tip for superior friction reduction and increased performance. For use in racing applications, and with no required modifications, the D-Force roller rocker arms from Harland Sharp truly are the simplest way of maximizing your diesel engines valvetrain performance! Features: Made from 2024 billet aluminum Roller tip for friction reduction Installs in place of factory rocker arms Sold as a complete set
Wagler WCPC6618 Billet Rocker Arm Bridge Set 80728 4.00 Wagler WCPC6618 Billet Rocker Arm Bridge Set
$ 450
Improve the valvetrain in your 2001-2016 GM 6.6L Duramax when you install the Wagler WCPC6618 Billet Rocker Arm Bridge Set. These rocker arm bridges feature forged 4340ACQ certified billet steel construction to handle the increase horsepower of your modified Duramax. With all drafting, design, programming, machining, assembly, and QA performed in-house at Wagler, you can be sure these American made rocker arm bridges are of the highest quality. Works with factory spring shims. Sold as a set.Features:Made In The USASet Of 16 BridgesBillet Steel Construction Notes: Works with factory spring shims.Wagler recommends using WCPC6664 Push Rods with these Rockers (See Below).
Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers 32048 5.00 Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers
$ 600
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax engine with the Wagler WCPC6643 Dual Valve Spring Kit With Steel Retainers. Designed to work with your factory spring shim, the dual valve spring kit increases seat pressure to 145lbs at 1.650 installed height. Features: 145lb Seat Pressure @ 1.650 Installed Height Works With The Factory Spring Shim Coil Bind @ 1.090 Note: Wagler Competition Products recommends the use of the Wagler WCPC6664 Push Rods with the installation of the Dual Valve Spring Kit.
Wagler WCPC6664 Pushrods 32050 10.00 Wagler WCPC6664 Pushrods
$ 350
Upgrade the valvetrain in your 2001-2016 GM 6.6L Duramax with the Wagler WCPC6664 Pushrods. Built from 3/8" x .135 wall 4130 Chromoly, these push rods increase strength and are able to handle the stress associated with higher engine RPM and higher valve spring pressures commonly found in performance engines. Features: 3/8" x .135 Wall 4130 Chromoly Construction Great For Use With WCP Dual Valve Spring Kits
Wagler WCPC6686-1 Alternate Fire Street Stage 1 Camshaft 32051 15.00 Wagler WCPC6686-1 Alternate Fire Street Stage 1 Camshaft
$ 975
The Wagler WCPC6686-1 Alternate Fire Street Stage 1 Camshaft provides your 2001-2016 GM 6.6L Duramax with increased driveability and increased performance. This cam is a great replacement for towing, street use, and mild race applications. This Stage 1 camshaft does not require any piston valve reliefs for installation. Features: Stage 1 Great For Towing, Street Use and Mild Racing Note: Installation will require modification to your existing engine wiring harness. Please follow the included instructions to complete this procedure.
Wagler WCPC6686-2 Alternate Fire Street Stage 2 Camshaft 32052 15.00 Wagler WCPC6686-2 Alternate Fire Street Stage 2 Camshaft
$ 975
The Wagler WCPC6686-2 Alternate Fire Street Stage 2 Camshaft allows you to get the most out of your 2001-2016 GM 6.6L Duramax This cam is great for use in street performance race applications. Features: Stage 2 Great For Street and Race Applications .050 Piston Valve Reliefs Required Note: Installation will require modification to your existing engine wiring harness. Please follow the included instructions to complete this procedure.
XDP 3/8" Street Performance Pushrods XD315 34847 8.00 XDP 3/8" Street Performance Pushrods XD315
5.00 5 1
$ 282.95
The XDP Pushrods 3/8" Street Performance XD315 eliminate the weak link in the valvetrain of your 2001-2016 GM 6.6L Duramax. The factory pushrods in your Duramax engine can hardly handle stock output levels. The increased cylinder pressure, high engine RPM, and increased valve spring pressures of your modified Duramax can quickly push the limits of your stock pushrods. Even in moderate builds, the factory pushrods can flex, robbing you of power. In most cases your pushrods won't show signs of failure, and the excessive flex is not visible to the naked eye. Just because you can't see it, does not mean that your factory pushrods are able to handle the load! Don't let a bent pushrod be the reason you need a complete tear down, upgrade today!The XD315 Pushrods are expertly handcrafted in the USA using only the highest quality materials. Featuring a seamless 4130/4135 chromoly construction that is cold drawn over a mandrel for maximum durability. Each tip is CNC machined from 86L20 bar stock that is core hardened and triple tempered for the ultimate wear and impact resistance. These extra processes during manufacturing produce a pushrod that is stronger and more durable than your factory pushrods so you can get the most out of your Duramax engine. Features: Supports 750HP 170,000 PSI Tensile Strength 4130/4135 Chromoly Construction 3/8" x .095", 9.430" Overall LengthMADE IN THE USA! Installation Notes: These Pushrods are a direct replacement for the factory pushrods in your engine. Please consult the factory service manual for removal, installation and valve adjustment instructions. This information can also be found in the Haynes Manuals below.Warranty Info:Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.
XDP 7/16" Competition & Race Performance Pushrods XD316 34848 8.00 XDP 7/16" Competition & Race Performance Pushrods XD316
$ 306.95
Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition and Race Performance XD316. The factory pushrods in your Duramax engine are not adequate to handle the stress from your modified engine. Increased cylinder pressures, higher engine RPM, and increased valve spring pressures can quickly max out the material strength of your originally equipped pushrods. In most instances you won't see physical signs of wear, damage, or failure in your pushrods. That does not mean that they are able to handle the excess load from a modified engine. The XDP Competition and Race Performance Pushrods feature a larger 7/16" diameter to give you a drastic strength increase that will support 1000HP+. Handcrafted in the USA to XDP's stringent specifications, the XDP Competition and Race Pushrods are made from only the highest quality materials. The 7/16" diameter pushrods are build from seamless 4130/4135 chromoly tubing that is cold drawn over a mandrel for maximum rigidity and strength. The CNC machined tips are made from 86L20 bar stock that is core hardened and triple tempered to provide the ultimate in impact and wear resistance. Not only do these extra steps during the manufacturing process give you the best components, they maximize the performance of your valvetrain. The Competition and Race Pushrods can be also be used in mild and stock builds. While they are intended for competition use and high horsepower, the larger pushrod is perfect for those who want to build their engine stronger, or for those who are building now, to make big power down the road. The 7/16 pushrods can handle 1000HP+ and work perfectly on stock to extreme engines. Sold as a set. Features: Supports 1000HP+170,000 PSI Tensile Strength 4130/4135 Chromoly ConstructionGreat For Stock To Extreme Builds 7/16 x .120, 9.430 Overall LengthMADE IN THE USA! Installation Note: These Pushrods are a direct replacement for the factory pushrods in your engine. Please consult the factory service manual for removal, installation and valve adjustment instructions. This information can also be found in the Haynes Manuals below.Warranty Info:Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.
XDP Billet Rocker Arm Valve Bridge Set XD384 102965 4.00 XDP Billet Rocker Arm Valve Bridge Set XD384
$ 369.95
The XDP Billet Rocker Arm Valve Bridge Set XD384 will greatly improve the factory valvetrain in your modified 2001-2016 GM 6.6L Duramax. The OE rocker arm bridges in your valvetrain were designed for stock output levels. Once modified, your Duramax engine can quickly produce more stress and load than the factory rocker arm bridges were made to handle. The XDP rocker arm bridges are CNC-machined out of hardened 4140 chromoly for extreme strength. Each set is then Nitride coated to minimize friction and provide added protection. Sold as a set.Features:Nitride CoatingSold As Complete SetBillet 4140 Chromoly ConstructionApplication Note:Designed for stock rocker arms only.Will not work with aftermarket rocker arms.Warranty Info:Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.
XDP Performance Valve Springs & Retainer Kit XD386 102967 5.00 XDP Performance Valve Springs & Retainer Kit XD386
$ 615.95
The XDP Performance Valve Springs and Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades and other modifications that increase boost require more valve control. The XDP Performance Valve Spring feature a conical design for better valve control than a standard straight spring. The conical design also allows for smaller and lighter spring retainers. Each spring undergoes a stress relief process and is computer load mapped, to ensure quality and long-term reliability. Each spring is matched within 1 lb of seat pressure to ensure consistency. Sold as a complete set with valve springs, retainers, and locks. Each kit is backed by XDP's 1-year unlimited mileage warranty.Features: 125 Lb. Seat PressureConical Spring Design Performance Valve Spring KitEssential For Elevated Boost Levels Complete Set (Springs, Locks and Retainers)Specifications:Installed Height: 1.610”Installed Pressure: 125lbs 210lbs @ 1.110” Coil Bind: 1.050” Warranty Info:Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.
XDP Rocker Arm Shafts XD385 102966 10.00 XDP Rocker Arm Shafts XD385
$ 399.95
The XDP Rocker Arm Shafts XD385 are specially designed to minimize the common oiling issues in the 2001-2019 GM 6.6L Duramax engines. From the factory, the oil supply to the rocker arm is shut off as the valve is opened. This lack of lubrication can cause excessive wear on your valvetrain and premature failures, especially in high performance applications.The XDP Shafts feature revised oil grooves that align with the oil hole in the bushing so you maintain a consistent oil supply. These shafts are manufactured from hardened 4130 chromoly for extreme durability. Each shaft comes ready to install and has threaded pipe plugs at each end so the shafts can be cleaned, inspected, and hot tanked during an engine rebuild. Features:CNC Machined.250" Wall Thickness4130 Chromoly Steel Construction Warranty Info:Products manufactured by XDP carry a 1-Year warranty against defects in materials and craftsmanship. The Warranty is Limited to one (1) year from the date of sale and limited solely to the parts contained within the product's kit. Click Here for full warranty policy.
XDP continues to closely monitor the COVID-19 (Coronavirus) outbreak. As an integral part of the automotive supply chain, at this point all call centers and distribution centers remain fully operational to ensure we keep vital service components flowing to vehicles used in transport of goods and emergency response. To ensure the health of our employees, families, and customers, we have made the following procedural changes:

  • UPDATE: Effective 6/1 Customer Service resumes normal business hours of M-F 8:30 – 9:00pm EST.
  • Effective 3/18 we have decided to temporarily close both of our retail stores in NJ and NV.
  • Our technical sales team remains available Mon-Fri 8:30am-9pm and Saturday 10:30am-7pm EST.
  • All employees have been encouraged to follow the CDC's recommendations at home and in the workplace.
The circumstances of this virus are fast moving, as such, we will continue to update you with any further operational adjustments as needed. As always, we value your business and appreciate your patience as we manage this situation together.