LMM Duramax Engine Parts

The XDP X220 Series Head Stud Kit XD3006HS is a must have for your high performance 2001-2016 GM 6.6L Duramax LB7/LLY/LBZ/LMM/LML. The OEM head bol...

Upgrade the factory main bolts in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the Main Stud Kit XD3008MS. Whether you are setting up your Duramax f...

Customize the underhood of your 2001-2021 GM 6.6L Duramax when you add the Billet Aluminum Oil Cap XD477. Each cap features a CNC-machined billet a...

The ARP Diesel Head Stud Kit 230-4201 is a must have in any high performance 2001-2016 GM 6.6L Duramax. To overcome head gasket failures that can o...

  The XDP Performance Valve Springs & Retainer Kit XD386 are a perfect upgrade for your modified 2001-2016 GM 6.6L Duramax. Camshaft upgrades a...

  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 fa...

  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 r...

  The XDP Wrinkle Black HD High Output Alternator XD351 improves the capability of the charging system in your 2007.5-2010 GM 6.6L Duramax LMM and ...

Restore lost power from the valvetrain in your 2001-2016 GM 6.6L Duramax with the XDP Pushrods 7/16" Competition & Race Performance XD316. The ...

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...

Assemble the bottom end in your engine with the ARP 900-0950 Piston Ring Compressor (4.095" Bore). The Ring Compressor is CNC machined from 6061-T6...

A premium grade 8740 alloy chrome-moly steel is used to manufacture ARP High Performance connecting rod bolts. This material is heat-treated to pro...

Flexplate bolts play an important role in the performance and safety of race vehicles and street machines. That's why the fastener experts at ARP h...

Purchase the ARP 900-0750 Piston Ring Compressor (4.075" Bore) to save time and hassle on your engine build. Built tough, this Piston Ring Compress...

Purchase the ARP 900-0550 Piston Ring Compressor (4.055" Bore) to save time and hassle on your engine build. Built tough, this Piston Ring Compress...

The ARP Diesel Custom Age 625+ Head Stud Kit 230-4202 is the ultimate head stud kit for high horsepower 2001-2016 GM 6.6L Duramax engines. ARP has ...

ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8 hardware. Offered for all Duramax ...

When you are setting up a Duramax engine for drag racing and sled pulling, ARP main and head studs are a must have item! Keep your mains from walki...

ARP Valve Cover Bolt Kits are rated at 170,000 PSI tensile strength which is substantially stronger than grade 8 hardware. Offered for all Duramax ...

The ARP 200-8793 Harmonic Balancer Washer for your 2001-2016 GM 6.6L Duramax is optimized for enhanced reliability and increased strength. Each 874...

The ARP 129-2503 Balancer Bolt Kit for your 2001-2018 GM 6.6L Duramax is optimized for enhanced reliability and increased strength. Each kit includ...

You 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 environment...

Upgrade the factory transmission cooler in your 2006-2010 GM 6.6L Duramax LBZ/LMM with the XDP X-TRA Cool Direct-Fit Transmission Oil Cooler XD310....