LLY Duramax Parts

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...

Flywheel bolts play and important role in the performance and safety of race cars and street machines alike. That's why the fastener experts at ARP...

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...

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...

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 ...

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...

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...