2001-2025 Duramax 6.6L Callies Stage 1 Alternate Firing Order Induction Hardened 108 LSA + 4° Advance Camshaft (270-009)2001 2025 Duramax 6. 6L Callies Stage 1 Alternate Firing Order Induction Hardened (270 009) The main reason for modifying the Duramax firing order with the camshaft is to relieve stress on the front portion of the crankshaft in higher performance applications. The OEM firing order ends at Cylinder #3 and then continues from the beginning through cylinders 1 and 2. The Duramax Cranks see the most strain and tend to break right behind the first rod

The MAHLE 224-3672WR

No warranty & no returns on competition application parts

2011-2016 Duramax LML Mahle Turbocharger Mounting Gasket Set (GS33937)

they have a slight taper to them

Larger upgraded 360 thrust bearing on the market

just drop-in and enjoy the extra power potential

7L Dynomite Diesel Reman 30% Over Injectors (DDPFD6715-75)

Reduced EGTs at increased power output

Stages 1 & 2 KC Whistler turbo for moderate towing and street performance

PPE recognized the need for a better filter product made specifically for the Duramax engine

TCS Low/Reverse Sprag update

Ideal for single or compounded turbos installs