AFM/DOD Delete Parts List

Head Gaskets: You’ll need 2

GM Part # 12589226 for the 5.3

GM Part # 12610046 for the 6.0/6.2

Head bolts: You’ll Need 2 Sets

GM Part # 17800568

Valley Cover Plate:

GM Part # 12598832

This will replace the stock valley cover that contains the oil control solenoids responsible for activating AFM. You could also use A-37 bearing to plug the holes

Lifters & Guides:

GM Part # 12499225

GM Part # 12595365

Gaskets and Seals:

MAHLE / CLEVITE JV5158 - Timing Cover and Oil Pick Up Tube

GM Part # 12612350 - Oil Pan

GM Part # 19207929 Set - Intake Manifold 6.2

GM Part # 89060413 Set - Intake Manifold 5.3/6.0

Camshaft:

Cam Thrust Plate - GM Part # 12589016

GM Part # 12689035 for the 5.3 with VVT

GM Part # 12623065 for the 6.0/6.2 with VVT

Cam Bolt for VVT Cam’s 11561283

LM7 Cam if you don’t want VVT

2nd option for camshaft: find used 4.8/5.3/6.0 camshaft from 1999-2007 Gen 3 engine without AFM. Difference: Gen 3 has 3 bolts for timing gear, 2007+ has single large bolt. For 2007+ engine, need 4x trigger wheel cam gear with GM Part # 12586481

VVT - Variable Valve Timing:

Some vehicles starting in 2007 had VVT, the 6.0L LY6, L76, and 6.2L engine family in the trucks ALL had VVT. Starting in 2010 ALL 5.3 engines also had VVT. This required a change to the camshaft, which will be a groove in the 2nd bearing journal to supply oil to the VVT control valve located inside the cam bolt on these engines. If you are doing the AFM delete on an engine with VVT, you can decide to keep the VVT, or get rid of it too. Removing VVT will require a new Timing Cover (12600326) Cam Gear (12586481 ), and cam gear bolts.

12594939 With VVT

12600326 Without VVT

IF YOU HAVE A 2005 or 2006 TRAILBLAZER, ENVOY, RAINIER, OR SAAB 9-7X with the LH6 5.3L, Impala SS, Monte Carlo SS with LS4 5.3L, you have an E40 ECM, and your engine uses a different cam and crank trigger (12576407) as 2007+ and later engines. You will have a 3-bolt camshaft, so using the 12586481 camshaft will work for you.