2007.5-2010 GM 2500HD/3500HD 6.6L LMM Duramax Heads & Valve Train

The OEM Cylinder Heads on your 2007.5-2010 GM 6.6L Duramax LML play a huge role in determining compression while helping create your engine's power and torque curve. With a component as versatile as your cylinder heads, it's best to only replace them with a premium upgrade you can count on. Here at Alligator Performance, we only work the most trusted and reliable brands in the industry to provide our customers with the best possible components for their rig. Unlock the full potential out of your GM 2500HD/3500HD by investing in any of the premium cylinder heads we offer today! Check out our full selection of Engine Upgrades for additional performance!  GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax. Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali. Some exceptions apply, please see individual product pages for specific fitments.

GM Duramax>2007.5-2010 6.6L LMM
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ARP 100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax
ARP 100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax

ARP

ARP 100-7533 8MM 12pt Valve Cover Bolt Kit | 2004.5-2016 GM 2500HD/3500HD 6.6L Duramax

Price
$116.51
Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Merchant Automotive

Merchant 10233 ARP Rocker Shaft Bolt Kit | 2001-2012 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$24.72
Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-BRAB-D1 32V Rocker Bridges | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$512.54
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Industrial Injection

Industrial 44B801 130lb Valve Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$737.11
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-P Cylinder Head (Passenger Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,099
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Fleece Performance Products

Fleece FPE-61-10003-D Cylinder Head (Driver Side) | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$1,099
Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6618 Billet Rocker Bridges | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$450
Industrial 449E01 Stage 1 Pushrods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Industrial 449E01 Stage 1 Pushrods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Industrial Injection

Industrial 449E01 Stage 1 Pushrods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$23.92
PPE 110090080 Valve & Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110090080 Valve & Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 110090080 Valve & Spring Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$809.99
PPE 110090050 Valve Springs, Retainers, Keepers Complete Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 110090050 Valve Springs, Retainers, Keepers Complete Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 110090050 Valve Springs, Retainers, Keepers Complete Kit | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Price
$539.99
Comp Cams 701-32 Valve Spring Steel Retainers | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML
Comp Cams 701-32 Valve Spring Steel Retainers | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Comp Cams

Comp Cams 701-32 Valve Spring Steel Retainers | 2011-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LML

Price
$155.95
ARP 400-7532 Hex Head Valve Cover Bolt Kit | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7
ARP 400-7532 Hex Head Valve Cover Bolt Kit | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

ARP

ARP 400-7532 Hex Head Valve Cover Bolt Kit | 2001-2004 GM 2500HD/3500HD 6.6L Duramax LB7

Price
$108.39

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2007.5-2010 6.6L Silverado & Sierra 2500HD/3500HD

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