2007.5-2010 GM 2500HD/3500HD 6.6L LM Duramax Engine & Performance

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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

SKU: FLCFPE-61-10003-P
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

SKU: FLCFPE-61-10003-D
Price
$1,099
Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100412 Cast Intake Horn | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100412-GB
Price
From $377.33
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100420 Billet Top Outlet Thermostat Housing & Upper Coolant Pipe Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100420-GB
Price
From $459.78
PPE 118021418 Valve Cover Kit with out Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118021418 Valve Cover Kit with out Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118021418 Valve Cover Kit with out Pillars | 2004-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118021418
Price
$287.99
PPE 1110100 Economy Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 1110100 Economy Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 1110100 Economy Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE1110100
Price
$359.99
PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 1110200 Standard Xcelerator | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE1110200
Price
$449.99
PPE 119022200 Blue Upper & Lower Coolant Hose Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 119022200 Blue Upper & Lower Coolant Hose Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 119022200 Blue Upper & Lower Coolant Hose Kit | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE119022200
Price
$269.99
DFC Diesel TH6607510LMMSOALBHD Tow Haul HD Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel TH6607510LMMSOALBHD Tow Haul HD Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel TH6607510LMMSOALBHD Tow Haul HD Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUTH6607510LMMSOALBHD
Price
$28,254.69
DFC Diesel TH6607510LMMSOALB Tow Haul Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel TH6607510LMMSOALB Tow Haul Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel TH6607510LMMSOALB Tow Haul Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUTH6607510LMMSOALB
Price
$20,381.25
DFC Diesel SS6607510LMMTKSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK
DFC Diesel SS6607510LMMTKSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

DFC Diesel

DFC Diesel SS6607510LMMTKSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

SKU: DDUSS6607510LMMTKSOALBCC
Price
$16,369.15
DFC Diesel SS6607510LMMSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel SS6607510LMMSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel SS6607510LMMSOALBCC Street Series Speed Of Air Long Block - Callies Crankshaft (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUSS6607510LMMSOALBCC
Price
$16,369.15
DFC Diesel SS6607510LMMTKSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK
DFC Diesel SS6607510LMMTKSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

DFC Diesel

DFC Diesel SS6607510LMMTKSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM TOPKICK

SKU: DDUSS6607510LMMTKSOALB
Price
$14,290.19
DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM
DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

DFC Diesel

DFC Diesel SS6607510LMMSOALB Street Series Speed Of Air Long Block (Standard/Auto) | 2007.5-2010 GM/Chevrolet 2500HD/3500HD 6.6L Duramax LMM

SKU: DDUSS6607510LMMSOALB
Price
$14,290.19
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wehrli Custom Fab

Wehrli 100131 X PPE High-Capacity Aluminum Oil Pan | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCF100131-GB
Price
From $367.63
Wagler C6686-2 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6686-2 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6686-2 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCPC6686-2
Price
$975
Wagler C6686-1 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Wagler C6686-1 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Wagler Competition Products

Wagler C6686-1 Alternate Fire Camshaft | 2001-2016 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: WCPC6686-1
Price
$975
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

SKU: WCPC6618
Price
$450
Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

Victor Reinz

Mahle 54581/54584 Victor Reinz 1.00mm Thick Left and Right Head Gasket | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: MCI54581/54584
Price
$148.96
PPE 119025200 Upper & Lower Coolant Hose Kit - Orange | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 119025200 Upper & Lower Coolant Hose Kit - Orange | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 119025200 Upper & Lower Coolant Hose Kit - Orange | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE119025200
Price
$269.99
PPE 119024200 Upper & Lower Coolant Hose Kit - Yellow | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 119024200 Upper & Lower Coolant Hose Kit - Yellow | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 119024200 Upper & Lower Coolant Hose Kit - Yellow | 2006-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE119024200
Price
$269.99
PPE 119021010 EGR to CAB Coolant Hose | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM
PPE 119021010 EGR to CAB Coolant Hose | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

PPE

PPE 119021010 EGR to CAB Coolant Hose | 2007.5-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax LMM

SKU: PPE119021010
Price
$15.29
PPE 118030800 Connecting Rods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118030800 Connecting Rods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118030800 Connecting Rods | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118030800
Price
$2,699.99
PPE 118020100 Head Stud Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax
PPE 118020100 Head Stud Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

PPE

PPE 118020100 Head Stud Kit | 2001-2010 GM Silverado/Sierra 2500HD/3500HD 6.6L Duramax

SKU: PPE118020100
Price
$1,799.99

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DIESEL TRUCK EXPERTS STANDING BY

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

The GM 2500/3500's equipped with a 6.6L Duramax LMM under the hood already come with tons of horsepower and torque off the factory line, but additional power and performance has never hurt any truck. Here at Alligator Performance, we offer a ton of engine parts and upgrades that are designed specifically to give your 6.6L Duramax engine improved throttle response, power and performance, taking your GM 2500/3500 truck to the next level in every situation. Check out our selection of cold air intakes, tuners, fuel upgrades, and turbo upgrades to help you get the most out of your diesel engine. Many of these upgrades like the cold air intakes and fuel upgrades even help promote component longevity so you can enjoy long-lasting and consistent performance without compromise. After you've added a few engine upgrades to your custom build, be sure to check out our premium 2007.5-2010 GM 6.6L Duramax LMM Transmission Upgrades to compliment the increase in power you're throwing down! 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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