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Industrial Injection 2006-2010 LBZ/LMM Duramax Ported & Polished Cylinder Heads (RH & LH Set)

Name: Industrial Injection 2006-2010 LBZ/LMM Duramax Ported & Polished Cylinder Heads (RH & LH Set)
Brand: Industrial Injection
SKU: PDM-LBZ/LMMRH
Price: 3995.95 USD
Availability: InStock

Industrial Injection

SKU: PDM-LBZ/LMMRH

Price

$3,995⁹⁵

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Free Ground shipping (Over $200*)

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2006-2010 LBZ/LMM Duramax Ported & Polished Cylinder Heads (RH & LH Set)

Unlock the full performance potential of your 2006–2010 LBZ or LMM Duramax 6.6L with these Industrial Injection Ported & Polished Cylinder Heads. Designed for high-performance applications, these fully CNC-ported heads deliver increased airflow, and enhanced horsepower capability for racers, sled pullers, and serious diesel performance enthusiasts.

Machined using Industrial Injection's state-of-the-art 5-axis CNC cylinder head porting technology, each head is precision engineered to maximize airflow consistency across all ports while maintaining exceptional durability. Fully assembled and ready to install, these heads provide the airflow and reliability needed to support everything from aggressive street builds to competition-level horsepower.

Key Features

Fully CNC ported and polished LBZ/LMM Duramax cylinder heads
Precision machined using a 5-axis CNC cylinder head porting machine
CAD/CAM software-developed port design for maximum consistency
Diamond honed valve guides
Unshrouded valves for increased airflow
High-strength alloy, heat-treated iron-based valve guides
Premium nickel-based, non-magnetic valve seat inserts
Multi-angle valve job
130 lb valve springs installed
Fully assembled and ready for installation
Designed for racing, sled pulling, and high-performance applications

Advanced CNC Porting Technology

Each cylinder head is machined on Industrial Injection's advanced 5-axis CNC porting equipment utilizing proprietary CAD/CAM-developed port designs. This process ensures precise port-to-port consistency while significantly improving airflow compared to factory cylinder heads.

The result is increased airflow efficiency, improved combustion characteristics, and enhanced power potential throughout the RPM range. Whether you're building a high-performance street truck, dedicated competition vehicle, or towing rig with elevated power levels, these heads provide the airflow necessary to maximize performance.

What's Included

Right-hand LBZ/LMM ported and polished cylinder head
Left-hand LBZ/LMM ported and polished cylinder head
Fully assembled and ready to install

Not Included

Gaskets
Head bolts or studs
Injectors
Installation hardware

Vehicle Fitment

2006–2007 GM Duramax LBZ 6.6L

Chevrolet Silverado 2500HD
Chevrolet Silverado 3500HD
GMC Sierra 2500HD
GMC Sierra 3500HD

2007.5–2010 GM Duramax LMM 6.6L

Chevrolet Silverado 2500HD
Chevrolet Silverado 3500HD
GMC Sierra 2500HD
GMC Sierra 3500HD

Why Choose Industrial Injection Ported & Polished Heads?

Fully CNC ported for maximum airflow and consistency
Built specifically for racing and sled pulling applications
Premium valvetrain and seat components for long-term durability
Increased airflow compared to stock cylinder heads
Ready-to-install assembly saves time and labor
Manufactured and assembled by Industrial Injection performance experts

Core Return Information

Sold as a matched right-hand and left-hand pair.

To receive full core credit, a good, reusable pair of LBZ or LMM cylinder heads must be returned. Cores must be free of cracks, excessive warping, or severe damage. Core returns are required within 90 days of purchase.

Shipping information

Free economy ground shipping on most orders over $200. This includes lower 48 United States only. Excludes products that must ship freight.

Core Return Info

Read Carefully!

When you purchase a product from our website that has a core requirement, you have two options:

1. You choose to pay the core charge and we will ship the product right away, then once we receive the cores you will be refunded the core charge if your cores pass our inspection qualifications. This is the preferred choice and has the least delays.

2. You choose to send in your cores before we ship the product that was purchased. This choice has the risk of delayed shipment of your purchased product and our inventory is not guaranteed by the time we receive your cores. You will need to follow all of the instructions below as quickly as possible so that you can get your purchased product and we can receive the cores. When you choose this option you acknowledge that by the time we receive your cores, our inventory could have change and there could be a delay in your shipment.

Please return all cores to:

Industrial Injection Core Returns
2858 South 300 West
Salt Lake City, Utah 84115

INCLUDE RA# THAT WAS ISSUED AT TIME OF PURCHASE! If RA # is lost, please call Customer Service at (800) 955-0476. Have your original invoice at time of phone call to give all appropriate information for return.

Core return freight is the responsibility of the customer

FULL CREDIT WILL BE GIVEN WHEN:

In order to receive full core credit, your core(s) must be returned within 90 days from receipt of order. It must be as is “off the engine.” Full core credit will be given if core meets acceptance criteria. Cores that are damaged during shipment to Industrial Injection are the responsibility of the customer and their shipping company.

½ CORE CHARGE CREDIT WILL BE GIVEN WHEN:

Slightly damaged housing or camshaft
Missing parts such as FCA

No Core Credit issued when:

Core is seized or hydraulic head is cracked
Excessive damage ( Heavy use of Bio-diesel and rust are common causes for unacceptable core)
Core is fire damaged
Core is returned after 90 days/3months

Please do the following when returning a core:

Make sure you have removed all fittings from your old unit
Drain all fuel and oil from unit
Package cores so that fuel and oil does not escape from the package

NOTE: packages that have fuel or oil residue on the outside of the box during shipping will not be delivered by UPS or the postal service which will cause delays.

Please re-use boxes and bags that parts were shipped in originally. These boxes are UPS approved to reduce damage while being handled in freight.
All shipping charges are the responsibility of the customer
Please write on the box “Core Return” and have RA # clearly written on the outside of box
Include copy of original invoice and RGA inside box

PLEASE RETAIN RA#, INVOICE # AND TRACKING NUMBER UNTIL CREDIT IS RECEIVED BY YOU. We do not research by customer name, only invoice # or RA #.