Industrial Injection 2011-2016 LML Duramax Ported & Polished Cylinder Heads (RH & LH Set)2011 2015 LML Duramax Ported & Polished Cylinder Heads (RH & LH Set) Unlock the full performance potential of your 20112015 LML 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

By combining premium machine work with upgraded components

This cylinder head design has supported over 4

Comp Wheel Inducer (mm): 56

and function

The Industrial Injection 3

Professionally remanufactured and quality checked

even in the harshest winter conditions

Comes complete with a one year warranty

or the full kit with O-Ring TK-1026-K

Better resistance to wear and heat

Part Number: 5326058HX

Part Number: 4035044SE