
The Story
Are you rebuilding or just looking to increase your Duramax's strength? If you are planning on upgrading the power your engine puts out it's a good idea to increase durability and eliminate cracking. Industrial Injection's New Heads for the Duramax LLY are a great place to start because these brand-new GM OE cylinder heads have a reinforced casting to make them more durable and help eliminate cracking. Each head has been pressure tested and comes fully loaded. SOLD AS A PAIR.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.

Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Are you rebuilding or just looking to increase your Duramax's strength? If you are planning on upgrading the power your engine puts out it's a good idea to increase durability and eliminate cracking. Industrial Injection's New Heads for the Duramax LLY are a great place to start because these brand-new GM OE cylinder heads have a reinforced casting to make them more durable and help eliminate cracking. Each head has been pressure tested and comes fully loaded. SOLD AS A PAIR.















