Industrial Injection Stock New Heads 04.5-05 GM 6.6L Duramax LLY BUL-30420 Get rid of your soft

Get rid of your soft shifts and turn them into quick

these hoses can handle extreme heat and pressure

rattle free

Constructed from high-quality PVC foam padding to protect your truck's finish from chips

it's just not as stable as it needs to be

Industrial Injection Stock New Heads 04.5-05 GM 6.6L Duramax LLY BUL-30420 Get rid of your softAre 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