Details
- This listing is for a pair of Brand New 6.6L Duramax #LLY (Code 2) heads
- These heads DO NOT have internal Injector Sleeves
- Protruding glow plug holes
- Reinforced castings make these heads more durable and less susceptible to cracking, should your vehicle overheat
- Fully assembled as pictured, ready to ship and ready to plug and play!