Description
Upgrade or replace your factory intercooler boots with the S&B LLY Intercooler Boot Kit designed for 2004.5–2005 Duramax LLY engines. Built from high-quality, 4-ply reinforced silicone, these boots provide superior durability and reliability under extreme boost pressures.
The kit includes four premium silicone boots and eight heavy-duty T-bolt clamps, ensuring a secure seal and long-lasting performance. Backed by S&B’s lifetime warranty, this kit is perfect for replacing worn-out or blown boots and maintaining maximum boost efficiency.
Features:
- Designed for 2004.5–2005 Duramax LLY engines
- 4-ply reinforced silicone construction for maximum strength
- Includes 4 boots and 8 heavy-duty T-bolt clamps
- Direct-fit replacement for OEM boots
New Clamps Included.
All S&B Intercooler Boot Kits include the highest quality spring loaded T-Bolt clamps on the market so you don’t have to reuse any of your worn out original ones.

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