Description
A polished stainless ARP 12-point bolt kit for the thermostat housing on the LB7, LLY and LBZ Duramax. Washers are included.
- Polished stainless steel resists corrosion from coolant
- 12-point heads
- Washers included
Fits: 2001-2007 Chevrolet/GMC 6.6L Duramax LB7, LLY, LBZ
