Description
A polished stainless ARP 12-point bolt kit for the thermostat housing on the LMM Duramax. Washers are included.
- Polished stainless steel resists corrosion from coolant
- 12-point heads
- Washers included
Fits: 2007.5-2010 Chevrolet/GMC 6.6L Duramax LMM
