ARP - Gm Duramax Lb7-Lbz 6.6L 12Pt (Street) Thermostat Housing Bolt Kit - 130-7403

The ARP 130-7403 thermostat housing bolt kit is engineered for street-driven GM Duramax 6.6L engines, providing reliable sealing and improved durability.

Key Features

• 12-point thermostat housing bolt kit


• Designed for Duramax LB7 through LBZ engines


• High-strength ARP alloy construction


• Street-performance oriented fastener design


• Improves corrosion resistance over OE hardware

Compatibility & Installation Notes

• Fits GM Duramax 6.6L LB7, LLY, and LBZ engines


• Confirm thermostat housing configuration before installation


• Torque to ARP specifications