HSP Diesel Billet Thermostat Housing Kit For 01-05 6.6L Duramax body the Stage 5 system is

the Stage 5 system is purpose built for generating peak horsepower and torque

0L with the MBRP Armor BLK 3" Cat-Back Exhaust System

Application: Gas only — 6

Integrated grease fittings

HSP Diesel Billet Thermostat Housing Kit For 01-05 6.6L Duramax body the Stage 5 system isThe HSP Diesel Billet Thermostat Housing Kit is engineered to elevate the cooling system performance of 2001 2005 Chevrolet and GMC trucks equipped with the Duramax LB7 and LLY engines. Constructed from premium billet aluminum, the precision machined housing ensures superior durability and resistance to corrosion, offering a reliable replacement for the factory plastic housing prone to cracking and leaks. Alongside the housing, the kit includes a high