SPE Motorsport 6.7L Powerstroke Secondary Coolant Tank Slip-on But from the factory

But from the factory

the Banks Ram-Air system boasts a 38 percent air density improvement compared to the stock intake

Shock Body: 2-inch steel monotube

2017-2019 Chevy Duramax L5P

Level 3: 70 HP - 150 Lb-ft TQ

SPE Motorsport 6.7L Powerstroke Secondary Coolant Tank Slip-on But from the factorySPE Motorsport 6. 7L Powerstroke Secondary Coolant Tank The factory secondary coolant tank on the 6. 7 Powerstroke is small, made of thin molded plastic, and prone to discoloration and fatigue over time. As these trucks see higher coolant temps, towing demands, upgraded turbo systems, or simply more miles, the OEM tank becomes a reliability risk. The SPE Motorsport Secondary Coolant Tank is built to eliminate those weaknesses with a high strength, TIG