PPE Performance 304 Stainless Steel Engine Coolant Return Pipe (Polished) For 04.5-05 LLY Duramax led bulbs This new and improved version

This new and improved version from our previous STK-Kit allows the user to plum their FASS return line directly to their bulkhead fitting

Redesigned Round-Top Wastegate Actuator for increased boost control

Allen-head mounting bolts and a new deep filter are included

The Alliant Power Fuel Transfer Pump Kit (AP4089602) for 2003-2004 Dodge 5

PPE Performance 304 Stainless Steel Engine Coolant Return Pipe (Polished) For 04.5-05 LLY Duramax led bulbs This new and improved versionSpecifically designed for use in conjunction with the factory thermostat housing. 304 stainless steel construction prevents corrosion compared with OEM mild steel pipe which is prone to rusting and eventually leaking. Allows for installation of factory turbo coolant return thermostat. Also great for marine applications. Fitment: 2004. 5 2005 Chevy GMC 6. 6L LLY Duramax Diesel