These adapters make converting your the stock Duramax injector return hoses to -4AN.
Features:
- Sold as a Set of 2
- Stainless Multi-Barb Nipple
- Billet -4AN Male
Fitment:
- 2004.5-2010 Duramax Trucks (LLY LBZ LMM)
- Compatible with GM 98062291 & GM 97328733