【Compatibility】For 2006-2010 Chevy,GMC 6.6L Duramax Transmission Lines. Includes (3) lines and all necessary fittings, zip ties. 【Features】1/2" DOUBLE Steel Braided w/abrasion resistant exterior (3X the protection to prevent against rub through or road hazards) - 5000 PSI (20,000 BPSI) Premium Hose - High Quality, crimped on, zinc plated (1) piece steel (not aluminum!) hose ends. 【Premium material】The transmission lines are made of top-quality steel and strengthened rubber with excellent corrosion-resistance, rust-resistance, oxidation resistance and high temperature resistance, perfect for long-time use. 【Attention】The fitting thread is 7/8-14. M22 1.5 x -10 male fittings may be required to attach for Duramax Allison transmission cooler hoses lines to the front cooler.