2005-2024 Superduty Left Side Tie Rod End (KR80754)These are the highest quality, strongest parts available. Nearly 4 years worth of R&D have gone into this superior design. This is a 1 piece design with superior strength and durability due to a more consistent pre load unlike other aftermarket designs. As with all Kryptonite Tie Rods these carry a lifetime warranty to original purchaser Hardened Ball Stud 4140 Chromoly Premium Oversized Forged Housing Greaseable Joint Design ensure long life Improved