Vehicle Fitment: Kenworth T440 Models with Link Cabmate KWB689-D and Severe service crossmembers, Cab; Kenworth T450 Models with Link Cabmate KWB689-D and Severe service crossmembers, Cab; 98-08 Kenworth T600A; Kenworth T600A Models with Link Cabmate KWB689-D and Severe service crossmembers, Cab; 98-23 Kenworth T800; 14-18 Kenworth T880; 98-23 Kenworth W900 Specifications: Stroke (in): 1.48, Extended Length (in): 8.02, Upper Mount Code: ES163, Lower Mount Code: ES163, Collapsed Length (in): 6.53 Interchange Part Number: R711004, R71-1004, 317931, 25333002, 1201-1046, 1202K046, 12011046, R71-1004, 1202-1046, R711004, 12021046, 83049, R71-1004, 1202-1046, 12021046, 12011046, 1201-1046, R711004, F347292 Product Features: Designed for long term use with anti-fade performance, maximizing tire life and control. Best suited for commercial fleets and heavy duty trucks Installation & Durability: Specifically engineered for fleet use with extended durability under heavy loads. Features a hydraulic stop for superior control and reduced shock wear