Universal LS Headers Stainless Steel Headers, Shorty Style For LS Swaps, Universal For Swaps Only, Not Designed To Fit Any Vehicle That Came From Factory With An LS Style Engine, Headers - Canada LS Motor Headers 【Engine Fitment】These headers fit 4., 8L, 5., 3L, 5., 7L(Ls1), 6., 0L & 6., 2L engines (Gen 3 and Gen 4 LS Motors 1998-2020) Does not fit LT style engines 2014 and newer. Speed Engineering LS Swap Hugger Shorty Headers Ram Horns Universal... 】These headers are intended for LS swaps only. LS Swap Headers, 1-5/8 Primary x 2-1/2 Collector, 304 Stainless Steel Shorty Headers, Natural Finish, (Will Not Fit Fox Body Mustang 【Premium stainless steel construction】 Durable and corrosion-resistant for long-lasting performance. They do not fit vehicles that were originally equipped with LS style engines. Long Tube Headers for LS Swaps, Fit 60-87 Chevy & GMC Trucks C10 C20 C30 2wd, Also fits 88 and up 2wd Square Body (Does not fit OBS Body Style (Gen 3 and Gen 4 Ls Motors 1998-2020) They will fit most applications including: 73-87 Square body C10 C20 C30 K10 K20 K30 67-72 C10 C20 K5 Blazer Suburban 73-91 88-99 OBS C1500 Silverado Sierra S10 Pickups They also fit 1999-2013 Chevy and GMC 1500 pickup, Tahoe, and Suburban; 1999-2019 2500 and 3500 pickup with LS style engine. 【Universal LS Swap Headers】These headers fit most swap applications including but not limited to73-87 Square body C10 C20 C30 K10 K20 K30; 67-72 C10 C20; K5 Blazer; Suburban 73-91; 88-99 OBS C1500 Silverado Sierra; S10 Pickups. The will not bolt up to the existing Y pipe on these vehicles so modification is required.