# Stainless Works 1994-04 Chevy S10 LS Swap Header. 1-7/8" primaries and 3" slip-fit collect 1994-03 Chevy S10 LS swap header. All tubes are CNC mandrel bent for optimal flow. Made from 304 stainless steel for maximum corrosion resistance. Starting with a CNC cut 3/8" thick flanges into 1-7/8" primaries and 3" slip-fit collectors. Two-wheel drive vehicles will require current performance mounts. Headers are fully TIG welded and back purged. These are TIG welded for strength and durability. These kits come with high flow cats, a lifetime warranty and proudly made in the USA.Can fit 1982-1993 with fully custom fabricated motor mounts. Otherwise it will not fit This Part Fits: Year Make Model Submodel 2020-2022 Chevrolet Silverado 2500 HD Custom 2020-2022 Chevrolet Silverado 2500 HD High Country 2020-2022 Chevrolet Silverado 2500 HD LT 2020-2022 Chevrolet Silverado 2500 HD LTZ 2020-2022 Chevrolet Silverado 2500 HD WT 2020-2022 Chevrolet Silverado 3500 HD High Country 2020-2022 Chevrolet Silverado 3500 HD LT 2020-2022 Chevrolet Silverado 3500 HD LTZ 2020-2022 Chevrolet Silverado 3500 HD WT 2020-2022 GMC Sierra 2500 HD AT4 2020-2021 GMC Sierra 2500 HD Base 2020-2022 GMC Sierra 2500 HD Denali 2022 GMC Sierra 2500 HD Pro 2020-2022 GMC Sierra 2500 HD SLE 2020-2022 GMC Sierra 2500 HD SLT 2020-2022 GMC Sierra 3500 HD AT4 2020-2021 GMC Sierra 3500 HD Base 2020-2022 GMC Sierra 3500 HD Denali 2022 GMC Sierra 3500 HD Pro 2020-2022 GMC Sierra 3500 HD SLE 2020-2022 GMC Sierra 3500 HD SLT ## Details - **Price:** 2923.33 CAD - **Vendor:** Stainless Works - **Type:** Headers & Manifolds ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 2923.33 CAD | In stock | ## Images - Photo - Primary --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/stainless-works-1994-04-chevy-s10-ls-swap-header-1-7-8-quot-primaries-and-3-quot-slip-fit-collect) > Updated: 2026-08-15