Speed Engineering LT Swap Mid-Length 1 3/4" Headers - Universal GM Applications
Speed Engineering stainless-steel LT swap headers. Includes the manufacturer-supplied graphite header gaskets and installation hardware.
SMG recommended upgrades: Choose our vehicle-correct SMG MLS gasket set for a durable seal, and add SMG 9070C Ceramic Plug Wires. The ceramic boots resist header heat and melting; these are the only plug wires we use on our in-house header builds.
SKU: 25-1164. Mid-length 1 3/4-inch LT swap headers for a broad range of GM platforms, including F-body, A-body, X-body, G-body, C10 and 2WD OBS C1500 applications. Verify swap-specific clearance before ordering.
Processing & Shipping Overview
Processing occurs before shipping.
Most in-stock items typically process within 2–3 business days before shipment or pickup. Expedited shipping options affect transit time after an order ships and do not speed up processing.
Made-to-order, special-order, vendor drop-ship, and freight items require additional processing time before shipping. Any extended lead times will be noted on the product page when applicable.
For the most up-to-date order status or lead time questions, please contact sales@smgspeed.com or use live chat during business hours.