{"product_id":"aca1800-21-adjustable-column-shift-linkage-kit-for-gm-th350-th400-4l60-4l60e","title":"ACA1800 21 Adjustable Column Shift Linkage Kit for GM TH350 TH400 4L60 4L60E","description":"\u003cstrong\u003eThis 21\" Adjustable Column Shift Linkage Kit is a shift linkage assembly compatible with GM TH-350, TH-400, 4L60, and 4L60E transmissions, and matches part number ACA-1800.\u003c\/strong\u003e \u003ch2\u003eProduct Overview\u003c\/h2\u003e \u003cp\u003eThis adjustable column shift linkage kit connects your steering column shifter to the transmission with precise, slop-free movement. Designed for custom builds and transmission swaps, the kit simplifies linkage fabrication and ensures reliable gear selection. Suitable for hot rodders, restorers, and DIY mechanics working with classic GM automatics, this linkage kit provides a clean, functional shifting solution.\u003c\/p\u003e \u003ch3\u003eKey Features \u0026amp; Performance\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eAdjustable length up to 21 inches to accommodate various firewall and column positions\u003c\/li\u003e \u003cli\u003eIncludes all necessary hardware, rod ends, and brackets for a complete installation\u003c\/li\u003e \u003cli\u003eCompatible with popular GM automatic transmissions used in classic cars, trucks, and muscle cars\u003c\/li\u003e \u003cli\u003eRugged steel construction with corrosion-resistant finish for long service life\u003c\/li\u003e \u003cli\u003eEliminates sloppy column shift feel and engages each gear confidently\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eGM TH-350 transmission\u003c\/li\u003e \u003cli\u003eGM TH-400 transmission\u003c\/li\u003e \u003cli\u003eGM 4L60 transmission\u003c\/li\u003e \u003cli\u003eGM 4L60E transmission\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eCommon Uses\u003c\/h3\u003e \u003cul\u003e \u003cli\u003eTransmission swaps in classic GM vehicles retaining column shift\u003c\/li\u003e \u003cli\u003eRestoring factory column shift operation after engine\/transmission changes\u003c\/li\u003e \u003cli\u003eCustom hot rod and street rod builds\u003c\/li\u003e \u003cli\u003eFixing worn or missing original linkage on vintage cars and trucks\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eTechnical Specifications\u003c\/h3\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003ePart Number(s):\u003c\/strong\u003e ACA-1800\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLength:\u003c\/strong\u003e 21 inches (fully extended)\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eAdjustable:\u003c\/strong\u003e Yes\u003c\/li\u003e \u003c\/ul\u003e \u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Does this kit include the bracket for the transmission lever?\u003cstrong\u003e A:\u003c\/strong\u003e The kit includes rod ends and hardware, but the transmission lever arm itself may need to be sourced separately depending on your application.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eQ:\u003c\/strong\u003e Can this linkage be used with a floor shifter conversion?\u003cstrong\u003e A:\u003c\/strong\u003e This kit is designed specifically for column shift applications; it is not suitable for converting to a floor shifter.\u003c\/p\u003e \u003cp\u003e\u003cem\u003eProduct appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.\u003c\/em\u003e\u003c\/p\u003e","brand":"DURAFORCE","offers":[{"title":"Default Title","offer_id":53679733670161,"sku":"ZZ3A00008","price":45.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0250\/2446\/2929\/files\/57_897dcecd-f519-4512-b76a-2b739213f9c3.jpg?v=1781654665","url":"https:\/\/www.duraforce.com\/products\/aca1800-21-adjustable-column-shift-linkage-kit-for-gm-th350-th400-4l60-4l60e","provider":"DURAFORCE","version":"1.0","type":"link"}