{"product_id":"73-87-frame-stiffener","title":"73-87 Frame Stiffener","description":"\u003cp\u003eStrengthen your chassis with our Frame Stiffener Kit, designed to reduce flex and improve handling. Made from heavy-duty 3\/16″ steel, these boxing plates feature a bolt-in design for easy installation—no welding required. Perfect for performance builds, this upgrade adds serious rigidity to your frame for improved suspension response and overall drivability.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3\/16 Steel Construction\u003c\/li\u003e\n\u003cli\u003eUses Factory Holes to Locate\u003c\/li\u003e\n\u003cli\u003eAdjustable Transmission Mount\u003c\/li\u003e\n\u003cli\u003eWorks With 1 \u0026amp; 2 Piece Driveshafts\u003c\/li\u003e\n\u003cli\u003eBoxes Your Frame Rails\u003c\/li\u003e\n\u003cli\u003eAbility to Run up to 3 1\/2″ Exhaust\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eIncludes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eTransmission Crossmember \u0026amp; GM Polyurethane Mount\u003c\/li\u003e\n\u003cli\u003eGrade 8 Hardware\u003c\/li\u003e\n\u003cli\u003eBoxing Plates\u003c\/li\u003e\n\u003cli\u003eFrame Stiffener\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e2WD 73-87 Chevy\/GMC\u003c\/li\u003e\n\u003cli\u003eC10, Short Bed Trucks\u003c\/li\u003e\n\u003cli\u003eGM Transmissions (T350, T400, 700R4, 4L60, 4L80, 6L80, Tremec Manual)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/youtu.be\/PwWSWlEXn78\" title=\"73-87 Frame Stiffener Install Video\"\u003e73-87 Frame Stiffener Install Video\u003c\/a\u003e\u003c\/p\u003e","brand":"Tinworks Suspension","offers":[{"title":"Default Title","offer_id":55681331265609,"sku":"12-9014","price":1450.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0576\/6728\/9161\/files\/ChatGPT_Image_Jul_10_2026_11_19_13_AM.png?v=1783702317","url":"https:\/\/simplec10.myshopify.com\/products\/73-87-frame-stiffener","provider":"SIMPLE.C10","version":"1.0","type":"link"}