{"product_id":"chevy-big-block-engines-2-1-2-sprint-style-weld-up-kit","title":"Chevy Big Block Engines, 2 1\/2\" Sprint Style Weld-Up Kit","description":"\u003ch3\u003eHighlights\u003c\/h3\u003e\n\u003cp class=\"p1\"\u003ePatriot Weld-up kits work great for racers who need to build custom headers when a specific fit header is not available. Kits come with mandrel bent one piece primaries, two 3\/8” precision machined flanges and your choice on most applications of either formed weld-on or slip-on collectors incorporating unique long transition to provide better flow. Mounting bolts, gaskets and collector locking tabs (slip-on style only) are also included.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli class=\"p1\"\u003eFor Chevy Big Block (396-502) Engines\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e2 1\/2\" Tube Diameter\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e5\" Collector Diameter\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eWeld-On or Slip-On Collector Type\u003c\/li\u003e\n\u003cli class=\"p1\"\u003eRound Port Shape\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Patriot Exhaust","offers":[{"title":"Weld-On","offer_id":52763815870831,"sku":"H8094","price":623.17,"currency_code":"USD","in_stock":true},{"title":"Slip-On","offer_id":52763815903599,"sku":"H8095","price":611.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0247\/6913\/4628\/products\/h8094.jpg?v=1773774000","url":"https:\/\/pertronixbrands.com\/products\/chevy-big-block-engines-2-1-2-sprint-style-weld-up-kit","provider":"Pertronix","version":"1.0","type":"link"}