{"product_id":"cathedraldigitaldownload","title":"LS Cathedral Port Block \u0026 Cylinder Heads 3D Model — Print-Ready STEP \u0026 STL — Swap \u0026 Header Mockup","description":"\u003cp\u003e\u003cstrong\u003eA dimensionally correct cathedral port block and heads you can print and hold.\u003c\/strong\u003e LS1, LS6, 5.3, 6.0 — the engines most swaps actually start with. Mock it on the bench instead of hanging a long block in the bay to check one clearance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eThe steel mock-up block that does this job sells for $309.\u003c\/strong\u003e The free models are render meshes — not watertight, not to print tolerance, mounting geometry decorative. This one is built to be printed and measured against.\u003c\/p\u003e\u003ch3\u003eWhat you download\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTEP\u003c\/strong\u003e — native solid, so you can bolt your own parts to it in Fusion, SolidWorks or Onshape\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSTL\u003c\/strong\u003e — watertight, print-ready\u003c\/li\u003e\n\u003cli\u003eCorrect deck height, bore spacing, bellhousing pattern, motor mount and accessory locations, cathedral port geometry\u003c\/li\u003e\n\u003cli\u003eSectioned to fit a 256mm bed\u003c\/li\u003e\n\u003cli\u003eInstant download at checkout. Nothing ships.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhat people use it for\u003c\/h3\u003e\u003cp\u003eHeader and manifold design without the engine present · swap fitment before you buy · accessory and steering shaft clearance · CAD reference for a part you're drawing.\u003c\/p\u003e\u003ch3\u003eLicence — Shop Use\u003c\/h3\u003e\u003cp\u003ePrint as many copies as you like \u003cstrong\u003efor use in your own shop, including on paying customer jobs and in design work you're paid for.\u003c\/strong\u003e You may not share or resell the file itself. Print-and-sell licences available — ask.\u003c\/p\u003e\u003cp\u003e\u003cem\u003eDrawn by James Goertz, G1Pro. This is the file I draw cathedral port manifolds against.\u003c\/em\u003e\u003c\/p\u003e","brand":"Goertz 1 Pro","offers":[{"title":"Default Title","offer_id":42074085851178,"sku":"","price":119.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0581\/4507\/9338\/files\/g1pro-cathedral-engine.jpg?v=1789175925","url":"https:\/\/goertz1.pro\/products\/cathedraldigitaldownload","provider":"Goertz 1 Pro","version":"1.0","type":"link"}