{"product_id":"hell-and-back-fully-loaded-stage-3-cylinder-head-c15","title":"Hell and Back Fully Loaded Stage 3 Cylinder Head — C15","description":"\u003cp\u003e\u003cstrong\u003eA fully loaded Stage 3 head for the Cat C15, with Inconel valves, bigger cooling ports and a higher-nickel casting.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHack Nation's fully loaded Stage 3 cylinder head for Cat heavy engines. One head design covers the 3406E right through the SDP, so one head on our shelf handles most Cat rebuilds.\u003c\/p\u003e\u003ch3\u003eWhat makes it better\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInconel intake and exhaust valves.\u003c\/strong\u003e A high-temperature nickel alloy on both sides of the head, for maximum heat resistance. Stage 2 heads get Inconel on the exhaust side only.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUp to 30% larger cooling ports.\u003c\/strong\u003e More coolant flow through the head, for lower metal temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpgraded casting with 5–15% more nickel.\u003c\/strong\u003e A stronger, more heat-tolerant casting than standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFully loaded.\u003c\/strong\u003e Arrives as a complete assembled head, ready to install, not a bare casting.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhy it matters\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeat is what kills heads.\u003c\/strong\u003e Inconel holds its strength at exhaust temperatures that wear out standard valves, and the bigger cooling ports and higher-nickel casting carry that heat away.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStage 3 is the benchmark.\u003c\/strong\u003e Going from Stage 2 to Stage 3 is all about the valves, and Stage 3 is the starting point for every head Hack Nation builds.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eThe Hack Nation stage ladder\u003c\/h3\u003e\u003cp\u003eStage 1 is OEM-style. Stage 2 adds the bigger cooling, higher-nickel casting and Inconel exhaust valves. Stage 3 adds Inconel intake valves. Stage 5, Hack Nation's in-house head, builds on Stage 3 with Hell and Back coated cam bearings, superfinished valve springs and rocker shafts, on a CGI casting when available. Ask us about stepping up.\u003c\/p\u003e\u003ch3\u003eWhat's included\u003c\/h3\u003e\u003cp\u003eA fully loaded, assembled Stage 3 cylinder head.\u003c\/p\u003e\u003ch3\u003eFitment\u003c\/h3\u003e\u003cp\u003eCat C15, 3406E and C15 ACERT, including serial prefixes 2WS, 5EK, 6NZ and MXS. Also listed for C16 and C18. Not for B-model engines. Cross-reference: 2237263.\u003c\/p\u003e\u003cp\u003eSend us your ESN or CPL and we'll confirm fitment before it ships.\u003c\/p\u003e\u003cp\u003eDoing the head? Do the bolts. Pair it with our matching Hell and Back head bolt kit.\u003c\/p\u003e\u003cp\u003eBacked by Hack Nation's 1-year parts warranty (terms apply).\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003ePickup in Grande Prairie or freight quoted after order.\u003c\/strong\u003e Questions? \u003ca href=\"mailto:support@northernrepairltd.com\"\u003esupport@northernrepairltd.com\u003c\/a\u003e or \u003ca href=\"tel:+15872979269\"\u003e587-297-9269\u003c\/a\u003e.\u003c\/p\u003e\u003cp\u003eNorthern Repair LTD is a Hack Nation dealer in Grande Prairie, AB. Pickup at 3902 99 St.\u003c\/p\u003e","brand":"Hell and Back","offers":[{"title":"Default Title","offer_id":45463706632307,"sku":"C15-STG-3-HEAD","price":6822.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/7872\/0115\/files\/C15-STG-3-HEAD-gallery-01.jpg?v=1791501490","url":"https:\/\/parts.northernrepairltd.com\/products\/hell-and-back-fully-loaded-stage-3-cylinder-head-c15","provider":"Northern Repair LTD.","version":"1.0","type":"link"}