{"title":"Cylinder Heads","description":"\u003cp\u003eCylinder Heads from Hell and Back \/ Hack Nation — Official Northern Alberta dealer: Northern Repair LTD.\u003c\/p\u003e","products":[{"product_id":"hell-and-back-fully-loaded-stage-3-cylinder-head-isx-15-dohc","title":"Hell and Back Fully Loaded Stage 3 Cylinder Head — ISX-15 DOHC","description":"\u003cp\u003e\u003cstrong\u003eA fully loaded Stage 3 head for the dual-cam Cummins ISX, with Inconel valves on both sides.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHack Nation's fully loaded Stage 3 cylinder head for the dual overhead cam ISX. Fewer of these engines run every year, and the owners who keep them want them done right. This one is on our shelf.\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\u003eCummins ISX dual overhead cam (DOHC) only: CM870\/CM871 twin-cam engines. Not for single-cam ISX15 or X15. Cross-reference: 5658283.\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":45463706337395,"sku":"DOHC-STG-3-HEAD","price":6822.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/7872\/0115\/files\/DOHC-STG-3-HEAD-gallery-01.jpg?v=1791501514"},{"product_id":"hell-and-back-fully-loaded-stage-3-head-x15-isx15-sohc","title":"Hell and Back Fully Loaded Stage 3 Head — X15\/ISX15 SOHC","description":"\u003cp\u003e\u003cstrong\u003eA fully loaded Stage 3 head for the single-cam Cummins ISX15 and X15, with Inconel intake and exhaust valves.\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eHack Nation's fully loaded Stage 3 cylinder head for the single overhead cam ISX15 and X15 (CM2250 \/ CM2350), the most common Cummins head in our bays.\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\u003eCummins ISX15 and X15 single overhead cam (SOHC), CM2250 \/ CM2350. Not for dual-cam CM870\/871. Cross-reference: 4298234.\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":45463706370163,"sku":"SOHC-STG-3-HEAD","price":6822.28,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/7872\/0115\/files\/SOHC-STG-3-HEAD-gallery-01.jpg?v=1791501519"},{"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"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/7872\/0115\/collections\/pick-heads-c15.jpg?v=1791510926","url":"https:\/\/parts.northernrepairltd.com\/collections\/cylinder-heads.oembed","provider":"Northern Repair LTD.","version":"1.0","type":"link"}