{"title":"ShiftMass™ Heads","description":"\u003cp\u003eAll ShiftMass™ heads are fully interchangeable across the system.\u003c\/p\u003e\n\u003cp\u003eChoose your form, finish, and material — every head fits every ShiftMass™ base. Swap in seconds, and update your setup as new designs are released.\u003c\/p\u003e\n\u003cp\u003eNew heads will continue to be developed and supported. If you own the system, you’re always compatible.\u003c\/p\u003e","products":[{"product_id":"shiftmass™-orbit-knob-head","title":"ShiftMass™ Orbit — Knob Head","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe ShiftMass™ Orbit Head is the foundation of the launch lineup — a 128g round profile machined from 6061-T6 aluminum and finished in anodized color. Like every ShiftMass head, Orbit threads onto the base — no adapters needed.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAlready own a ShiftMass Complete System? Swap to Orbit by hand. The base stays where it is; the head threads on cleanly.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eShiftMass™ Orbit Head in your choice of anodized finish\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e128g head weight — balanced for everyday driving\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eRound profile for a neutral hand position\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFull anodized aluminum construction\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCompatible with all current and future ShiftMass bases\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHand-swap design — no tools required once the base is set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eAvailable Finishes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003ePolished Black Anodized\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBrushed Gold Anodized\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eBrushed Grey Anodized\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBuilt entirely in a small USA machine shop in Texas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eMachined from 6061-T6 aluminum\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDesigned, machined, and assembled in-house\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eFinished with matched surface prep per colorway\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHead-only product. Requires a ShiftMass™ Weight-Adjustable Base, sold as part of our Complete System kits.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWorks with every ShiftMass Complete System — Standard Lockout and Large Lockout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eNot sure which system fits your car? Check the Complete System fitment guide, or message us with your vehicle — we'll verify before shipping.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eStreet Machine Works\u003c\/p\u003e","brand":"StreetMachineWorks","offers":[{"title":"Polished Black Anodized \/ 6-Speed • R Lower Right","offer_id":54057446899987,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 5-Speed • R Lower Right","offer_id":54074001522963,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 6-Speed • R Upper Left","offer_id":54074001555731,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 5-Speed • R Upper Left","offer_id":54074001588499,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ No Engraving","offer_id":54074001621267,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 6-Speed • R Lower Right","offer_id":54057446932755,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 5-Speed • R Lower Right","offer_id":54074001654035,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 6-Speed • R Upper Left","offer_id":54074001686803,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 5-Speed • R Upper Left","offer_id":54074001719571,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ No Engraving","offer_id":54074001752339,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 6-Speed • R Lower Right","offer_id":54057446965523,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 5-Speed • R Lower Right","offer_id":54074001785107,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 6-Speed • R Upper Left","offer_id":54074001817875,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 5-Speed • R Upper Left","offer_id":54074001850643,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ No Engraving","offer_id":54074001883411,"sku":null,"price":70.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/2562\/8435\/files\/BLACKBALLHEAD22.jpg?v=1776660079"},{"product_id":"shiftmass™-arc-knob-head-copy","title":"ShiftMass™ Apex — Knob Head","description":"\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eThe ShiftMass™ Apex Head is the lightest of the three launch heads at 120g. An extended profile wrapped in hand-sewn Charcoal Alcantara, framed top and bottom with anodized aluminum caps. Choose your cap color to accent the wrap.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eLike every ShiftMass head, Apex threads onto the base — no adapters needed.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eAlready own a ShiftMass Complete System? Swap to Apex by hand. The base stays where it is; the head threads on cleanly.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eWhat's Included\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eShiftMass™ Apex Head in Charcoal Alcantara\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003e120g head weight — lightest in the launch lineup\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eExtended profile for a taller, more visible hand position\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCharcoal Alcantara, hand-wrapped and sewn in-house\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eCompatible with all current and future ShiftMass bases\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHand-swap design — no tools required once the base is set\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eBuilt entirely in a small USA machine shop in Texas\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAluminum core machined from 6061-T6\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eAlcantara wrapped and sewn in-house\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eDesigned, machined, wrapped, and assembled by hand\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003e\u003cstrong\u003eNotes\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"[li_\u0026amp;]:mb-0 [li_\u0026amp;]:mt-1 [li_\u0026amp;]:gap-1 [\u0026amp;:not(:last-child)_ul]:pb-1 [\u0026amp;:not(:last-child)_ol]:pb-1 list-disc flex flex-col gap-1 pl-8 mb-3\"\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eHead-only product. Requires a ShiftMass™ Weight-Adjustable Base, sold as part of our Complete System kits.\u003c\/li\u003e\n\u003cli class=\"whitespace-normal break-words pl-2\"\u003eWorks with every ShiftMass Complete System — Standard Lockout and Large Lockout.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eNot sure which system fits your car? Check the Complete System fitment guide, or message us with your vehicle — we'll verify before shipping.\u003c\/p\u003e\n\u003cp class=\"font-claude-response-body break-words whitespace-normal leading-[1.7]\"\u003eStreet Machine Works\u003c\/p\u003e","brand":"StreetMachineWorks","offers":[{"title":"Polished Black Anodized \/ 6-Speed • R Lower Right","offer_id":54064164929811,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 6-Speed • R Upper Left","offer_id":54073809273107,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 5-Speed • R Lower Right","offer_id":54073809305875,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 5-Speed • R Upper Left","offer_id":54073809338643,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ No Engraving","offer_id":54073809371411,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 6-Speed • R Lower Right","offer_id":54064164962579,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 6-Speed • R Upper Left","offer_id":54073809404179,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 5-Speed • R Lower Right","offer_id":54073809436947,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 5-Speed • R Upper Left","offer_id":54073809469715,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ No Engraving","offer_id":54073809502483,"sku":null,"price":95.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 6-Speed • R Lower Right","offer_id":54064164995347,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 6-Speed • R Upper Left","offer_id":54073809535251,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 5-Speed • R Lower Right","offer_id":54073809568019,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ 5-Speed • R Upper Left","offer_id":54073809600787,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Gold Anodized \/ No Engraving","offer_id":54073809633555,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/2562\/8435\/files\/APEXBLACKHEAD79.jpg?v=1776441958"},{"product_id":"shiftmass™-new-knob-head","title":"ShiftMass™ Arc — Knob Head","description":"\u003cp style=\"text-align: left;\"\u003eThe ShiftMass™ Arc Head is the heaviest head in our \u003cbr\u003elaunch lineup at 146g. It's a contoured profile wrapped \u003cbr\u003ein hand-sewn Charcoal Alcantara over a precision-machined \u003cbr\u003e6061-T6 aluminum core. Like every ShiftMass head, it \u003cbr\u003ethreads onto the base — no adapters needed.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eAlready own a ShiftMass Complete System? Swap to Arc by \u003cbr\u003ehand. The base stays where it is; the head threads on \u003cbr\u003ecleanly.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eWhat's Included:\u003cbr\u003e- ShiftMass™ Arc Head in Charcoal Alcantara\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eFeatures:\u003cbr\u003e- 146g head weight — heaviest in the launch lineup\u003cbr\u003e- Contoured profile with a weighted, hand-filling presence\u003cbr\u003e- Charcoal Alcantara, hand-wrapped and sewn in-house\u003cbr\u003e- Compatible with all current and future ShiftMass bases\u003cbr\u003e- Hand-swap design — no tools required once the base is set\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eBuilt entirely in a small USA machine shop in Texas.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003e- Aluminum core machined from 6061-T6\u003cbr\u003e- Alcantara wrapped and sewn in-house\u003cbr\u003e- Designed, machined, wrapped, and assembled by hand\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eNotes:\u003cbr\u003e- Head-only product. Requires a ShiftMass™ Weight-Adjustable \u003cbr\u003e  Base, sold as part of our Complete System kits.\u003cbr\u003e- Works with every ShiftMass Complete System — Standard \u003cbr\u003e  Lockout and Large Lockout.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eNot sure which system fits your car? Check the Complete \u003cbr\u003eSystem fitment guide, or message us with your vehicle — \u003cbr\u003ewe'll verify before shipping.\u003c\/p\u003e\n\u003cp style=\"text-align: left;\"\u003eStreet Machine Works \u003c\/p\u003e","brand":"StreetMachineWorks","offers":[{"title":"Polished Black Anodized \/ 6-Speed • R Lower Right","offer_id":54071438704915,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 5-Speed • R Lower Right","offer_id":54074004308243,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 6-Speed • R Upper Left","offer_id":54074004341011,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ 5-Speed • R Upper Left","offer_id":54074004373779,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Polished Black Anodized \/ No Engraving","offer_id":54074004406547,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 6-Speed • R Lower Right","offer_id":54071438737683,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 5-Speed • R Lower Right","offer_id":54074004439315,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 6-Speed • R Upper Left","offer_id":54074004472083,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ 5-Speed • R Upper Left","offer_id":54074004504851,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true},{"title":"Brushed Grey Anodized \/ No Engraving","offer_id":54074004537619,"sku":null,"price":85.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/2562\/8435\/files\/archead111.jpg?v=1776882707"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0946\/2562\/8435\/collections\/DSCF1240.jpg?v=1776363741","url":"https:\/\/shiftmass.com\/collections\/shiftmass%e2%84%a2-heads.oembed","provider":"ShiftMass Systems","version":"1.0","type":"link"}