{"product_id":"atomic-barra-billet-crank-build-kit-destroker-kit","title":"Atomic Barra Billet Crank Build Kit - Destroker Kit","description":"\u003cdiv class=\"markdown markdown-main-panel stronger enable-updated-hr-color\" id=\"model-response-message-contentr_ca7b5566d2070d56\" dir=\"ltr\"\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eAtomic Barra Billet Crank Destroker Kit: The Absolute Race Foundation\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe Destroker Kit is the ultimate engineering solution for the dedicated Barra racer. Built to \u003cb\u003eshatter RPM ceilings\u003c\/b\u003e and withstand monumental boost, this package eliminates the compromises inherent in the OEM stroke by redesigning the engine’s foundation for \u003cb\u003emaximum stability, longevity, and speed.\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eThe Core: Atomic 86mm Billet Crankshaft\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThe foundation is the \u003cb\u003eAtomic 86mm Destroker Crankshaft\u003c\/b\u003e. Machined from a single block of \u003cb\u003ePremium 4340 Billet Steel\u003c\/b\u003e, this crankshaft offers unmatched tensile strength and fatigue resistance.\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003eFeature\u003c\/td\u003e\n\u003ctd\u003eEngineering Justification\u003c\/td\u003e\n\u003ctd\u003ePerformance Benefit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003e86mm Short Stroke\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eReduces piston travel compared to the OEM 99.2mm stroke.\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eUnlocks a higher, safer redline\u003c\/b\u003e by significantly reducing piston speed and cylinder wall side-loading.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFull Aero Counterweights\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eAerodynamically designed to slice through oil in the crankcase.\u003c\/td\u003e\n\u003ctd\u003e\n\u003cb\u003eImproves High-RPM Stability\u003c\/b\u003e by actively reducing windage and rotational drag.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eStraight Shot Oiling\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eProvides a direct, consistent oil supply path to the crankpins and conrods.\u003c\/td\u003e\n\u003ctd\u003eEnsures maximum performance and bearing life under extreme oil pump pressure and high temperatures.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eNitrided and Heat Treated\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eSurface hardened for exceptional wear resistance.\u003c\/td\u003e\n\u003ctd\u003eProvides a durable, long-lasting foundation, reducing strain on bearings and main caps.\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eThe Unmatched Rotating Assembly\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis kit pairs the billet crank with components engineered to absorb the most punishing loads, creating an assembly rated for \u003cb\u003e1800+hp\u003c\/b\u003e and over \u003cb\u003e9000 RPM\u003c\/b\u003e.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eAtomic Short Stroke FatRod Conrods\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThese rods have been hugely successful on the Barra platform, with \u003cb\u003ezero recorded H-beam failures since their release in 2004!\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eLength:\u003c\/b\u003e \u003cb\u003e161.29mm (6.350 inches)\u003c\/b\u003e — Optimized for the 86mm destroker crank.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eProfile:\u003c\/b\u003e Massive \u003cb\u003eH-beam design\u003c\/b\u003e with a 13% wider and 14% thicker beam vs. standard billet rods.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eInnovation:\u003c\/b\u003e Features \u003cb\u003epressure-fed wrist pin oiling\u003c\/b\u003e and \u003cb\u003episton crown cooling channels\u003c\/b\u003e—innovations only found in professional motorsport.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eFasteners:\u003c\/b\u003e Fitted with \u003cb\u003eCA625 high-strength fasteners\u003c\/b\u003e to survive over \u003cb\u003e8000g's of TDC reversal force\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaterial:\u003c\/b\u003e CNC-machined from \u003cb\u003eaerospace-grade billet steel\u003c\/b\u003e.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003e\u003cb\u003eAtomic Cosworth F1 Series Forged Pistons\u003c\/b\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eDesigned by \u003cb\u003eCosworth UK\u003c\/b\u003e specifically for Atomic, these are the ultimate pistons for high-boost reliability, \u003cb\u003eproven beyond 1200RWKW\u003c\/b\u003e.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eMaterial:\u003c\/b\u003e \u003cb\u003e2618 Forged Aluminium\u003c\/b\u003e—aerospace grade for superior strength and thermal stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eStructural Support:\u003c\/b\u003e Features \u003cb\u003esix internal struts\u003c\/b\u003e to support the crown and pin bosses, crucial when absorbing \u003cb\u003e8–9 tonnes of combustion force\u003c\/b\u003e sixty times per second.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cb\u003eThermal Control:\u003c\/b\u003e \u003cb\u003eFully polished crown\u003c\/b\u003e rejects combustion heat and \u003cb\u003eXylan-coated skirts\u003c\/b\u003e reduce friction and wear.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch3\u003e\u003cb\u003eDestroker Specifications \u0026amp; Summary\u003c\/b\u003e\u003c\/h3\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003eThis kit represents the pinnacle of Barra engineering, guaranteeing a foundation that will perform reliably at competition levels.\u003c\/p\u003e\n\u003ctable style=\"width: 100%;\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003eSpecification\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003eDetail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003e\u003cb\u003eStroke:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003e\u003cb\u003e86mm (Destroker)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003e\u003cb\u003eRod Length:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003e\u003cb\u003e161.29mm (6.350 inch)\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003e\u003cb\u003eRod Type:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003eAtomic Billet FatRod H-Beam, CA625 Bolts, Oil Fed Pin \u0026amp; Crown Cooling\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003e\u003cb\u003ePiston Material:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003e\u003cb\u003eCosworth F1 Series 2618 Forged Aluminium\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003e\u003cb\u003eCrank Material:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003e\u003cb\u003e4340 Billet Steel, Nitrided, Aero Counterweights\u003c\/b\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 27.8816%;\"\u003e\u003cb\u003eEngine Focus:\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 71.7573%;\"\u003eHigh-RPM, High-Boost Competition (1800+ HP Rated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cp\u003e\u003c!----\u003e\u003c\/p\u003e","brand":"Atomic Performance Products","offers":[{"title":"8.7:1 - Dish Top","offer_id":59052858179665,"sku":"306181","price":9550.0,"currency_code":"AUD","in_stock":true},{"title":"10.8:1 - Flat Top","offer_id":59052858212433,"sku":"306182","price":9550.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2115\/6365\/files\/atomic_barra_billet_crank_kit_destroke.jpg?v=1779068311","url":"https:\/\/longboostperformance.com\/products\/atomic-barra-billet-crank-build-kit-destroker-kit","provider":"LongBoost Performance Parts","version":"1.0","type":"link"}