{"product_id":"atomic-gt-r-unlimited","title":"Atomic GT-R Unlimited | Ultimate Spec Billet Crank | 2000hp+","description":"\u003cp data-end=\"337\" data-start=\"208\"\u003e\u003cstrong data-end=\"337\" data-start=\"221\"\u003eAtomic GT-R Unlimited Long Motor – Ford Barra DOHC | Ultimate Spec | Billet Crank | 2000hp+ Capable | No-Compromise Race Engine\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-end=\"674\" data-start=\"339\"\u003e\u003cstrong data-end=\"355\" data-start=\"339\"\u003eDescription:\u003c\/strong\u003e\u003cbr data-end=\"358\" data-start=\"355\"\u003eThe \u003cstrong data-end=\"387\" data-start=\"362\"\u003eAtomic GT-R Unlimited\u003c\/strong\u003e is the absolute pinnacle of Barra engine development — designed with \u003cstrong data-end=\"477\" data-start=\"457\"\u003ezero limitations\u003c\/strong\u003e, engineered for \u003cstrong data-end=\"514\" data-start=\"494\"\u003e2000+ horsepower\u003c\/strong\u003e, and built for the most extreme drag, no-prep, and competition environments. Every component in this engine is the best we offer. No shortcuts. No compromises.\u003c\/p\u003e\n\u003cp data-end=\"971\" data-start=\"676\"\u003eBuilt around an \u003cstrong\u003eAtomic Billet Crank \u003c\/strong\u003eyou can spec this monster as either 4.0L or 3.5L. Featuring a part or fully grouted and CNC-machined block, \u003cstrong data-end=\"761\" data-start=\"726\"\u003eCosworth F1-spec custom pistons\u003c\/strong\u003e, \u003cstrong data-end=\"788\" data-start=\"763\"\u003eFatRod billet conrods\u003c\/strong\u003e, \u003cstrong data-end=\"821\" data-start=\"790\"\u003ecustom tool steel head and main studs\u003c\/strong\u003e, and our \u003cstrong data-end=\"861\" data-start=\"831\"\u003ehighest-spec CNC race head\u003c\/strong\u003e, the GT-R Unlimited is \u003cstrong data-end=\"919\" data-start=\"885\"\u003erace-proven and dyno-validated\u003c\/strong\u003e in multiple 7-second full-weight cars — and beyond.\u003c\/p\u003e\n\u003cp data-end=\"1088\" data-start=\"973\"\u003eIf you're planning to break records, win events, or set a new benchmark for Barra performance, this is your engine.\u003c\/p\u003e\n\u003chr data-end=\"1093\" data-start=\"1090\"\u003e\n\u003ch3 data-end=\"1113\" data-start=\"1095\"\u003e✅ Key Features\u003c\/h3\u003e\n\u003cp data-end=\"1153\" data-start=\"1115\"\u003e\u003cstrong data-end=\"1151\" data-start=\"1115\"\u003e✅ Block \u0026amp; Bottom-End Engineering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1500\" data-start=\"1156\"\u003e\n\u003cli data-end=\"1266\" data-start=\"1156\"\u003e\n\u003cp data-end=\"1266\" data-start=\"1158\"\u003eUltrasonically tested 998-series Ford block\u003cbr data-end=\"1204\" data-start=\"1201\"\u003e• Partially or fully grouted for maximum rigidity under extreme boost\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1374\" data-start=\"1269\"\u003e\n\u003cp data-end=\"1374\" data-start=\"1271\"\u003eCNC-machined and blueprint prepped\u003cbr data-end=\"1308\" data-start=\"1305\"\u003e• Torque plate honed and decked to a fine Ra finish for MLS-D\/bronze ring sealing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1435\" data-start=\"1377\"\u003e\n\u003cp data-end=\"1435\" data-start=\"1379\"\u003eBillet main caps and \u003cstrong data-end=\"1433\" data-start=\"1400\"\u003e16mm billet steel main girdle\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1500\" data-start=\"1438\"\u003e\n\u003cp data-end=\"1500\" data-start=\"1440\"\u003eDowelling for flexplate\/flywheel and crank\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1540\" data-start=\"1502\"\u003e\u003cstrong data-end=\"1538\" data-start=\"1502\"\u003e✅ Crankshaft \u0026amp; Rotating Assembly\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1939\" data-start=\"1543\"\u003e\n\u003cli data-end=\"1650\" data-start=\"1543\"\u003e\n\u003cp data-end=\"1650\" data-start=\"1545\"\u003e\u003cstrong\u003eAtomic Billet Crank - Standard or short stroke\u003c\/strong\u003e\u003cbr data-end=\"1585\" data-start=\"1582\"\u003e• Fully counterweighted, aerodynamic, nitrided, EN040, polished, balanced\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1768\" data-start=\"1653\"\u003e\n\u003cp data-end=\"1768\" data-start=\"1655\"\u003eCustom \u003cstrong data-end=\"1692\" data-start=\"1662\"\u003eCosworth F1 forged pistons\u003c\/strong\u003e\u003cbr data-end=\"1695\" data-start=\"1692\"\u003e• Nearly 100g lighter than other common pistons but strong enough for the biggest of builds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1939\" data-start=\"1771\"\u003e\n\u003cp data-end=\"1939\" data-start=\"1773\"\u003eAtomic \u003cstrong data-end=\"1812\" data-start=\"1780\"\u003eFatRod billet H-beam conrods\u003c\/strong\u003e\u003cbr data-end=\"1815\" data-start=\"1812\"\u003e• Rated to 2000hp+, with included CA625 bolts. More with optional 0.927\" pin upgrade\u003cbr data-end=\"1881\" data-start=\"1878\"\u003e• Pressure-fed gudgeon pins and piston crown cooling\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1988\" data-start=\"1941\"\u003e\u003cstrong data-end=\"1986\" data-start=\"1941\"\u003e✅ Cylinder Head – Race CNC Unlimited Spec\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2338\" data-start=\"1991\"\u003e\n\u003cli data-end=\"2138\" data-start=\"1991\"\u003e\n\u003cp data-end=\"2138\" data-start=\"1993\"\u003eAtomic Ultimate CNC Race Head – top-tier porting and combustion shaping\u003cbr data-end=\"2067\" data-start=\"2064\"\u003e• Flow-optimised injector tracts, deep bowl CNC, optimised seat angles\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2187\" data-start=\"2141\"\u003e\n\u003cp data-end=\"2187\" data-start=\"2143\"\u003eStainless oversize intake \u0026amp; exhaust valves\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2266\" data-start=\"2190\"\u003e\n\u003cp data-end=\"2266\" data-start=\"2192\"\u003eOvate wire drag-spec valve springs, titanium retainers, hardened collets, low profile valve stem seals\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2338\" data-start=\"2269\"\u003e\n\u003cp data-end=\"2338\" data-start=\"2271\"\u003eIncludes \u003cstrong data-end=\"2336\" data-start=\"2280\"\u003eAtomic billet camshafts – Stage 4+ or 5+ or custom profile\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2367\" data-start=\"2340\"\u003e\u003cstrong data-end=\"2365\" data-start=\"2340\"\u003e✅ Valvetrain \u0026amp; Timing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2601\" data-start=\"2370\"\u003e\n\u003cli data-end=\"2401\" data-start=\"2370\"\u003e\n\u003cp data-end=\"2401\" data-start=\"2372\"\u003eAtomic anti-pump-up lifters for low maintenance or solid lifters for max RPM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2444\" data-start=\"2404\"\u003e\n\u003cp data-end=\"2444\" data-start=\"2406\"\u003eAdjustable \u003cstrong data-end=\"2442\" data-start=\"2417\"\u003evernier cam sprockets\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2536\" data-start=\"2447\"\u003e\n\u003cp data-end=\"2536\" data-start=\"2449\"\u003eHeavy-duty timing chain kit with billet crank gear and billet curved\/parabolic guides\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2601\" data-start=\"2539\"\u003e\n\u003cp data-end=\"2601\" data-start=\"2541\"\u003ePre-clearanced and matched to cam lift and spring pressure\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2637\" data-start=\"2603\"\u003e\u003cstrong data-end=\"2635\" data-start=\"2603\"\u003e✅ Oil \u0026amp; Vibration Management\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"2888\" data-start=\"2640\"\u003e\n\u003cli data-end=\"2743\" data-start=\"2640\"\u003e\n\u003cp data-end=\"2743\" data-start=\"2642\"\u003eAtomic billet all-steel oil pump\u003cbr data-end=\"2677\" data-start=\"2674\"\u003e• EDM-cut gears, nitrided CRMO backing plate, uprated bypass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2783\" data-start=\"2746\"\u003e\n\u003cp data-end=\"2783\" data-start=\"2748\"\u003eATI\/Atomic SFI-rated Super Damper - A must for 1000hp+ motors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2831\" data-start=\"2786\"\u003e\n\u003cp data-end=\"2831\" data-start=\"2788\"\u003eHigh-volume Big Ears baffled sump\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"2888\" data-start=\"2834\"\u003e\n\u003cp data-end=\"2888\" data-start=\"2836\"\u003eWindage tray and oil control enhancements standard\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"2922\" data-start=\"2890\"\u003e\u003cstrong data-end=\"2920\" data-start=\"2890\"\u003e✅ Final Assembly \u0026amp; Testing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"3193\" data-start=\"2925\"\u003e\n\u003cli data-end=\"3051\" data-start=\"2925\"\u003e\n\u003cp data-end=\"3051\" data-start=\"2927\"\u003eFully blueprint-assembled and race-clearanced in-house\u003cbr data-end=\"2984\" data-start=\"2981\"\u003e• Mains, rods, piston-to-wall, and lash tailored to race spec\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3193\" data-start=\"3054\"\u003e\n\u003cp data-end=\"3193\" data-start=\"3056\"\u003eTest-run in engine cell with custom reporting\u003cbr data-end=\"3104\" data-start=\"3101\"\u003e• Includes documentation of final compression, oil pressure, and valve train motion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-end=\"3198\" data-start=\"3195\"\u003e\n\u003ch3 data-end=\"3224\" data-start=\"3200\"\u003e📦 What’s Included\u003c\/h3\u003e\n\u003cul data-end=\"3562\" data-start=\"3225\"\u003e\n\u003cli data-end=\"3270\" data-start=\"3225\"\u003e\n\u003cp data-end=\"3270\" data-start=\"3227\"\u003eFully assembled GT-R Unlimited Long Motor\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3347\" data-start=\"3271\"\u003e\n\u003cp data-end=\"3347\" data-start=\"3273\"\u003ePowder-coated rocker and timing covers (custom colour options available)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3402\" data-start=\"3348\"\u003e\n\u003cp data-end=\"3402\" data-start=\"3350\"\u003eRun-in oil (14L), Ford oil filter, NGK spark plugs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3471\" data-start=\"3403\"\u003e\n\u003cp data-end=\"3471\" data-start=\"3405\"\u003eAtomic torque spec sheet, run-in guide, printed test cell report\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3512\" data-start=\"3472\"\u003e\n\u003cp data-end=\"3512\" data-start=\"3474\"\u003eAtomic merchandise and spare gaskets\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"3562\" data-start=\"3513\"\u003e\n\u003cp data-end=\"3562\" data-start=\"3515\"\u003e12-month conditional warranty\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 data-end=\"3595\" data-start=\"3569\"\u003e\u003cbr\u003e\u003c\/h3\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003c!----\u003e","brand":"Atomic Performance Products","offers":[{"title":"BA","offer_id":42367503138897,"sku":null,"price":35000.0,"currency_code":"AUD","in_stock":true},{"title":"BF","offer_id":42367503171665,"sku":null,"price":35000.0,"currency_code":"AUD","in_stock":true},{"title":"FG","offer_id":42367503204433,"sku":null,"price":35000.0,"currency_code":"AUD","in_stock":true},{"title":"Retrofit","offer_id":42367503237201,"sku":null,"price":35000.0,"currency_code":"AUD","in_stock":true},{"title":"Core Exchange","offer_id":42367503269969,"sku":null,"price":35000.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2115\/6365\/files\/Atomic_GT-R_Unlimited_Ultimate_Spec_Billet_Crank_2000hp.jpg?v=1779068382","url":"https:\/\/longboostperformance.com\/products\/atomic-gt-r-unlimited","provider":"LongBoost Performance Parts","version":"1.0","type":"link"}