{"product_id":"atomic-barra-billet-rods-destroker-fatrods","title":"Atomic Barra Billet Rods | Destroker 'FatRods'","description":"\u003cdiv class=\"atomic-header\"\u003e\n\u003ch1 class=\"atomic-title\"\u003eAtomic \"Destroker\" FatRod Conrods\u003c\/h1\u003e\n\u003cdiv class=\"atomic-subtitle\"\u003eFor 3.5L De-Stroker Cranks | Optimized Rod Ratio\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003cdiv class=\"atomic-grid\"\u003e\n\u003cdiv\u003e\n\u003ch2\u003eThe Geometry of Speed\u003c\/h2\u003e\n\u003cp\u003eWhen you are building a dedicated high-RPM race engine, the standard Barra geometry becomes a limitation. The Atomic \"Destroker\" FatRod is designed specifically for our 86mm Stroke (3.5L) Crankshaft. At\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e161.29mm (6.350\")\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003elong, this rod significantly improves the rod-to-stroke ratio compared to the factory setup.\u003c\/p\u003e\n\u003cdiv\u003e\n\u003cstrong\u003e💡 DID YOU KNOW?\u003c\/strong\u003e\n\u003cp\u003e\u003cstrong\u003eRod Ratio determines piston speed.\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe factory Barra has a relatively low rod ratio of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.54\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(153mm rod \/ 99.3mm stroke), which limits safe RPM. This Destroker kit increases the rod length to 161.29mm and reduces stroke to 86mm, yielding a near-perfect race ratio of\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e1.87\u003c\/strong\u003e. This geometry drastically reduces side loading and peak piston acceleration, allowing the engine to rev higher safely with only a minor ~500rpm shift in the torque curve.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch2\u003eThe Atomic Solution\u003c\/h2\u003e\n\u003cp\u003eBuilt on our legendary \"FatRod\" architecture, these rods feature the same 13% wider H-beam profile and aerospace billet steel construction that has resulted in zero failures since 2004. They come standard with\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCA625 High-Tensile Bolts\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efor ultimate clamping force and feature our signature pressure-fed pin oiling to keep wrist pins alive at 9000+ RPM.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/5548\/1713\/files\/IMG_7116_7785d9ca-4ca1-45cf-800b-97a5e785bd3b.jpg?v=1769658898\" alt=\"Atomic Destroker FatRod Conrods\" class=\"atomic-img\"\u003e\n\u003cdiv class=\"img-caption\"\u003eLonger Rods. Shorter Stroke. Higher RPM.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"atomic-section\"\u003e\n\u003cdiv class=\"atomic-grid\"\u003e\n\u003cdiv\u003e\n\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0587\/5548\/1713\/files\/IMG_6017atomic_barra_fatrod_conrod_ca625_bolts_oiling_hole_little_end.jpg?v=1756800454\" alt=\"Pressure Fed Pin Oiling Detail\" class=\"atomic-img\"\u003e\n\u003cdiv class=\"img-caption\"\u003eAdvanced Oil Management: Pin Oiling \u0026amp; Crown Cooling.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch2\u003eEngineered for 9000+ RPM\u003c\/h2\u003e\n\u003cp\u003eHigh RPM kills wrist pins. We engineered specific oil pathways to keep your rotating assembly alive where others fail.\u003c\/p\u003e\n\u003cul class=\"atomic-list\"\u003e\n\u003cli\u003e\n\u003cstrong\u003ePressure-Fed Pin Oiling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eA dedicated channel forces pressurized oil directly into the wrist pin bushing, critical for the high inertial loads of a de-stroked engine.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePiston Crown Cooling:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBuilt-in oil squirters spray the underside of the piston crown, pulling heat out of the combustion chamber to resist detonation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCA625 Fasteners:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvery set comes pre-fitted with CA625 bolts, offering superior clamping force for extreme RPM stability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Atomic","offers":[{"title":"Default Title","offer_id":46876069396638,"sku":null,"price":1937.78,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0323\/6482\/2661\/files\/fatrod_on_steel_bench_2000x_e5016f67-5c82-430b-a919-833759e7e65e.jpg?v=1779776788","url":"https:\/\/www.performanceheaven.com.au\/products\/atomic-barra-billet-rods-destroker-fatrods","provider":"performanceheaven","version":"1.0","type":"link"}