{"product_id":"callies-cabbp425-cs-compstar-big-block-chev-forged-4340-crankshaft-4-250-stroke-2-750-mains-2-200-pins-internal-balance-nitrided","title":"Callies CABBP425-CS Compstar Big Block Chev Forged 4340 Crankshaft 4.250\" Stroke 2.750\" Mains 2.200\" Pins Internal Balance Nitrided","description":"\u003cul\u003e\n\u003cli\u003eAverage Weight for 4.500 in. Stroke Balanced to 2350g Bob. = 72 lbs \u003c\/li\u003e\n\u003cli\u003e 8 Counterweight Design \u003c\/li\u003e \u003cli\u003eAll Rod Journals Lightened \u003c\/li\u003e\n\u003cli\u003eHeat Treatment = Nitride Case \u003c\/li\u003e  \u003cli\u003eRequires narrow bearings \u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eDrawing from the deep history of experience at Callies, our Compstar engineers have been able to combine the best characteristics of performance crankshaft design into the Compstar \"Compweight\" for Big Block Chevy applications Produced from 4340 material that is triple heat treated and stress relieved during machining. Compstar BBC Compweights will remain true during severe duty use.\u003cbr\u003e All Compstar Compweights are center counterweighted for reduced bearing loads during high RPM use. Machined with .125 journal radii and conventional straight shot oiling, these cranks offer simple durability. With all 4 rod journals drilled, Compstar BBC Compweight cranks weigh in at 75lbs or less. Compweights are fully deep case nitrided.\u003c\/p\u003e\u003cbr\u003e\u003cbr\u003e","brand":"Callies Performance","offers":[{"title":"Default Title","offer_id":44877525123383,"sku":"CABBP425-CS","price":1770.3,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0680\/9364\/1015\/files\/55586.jpg?v=1780484027","url":"https:\/\/enginemaster.com.au\/products\/callies-cabbp425-cs-compstar-big-block-chev-forged-4340-crankshaft-4-250-stroke-2-750-mains-2-200-pins-internal-balance-nitrided","provider":"Engine Master","version":"1.0","type":"link"}