{"product_id":"407-cid-rotating-assembly-kit","title":"407 CID Rotating Assembly Kit","description":"The Eagle Specialty Products SBC Rotating Assembly Kit – Competition EAG12503040 is engineered for performance-oriented Small Block Chevy engine builds. This comprehensive kit includes a forged 4340 steel crankshaft and matching forged aluminum pistons with two valve reliefs, designed for a 4.165-inch bore and a 3.750-inch stroke, resulting in a 407 CID displacement.\n\nThe kit also features durable 6.000-inch H-beam connecting rods, also forged from 4340 steel, and includes necessary rod and main bearings. The assembly is internally balanced for smoother operation. The pistons are a flat-top design with a +5.00cc volume and come with floating wrist pins and plasmamoly piston rings. Note that this kit is sold as a complete assembly and does not include a harmonic balancer, flexplate, flywheel, cam bearings, gaskets, oil pump, camshaft, lifters, or timing chain and gears.\n\nThis competition-level rotating assembly is suitable for engine builds requiring robust components capable of handling higher performance demands. The use of forged materials for the crankshaft, pistons, and connecting rods ensures enhanced strength and durability over cast components. Ensure proper compatibility with your specific Small Block Chevy engine application before installation.","brand":"Eagle Specialty Products","offers":[{"title":"Default Title","offer_id":52872897233208,"sku":"EAG12503040","price":2425.11,"currency_code":"USD","in_stock":true}],"url":"https:\/\/store.motormia.co\/products\/407-cid-rotating-assembly-kit","provider":"MOTORMIA","version":"1.0","type":"link"}