{"product_id":"chev-350-vortec-330hp-gm-4-bolt-roller-cam-long-engine","title":"Chev 350 Vortec 330HP GM 4 Bolt Roller Cam Long Engine","description":"\u003cdiv\u003e\n\u003cp\u003eExperience street‑ready power with the Chev 350 Vortec 330HP GM 4 Bolt Roller Cam Long Engine. Engineered around a durable 4‑bolt main cast iron block and a hydraulic roller cam, this long engine blends classic reliability with modern efficiency for proven performance in street and cruiser builds.\u003c\/p\u003e \u003ch3\u003eSpecifications at a glance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eHorsepower: 330 HP @ 5,000 RPM\u003c\/li\u003e \u003cli\u003eTorque: 380 ft-lbs @ 3,800 RPM\u003c\/li\u003e \u003cli\u003eMax Recommended RPM: 5,500\u003c\/li\u003e \u003cli\u003eCompression Ratio: 9.1:1\u003c\/li\u003e \u003cli\u003eBlock: Cast iron four bolt with one piece rear main seal (GM 10105123)\u003c\/li\u003e \u003cli\u003eFlexplate: 168 teeth, 11\"\u003c\/li\u003e \u003cli\u003eCrankshaft: Nodular cast iron (GM 14088527)\u003c\/li\u003e \u003cli\u003eConnecting Rods: PM steel (GM 10108688)\u003c\/li\u003e \u003cli\u003ePistons: Cast aluminum (GM 12361371)\u003c\/li\u003e \u003cli\u003ePiston Rings: (GM 14089025)\u003c\/li\u003e \u003cli\u003eTiming Chain: (GM 14087014)\u003c\/li\u003e \u003cli\u003eCylinder Heads: Cast Iron 64cc Vortec chambers (GM 12558060)\u003c\/li\u003e \u003cli\u003eIntake Valves: 1.94\"\u003c\/li\u003e \u003cli\u003eExhaust Valves: 1.50\"\u003c\/li\u003e \u003cli\u003eValve Springs: 10212811\u003c\/li\u003e \u003cli\u003eRocker Arms: 1.5:1 ratio (GM 10089648)\u003c\/li\u003e \u003cli\u003eValve Lash: Zero\u003c\/li\u003e \u003cli\u003eIgnition Timing: 10 BTDC @ 700 RPM\u003c\/li\u003e \u003cli\u003eCam Specs: Hydraulic roller\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhat makes this GM 350 Vortec engine unique\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e4‑bolt main, cast iron block with a one‑piece rear main seal provides stoutness for brutal street driving and cruiser duty.\u003c\/li\u003e \u003cli\u003eHydraulic roller cam combines dependable idle and broad power for daily driving and weekend fun, while maintaining efficient fuel usage.\u003c\/li\u003e \u003cli\u003eVortec‑style performance heads (64cc chambers) deliver solid low‑to‑mid‑range torque and reliable breathing at street speeds.\u003c\/li\u003e \u003cli\u003eCarefully selected GM components finish a balanced long‑block that’s ready for installation into compatible 4‑bolt GM small‑block builds.\u003c\/li\u003e \u003cli\u003eComprehensive part compatibility—from crank and rods to pistons and timing—designed to deliver consistent performance with a proven GM drivetrain lineage.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePerfect applications\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eStreet cruisers seeking robust torque and reliable power delivery without sacrificing daily drivability.\u003c\/li\u003e \u003cli\u003eClassic car restorations or street builds that require a genuine GM small‑block foundation with a modern, roller‑cam profile.\u003c\/li\u003e \u003cli\u003ePerformance upgrades where a durable, long‑block engine is preferred for consistent throttle response and steady torque.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003e\u003cstrong\u003eShipping note:\u003c\/strong\u003e Please contact us prior to purchase for the freight quote.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"My Store","offers":[{"title":"Default Title","offer_id":47300153704618,"sku":"CHEV-330-4","price":11559.4,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0658\/7829\/4698\/files\/ad-assets_JCFD3908794_JCFD3908794-1.jpg?v=1754359621","url":"https:\/\/tgmperformance.com.au\/products\/chev-350-vortec-330hp-gm-4-bolt-roller-cam-long-engine","provider":"TGM Performance Parts","version":"1.0","type":"link"}