Certified Engines.com High Performance GM 350 330 HP Stage 3 Long Block Crate Engines
Revitalize your vehicle with the High Performance GM 350 330 hp/380 lbs.-ft. Stage 3 long block crate engines, based on the proven small block Chevy platform and engineered for immediate performance gains. Each engine is meticulously assembled and balanced using premium components to deliver impressive power straight out of the box. Whether you're upgrading from an aging engine or seeking enhanced performance, these engines from ATK provide a reliable solution.
Stage 3 long block crate engines typically include:
- Handpicked, remanufactured OE blocks
- Cast iron cylinder heads with 76cc combustion chambers and 165cc intake runners
- 1.94 in./1.5 in. valves
- Dual plane intake manifold
- Updated crankshaft
- Updated 5.7 in. powder metal connecting rods
- Hypereutectic flat-top pistons
- Hydraulic flat tappet camshaft with .465 in. intake/.488 in. exhaust lift and 224 degrees intake/234 degrees exhaust duration at 0.50
- 9.1:1 compression ratio
- Distributor, spark plugs, and plug wires
- Valve covers
- Timing cover and double roller timing set
- Oil pan, pump, and pickup tube
- Long water pump
- Balancer and 168 tooth flexplate
