Small Block Crate Engine - SP350/357 Turn-Key
With 357 horsepower and more than 400 lb.-ft. of torque, the Chevrolet Performance 350/357 Turn-Key offers a great combination of performance and value.
Modern valvetrain technology is the key to its high-revving capability, pushing power to 5,500 rpm, while economical iron cylinder heads deliver excellent airflow and help make this potent crate engine more affordable. They’re matched with a friction-reducing roller camshaft that helps optimize performance across the rpm band.
The rest of 350/357 Turn-Key is built with strong, all-new components, including a brand-new four-bolt block, a durable nodular iron crankshaft and more. The Turn-Key Engine comes with the intake manifold and distributor installed. It also includes the carburetor, front-end accessory kit, chrome air cleaner, starter, and spark plug wires (some installation required).
INSTALLATION NOTES
- Front-end accessory drive included but not installed for shipment
- Comes with 12.750" externally balanced 153-tooth automatic transmission flexplate. Requires externally balanced flywheel for manual transmission.
- Requires fuel supply line to carburetor
- Not intended for marine applications
TECH SPECS
- Part Number: 19433034
- Engine Type: Chevy Small-Block V-8
- Displacement (cu in): 350
- Bore x Stroke (in): 4.000 x 3.480
- Block (P/N 19431835): Cast iron with 4-bolt main caps
- Crankshaft (P/N 12691722): Forged Steel
- Connecting Rods (P/N 10108688): Forged powder metal, shot peened
- Pistons (P/N 88894280): Cast aluminum
- Intake Manifold (P/N 12676887): Dual-plane aluminum
- Camshaft Type (P/N 12677151): Hydraulic roller
- Valve Lift (in): 0.473 intake / 0.473 exhaust
- Camshaft Duration (@.050 in): 215° intake / 223° exhaust
- Cylinder Heads: Cast iron; as cast with 62cc chambers
- Valve Size (in): 1.940 intake / 1.500 exhaust
- Compression Ratio: 9.0:1
- Rocker Arms (P/N 19210725): Stamped steel
- Rocker Arm Ratio: 1.5:1
- Recommended Fuel: Premium pump
- Ignition Timing: 32º Total @ 4,000 rpm
- Maximum Recommended rpm: 5,600
- Balanced: External
- Flexplate (P/N 14088765): 12.750"
NOTE: Distributor with melonized steel gear MUST be used with long-blocks and partial engines with steel camshafts, or engine damage will occur.