Chevrolet Performance 19333157 SBC SP350/375 HP Base Crate Engine
Obtain modern street performance in a classic small block package with this GM SP350/375 Base Engine. Engine features a solid cast-iron block with 4-bolt mains. Lightweight "fast burn" aluminum cylinder heads for optimal air flow. Dual-plane aluminum intake provides street-friendly operation. 375 horsepower and 405 ft./lbs torque. Engine also features 210cc Intake runners, 2.00" intake valve, and 1.55" exhaust valve. 62cc Combustion Chambers – 9.6:1 compression. Includes hydraulic steel roller-steel camshaft with 0.474" intake lift and 0.510" exhaust lift. Cam duration at .050": 208° Intake / 221° Exhaust.
Base package includes an aluminum intake manifold, distributor, water pump, damper, flexplate, and more.
- Long block
- Cast iron block with 4-bolt main caps
- 4.000 X 3.480 bore stroke
- 375 horsepower
- 405 ft./lbs torque
- Fast burn aluminum cylinder head
- Forged 4340 steel crankshaft
- Powdered metal connecting rods
- Hypereutectic aluminum pistons
- Hydraulic roller camshaft
- camshaft lift: .474" intake/.510" exhaust
- Camshaft duration: 208° intake/221° exhaust
- Valve size: 2.00" intake/1.55" exhaust
- 9.6:1 nominal compression ratio
- Stamped steel rocker arms
- 1.5:1 rocker arm ratio
- 93 octane recommended fuel
- Ignition timing: 36 degrees total at 4,000 rpm
- 5800 maximum recommended rpm
- External balance
- Sold each
Distributor with melonized steel gear MUST be used with longblocks
and Partial engines with steel camshafts, or engine damage will
- This product is discontinued.
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