Introducing the SP350/357 — Chevrolet Performance’s modern twist on a legendary powerhouse. Built for enthusiasts who crave dependable street performance without breaking the bank, this engine delivers 357 horsepower and 407 lb.-ft. of torque, making it the ultimate blend of strength and value.
Engineered for long-term reliability, the SP350/357 features a new 4-bolt main block, forged steel crankshaft, and Vortec iron cylinder heads, ensuring you get years of high-performance excitement. The hydraulic roller camshaft and updated dual-plane intake manifold boost power across the rpm range, giving you smooth, responsive acceleration every time you hit the gas.
Whether you’re restoring a classic cruiser or upgrading a street machine, the SP350/357 delivers the legendary small-block sound and performance you love — backed by a 24-month / 50,000-mile limited warranty.
Key Features:
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350 cu in displacement delivering 357 HP / 407 lb.-ft. torque
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Hydraulic roller cam for smoother, more efficient power
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Durable cast-iron block with 4-bolt mains
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Vortec iron heads and forged steel crankshaft
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Ready for pre-1976 street or off-road use
Tech Specs (Highlights):
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Bore x Stroke: 4.000 x 3.480 in
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Compression Ratio: 9.0:1
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Max RPM: 5,600
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Fuel: Premium pump gas
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Part Numbers: 12677170 / 19367082
Installation Notes:
Comes ready with intake manifold, distributor, damper, and flexplate. Compatible with Holley 4-barrel carburetors (included but not installed).
Chevrolet Performance Crate Engines – the heart of American muscle, redefined for today’s drivers.
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