PChevrolet Performance SP350 357 hp deluxe long block crate engines create the foundation for a high-revving 350 small block. They incorporate modern technologies, such as premium valve springs, to take these classics to a new level of high-rpm performance—and they do it without sacrificing the signature torque that's made them the benchmark of V8 engines for nearly half a century.

Features and specs include:

* Power: 357 hp
* Displacement: 350 c.i.d.
* Bore x stroke: 4.00 in. x 3.48 in.
* Compression ratio: 9.0:1
* Block: Cast iron with 4-bolt main caps
* Crankshaft: Nodular iron
* Connecting rods: Powdered metal
* Pistons: Cast aluminum
* Camshaft: Hydraulic roller
* Cam lift: .473 in. intake/.473 in. exhaust
* Cam duration at .050 in.: 215 degrees intake/223 degrees exhaust
* Cylinder heads: Cast iron
* Combustion chamber: 64cc
* Valves: 1.94 in. intake/1.5 in. exhaust
* Rocker arms: Stamped steel, 1.5:1 ratio
* Balance: External
* Dual plane intake manifold