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Stock Performance Engines

If you are looking to improve the performance of your vehicle, look no further.

This package will offer you the performance and dependability you are looking for! This engine is ideal for streetrods, Corvettes, Camaros and other performance vehicles. Priced very reasonably, this engine includes the block, Vortec-style heads, oil pump and timing cover.


Displacement355-358 Cubic Inches (5.7L)
Horsepower333 @ 5400 rmp
Torque374 ft. lbs. @ 3800 rpm
Max. Recommended RPM5500
Compression Ratio9.5:1
Piston MaterialHypereutectic
Connecting RodsStock Remanufactured
Cylinder HeadsNew Aftermarket 64cc Chamber Heads
Valve TrainOverhead Valve w/Pushrod
CamshaftHydraulic Roller Lifter Design
Intake Valve Diameter1.94"
Exhaust Valve Diameter1.50"
Advertised Lift (Intake/Exhaust).443/.465"
Advertised Duration (Intake/Exhaust).288/.298"
Rocker Arm Ratio1.50
Valve LashZero
Engine Idle Speed650 rpm
Spark PlugsRS1YCS
Spark Plug Gap.060
Fuel Pressue Required5 to 8 psi



Specs are for the 330 hp 350 Chevy with Vortec Style Head version Jasper Stock Performance Engine. Other versions are available.