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Displacement 355-358 Cubic Inches (5.7L)
Horsepower 333 @ 5400 rmp
Torque 374 ft. lbs. @ 3800 rpm
Max. Recommended RPM 5500
Compression Ratio 9.5:1
Piston Material Hypereutectic
Connecting Rods Stock Remanufactured
Cylinder Heads New Aftermarket 64cc Chamber Heads
Valve Train Overhead Valve w/Pushrod
Camshaft Hydraulic Roller Lifter Design
Intake Valve Diameter 1.94″
Exhaust Valve Diameter 1.50″
Advertised Lift (Intake/Exhaust) .443/.465″
Advertised Duration (Intake/Exhaust) .288/.298″
Rocker Arm Ratio 1.50
Valve Lash Zero
Engine Idle Speed 650 rpm
Spark Plugs RS1YCS
Spark Plug Gap .060
Fuel Pressue Required 5 to 8 psi


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