The Manley Platinum Series Pistons are constructed from a 2618 high strength material and feature a hollow dome for a lightweight design. They are great for drag race applications. The Platinum Series also feature exact ring groove to skirt squareness and a full banded skirt design for increased skirt stability. Features: Please note: All compression ratios are calculated @ .010" deck clearance
Compression Ratio Chart Bore Stroke 112cc 118cc 124cc 4.500" 4.250" 15.2:1 14.2:1 13.3:1 4.530" 4.250" 15.4:1 14.4:1 13.5:1 4.560" 4.250" 15.6:1 14.6:1 13.6:1 4.600" 4.250" 15.8:1 14.8:1 13.8:1 Features and Specs Top Ring: 1/16", .300" down Second Ring: 1/16" Oil Ring: 3/16" Intake Valve Notch: .300" Exhaust Valve: +.090" Pin Included: Tool Steel, .150" Wall, 147 grams, 2.930" Long, .990" Dia. Spiral Locks: .042" Wide (4/piston) Recommended Piston Clearance: .006" measured 1.100" from bottom of the oil ring
Please note: All compression ratios are calculated @ .010" deck clearance
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