• 2618 Alloy-Designed for Forced Induction and Nitrous Applications
• Offset Wrist Pins for Quiet Operation
• 3.572 Bore / 1.220" Compression Height
• Minimum .220 Underhead Thickness
• .275 Down Top Ring
• Premium H-13 Tool Steel .200" Wall Pins Included
• 1.5mm x 1.5mm x 3mm Ring Stack
• 2V PI Valve Reliefs - Will clear +1mm Valves 
• 11.52:1 Compression Ratio