1.5, 1.5, 3.0mm File Fit Performance Ring Set Included.
PowerPak Plus 2618 Alloy & Hard Anodized Top Ring Groove For Extreme Duty Applications
1.262 Compression Height
.927 Pin Diameter
10.5cc Crown Volume
524 Grams
3.580" Stroke 6.200" Rod Length 370ci Specs:
74cc Dependent Upon Bore Size