1.0, 1.0, 2.0mm File Fit Performance Ring Set Included.
Hard Anodized Top Ring Groove for Extreme Duty Applications
1.205 Compression Height
.927 Pin Diameter
10.2cc Crown Volume
438 Grams
Compression Ratio calculated at 0.016" below deck and 0.027" head gasket thickness.
3.579" Stroke 6.242" Rod Length 345ci Specs:
65cc 12.2 CR
74cc 10.8 CR
85cc 9.5 CR
3.800" Stroke 6.125" Rod Length 366ci Specs:
65cc 12.6 CR
74cc 10.9 CR
85cc 9.9 CR