1.0, 1.0, 2.0mm File Fit Performance Ring Set Included.
1.095R Compression Height - Compression Heights with "R" INCLUDE Oil Support Rails
.927 Pin Diameter
6cc Crown Volume
426 Grams
Compression Ratio calculated at 0.016" below deck and 0.027" head gasket thickness.
4.050" Stroke 6.125" Rod Length 392ci Specs:
65cc 12.9 CR
74cc 11.5 CR
85cc 10.2 CR