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
-2.2cc Crown Volume
405 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 11.6 CR
74cc 10.5 CR
85cc 9.4 CR