Products specifications

Bore	4.030"
Fitment	Vehicle Specific
Comp Distance	1.115"
Comp Ratio	11.9:1 @ 64cc,11.6:1 @ 66cc, 11.1:1 @ 70cc, 10.9:1 @ 72cc
Pin Diameter	.927"
Piston Type	-4cc Flat Top
Rod Length	6.125"
Stroke	4.000"
Weight	400g (w/ Pin 495g)