Products specifications

Block Height	9
Fitment	Engine Specific
Bore	4.165
CID	409
Comp Height	1.125
Comp Ratio @ 58cc	15.2:1
Comp Ratio @ 64cc	14.5:1
Comp Ratio @ 76cc	13.9:1
Dome Volume	2.5
Gram Weight	479
Oversize	0.04
Rod	6
Stroke	3.75