Products specifications

Block Height	9
Fitment	Engine Specific
Bore	4.155
CID	407
Comp Height	1.125
Comp Ratio @ 58cc	15.1:1
Comp Ratio @ 64cc	14.4:1
Comp Ratio @ 76cc	13.8:1
Dome Volume	2.5
Gram Weight	473
Oversize	0.03
Rod	6
Stroke	3.75