Products specifications

Block Height	9
Fitment	Engine Specific
Bore	4.155
CID	407
Comp Height	1.125
Comp Ratio @ 58cc	13.3:1
Comp Ratio @ 64cc	12.8:1
Comp Ratio @ 76cc	12.3:1
Dome Volume	-6
Gram Weight	446
Oversize	0.03
Rod	6
Stroke	3.75