Products specifications

Block Height	9
Fitment	Engine Specific
Bore	4.125
CID	428
Comp Height	1
Comp Ratio @ 58cc	15.7:1
Comp Ratio @ 64cc	14.4:1
Comp Ratio @ 76cc	12.3:1
Dome Volume	8
Gram Weight	423
Oversize	STD
Rod	6
Stroke	4