Products specifications

Block Height	9.48
Fitment	Engine Specific
Bore	4.125
CID	428
Comp Height	1.28
Comp Ratio @ 56cc	15.9:1
Comp Ratio @ 60cc	14.9:1
Comp Ratio @ 64cc	14.1:1
Dome Volume	6.5
Gram Weight	464
Oversize	STD
Rod	6.2
Stroke	4