Products specifications

Block Height	10.15
Fitment	Engine Specific
Bore	4.28
CID	489
Comp Height	1.325
Comp Ratio @ 72cc	10.3:1
Comp Ratio @ 74cc	10.2:1
Comp Ratio @ 88cc	9.1:1
Dome Volume	-25
Gram Weight	521
Oversize	0.047
Rod	6.7
Stroke	4.25