Products specifications

Block Height	9
Fitment	Engine Specific
Bore	4.165
CID	409
Comp Height	1.425
Comp Ratio @ 58cc	13.5:1
Comp Ratio @ 64cc	12.4:1
Comp Ratio @ 76cc	10.7:1
Dome Volume	5
Gram Weight	490
Oversize	0.04
Rod	5.7
Stroke	3.75