Products specifications

Block Height	9
Fitment	Engine Specific
Bore	4.125
CID	387
Comp Height	1.187
Comp Ratio @ 58cc	14.5:1
Comp Ratio @ 64cc	13.9:1
Comp Ratio @ 76cc	13.3:1
Dome Volume	2.5
Gram Weight	468
Oversize	STD
Rod	6
Stroke	3.625