Chev SB DomeCylinder Bore: 4.250"- 4.310”Compression Distance: 1.640"Stroke/Rod: 4.000" w/ 6.135" Rod Dome Volume: .100”Comp Ratio 4.000" Stroke w/109.4cc Heads: 9.08-9.44
Chev BB DomeCylinder Bore: 4.250"- 4.310”Compression Distance: 1.640"Stroke/Rod: 4.000" w/ 6.135" Rod Dome Volume: .340”Comp Ratio 4.000" Stroke w/109.4cc Heads: 10.73-11.49