SMALL BLOCK CHEVY HIGH OUTPUT 2bbl 22?/23? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 358cid 4.035 x 1.250CH, 3.500stroke,6.000rod,0.927pin,- 4.1cc,395g,10.6CR, 4032.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 388cid 4.125 x 1.062RCH, 3.625stroke,6.125rod,0.927pin,9.0cc,442g,13.5CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 389cid 4.130 x 1.062RCH, 3.625stroke,6.125rod,0.927pin,9.0cc,444g,13.5CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 389cid 4.135 x 1.062RCH, 3.625stroke,6.125rod,0.927pin,9.0cc,445g,13.5CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 440cid 4.185 x 1.000RCH, 4.000stroke,6.000rod,0.927pin,6.0cc,444g,14.5CR, 2618.