SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 357cid 4.030 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,403g,12.0CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 357cid 4.030 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,403g,12.0CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 359cid 4.040 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,406g,12.1CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 359cid 4.040 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,406g,12.1CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 361cid 4.050 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,410g,12.1CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 361cid 4.050 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,410g,12.1CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 362cid 4.060 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,413g,12.2CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 362cid 4.060 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,413g,12.2CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 374cid 4.125 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,436g,12.5CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 374cid 4.125 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,436g,12.5CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 380cid 4.155 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,446g,12.6CR, 2618.
SMALL BLOCK CHEVY 21? FLAT TOP Gasported / Asymmetrical Valve Pockets PowerPak Plus 380cid 4.155 x 1.125CH, 3.500stroke,6.125rod,0.927pin,-8.9cc,446g,12.6CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 357cid 4.030 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,474g,13.1CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 357cid 4.030 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,474g,13.1CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 359cid 4.040 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,478g,13.2CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 359cid 4.040 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,478g,13.2CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 361cid 4.050 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,481g,13.2CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 361cid 4.050 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,481g,13.2CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 362cid 4.060 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,485g,13.3CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 362cid 4.060 x 1.250CH, 3.500stroke,6.000rod,0.927pin,12.0cc,485g,13.3CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 357cid 4.030 x 1.125CH, 3.500stroke,6.125rod,0.927pin,12.0cc,455g,13.1CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 357cid 4.030 x 1.125CH, 3.500stroke,6.125rod,0.927pin,12.0cc,455g,13.1CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 359cid 4.040 x 1.125CH, 3.500stroke,6.125rod,0.927pin,12.0cc,459g,13.2CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 359cid 4.040 x 1.125CH, 3.500stroke,6.125rod,0.927pin,12.0cc,459g,13.2CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 362cid 4.060 x 1.125CH, 3.500stroke,6.125rod,0.927pin,12.0cc,466g,13.3CR, 2618.
SMALL BLOCK CHEVY 23? DOME Gasported / Asymmetrical Valve Pockets PowerPak Plus 362cid 4.060 x 1.125CH, 3.500stroke,6.125rod,0.927pin,12.0cc,466g,13.3CR, 2618.