|400 SMALL BLOCK GP (GAS PORTED) 18º DOME
The same pistons as listed above equipped with lateral gas ports and machined for our new Pro Steel rings with 1.2, 1.5, 3mm axial thickness and backcut radial widths.
Pin #927-2750-15-51S (130g)
Single Spiro locks #927-073-AS
Lateral Gas Ports
Double Pin Oilers