Lifter Type:Hydraulic Roller;Bundle Listing:yes;Type:Hydraulic Retrofit Roller Lifters;Application:All for GM SBC 350 265 - 400;Quantity:8 Pairs;Link Bar:Vertical;Fit for:For chevrolet small block 265 1955-1957 4.3L;Lifter Outside Diameter (in):0.8425 in