Single-Stage Power Valve Standard Flow 10.5 in. Hg; Single-Stage Power Valve Standard Flow 10.5 in. Hg;.
Holley EFI Main Power harness 558-308 CPW
Holley 2 Stage Power Valve # 125-255. FIRST STAGE 7.0" HG/SECOND STAGE 2.5" HG.
Holley 2 Stage Power Valve # 125-175. FIRST STAGE 10.5" HG/SECOND STAGE 3.75" HG
Holley 2 Stage Power Valve # 125-169. FIRST STAGE 9.0" HG/SECOND STAGE 5.0" HG.
Holley 2 Stage Power Valve # 125-170. FIRST STAGE 9.5" HG/SECOND STAGE 3.5" HG.
Holley Corvette Tri Power Outer Carb Vacuum Diaphragms - Twin Pack.
