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 2 Stage Power Valve # 125-162. FIRST STAGE 11.0" HG/ SECOND STAGE 6.0" HG
Holley 2 Stage Power Valve # 125-167. FIRST STAGE 8.0" HG/SECOND STAGE 1.5" HG.
