HOLLEY 750 VACC SECONDARY. 3310. FRESH REBUILD.
HOLLEY 750 VACC SECONDARY. 3310. FRESH REBUILD. ***********Please read below MORE************** This is a Holley 750 Vacc secondary high performance carb. These are for hi peformance street engines on 350 and up engines. These have the same basic body and bowls etc as a double pump but vacc secondary which is generally better for street use. These are similar to the GTHO and Boss 351 carbs but work well on all performance applications.A major step up from a 4160 style 600. Though I do have one