What i have for sale is a pair of Venturi Cluster booster inserts. When you race with the 2-jet you need to replace this with a new pair. You can't just get out a drill and turn the 1/16" hole into a 1/4" hole, it just doesn't work.
Holley Dominator Carburetor Rebuilder Venturi Booster Pins Progressive Linkage
Holley Performance 34-34 Venturi Booster Kit
DeatschWerks 9-403-1047 fits Ford Mustang V6/GT w/ 1/8in Venturi 415LPH DW400 F
For PORSCHE (2001-2004) Intake Manifold Venturi Tube O.E.M. + 1 YEAR WARRANTY
G FORCE CLUSTER SHAFT-RACING-ASPHALT-OVAL-NASCAR-XFINITY-ARCA-TRUCKS-JERICHO
ANDREWS A 431 CLUSTER SHAFT-RACING-NASCAR-ASPHALT-JERICO-G-FORCE-GSR-USED