Manufacturer: Moroso Performance Products. Holley Vacuum Secondary Spring Kit; Custom Tailor Secondary Opening/Closing Rate; Incl. Instructions/Seven Springs [Color Coded From Light to Heavy];. HOLLEY VAC SEC SPRING KIT.
Demon SECONDARY Bowl for Vacuum Secondary Carbs, Polished Aluminum
Holley 4150 Premium HP Series Carb Kit For 950-1050 CFM For Vacuum Secondary.
Holley Electric Choke Conversion Kit For Vacuum Secondary.
Holley Manual Choke Cable Mounting Bracket For Vacuum Secondary Carbs.
Holley Model 4180 Blue Gasket Kit For Vacuum Secondary 600 CFM Carbs
Holley Manual Choke Conversion Kit For Vacuum Secondary.
