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ADVANCED ENGINE DESIGN
Quick Change Vacuum Secondary Tuning Kit, by ADVANCED ENGINE DESIGN, Man. Part # 5585
Vacuum Secondary Spring - Quick Change - Housing - Steel - Color Coded - Holley Carburetors - Kit$32.90 -
HOLLEY
Spring Kit , by HOLLEY, Man. Part # 20-13
Vacuum Secondary Spring - Steel - Color Coded - Holley 4150 / 4160 / 4500 Carburetors - Set of 7$20.08 -
DEMON CARBURETION
Step-Up Piston Spring Kit - Street Demon, by DEMON CARBURETION, Man. Part # 1937DEM
Carburetor Springs - Step Up - Color Coded - Street Demon Carburetors - Kit$40.53 -
QUICK FUEL TECHNOLOGY
Vacuum Secondary Spring Kit, by QUICK FUEL TECHNOLOGY, Man. Part # 38-100QFT
Vacuum Secondary Spring - Steel - Color Coded - Holley / Quick Fuel Carburetors - Set of 7$17.05 -
ADVANCED ENGINE DESIGN
Vacuum Secondary Tuning Kit, by ADVANCED ENGINE DESIGN, Man. Part # 5580
Vacuum Secondary Spring - Steel - Color Coded - Holley Carburetors - Set of 7$15.75 -
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DEMON CARBURETION
Vacuum Spring Assortment , by DEMON CARBURETION, Man. Part # 120083
Vacuum Secondary Spring - Steel - Color Coded - Demon / Holley 4150 / 4160 Carburetors - Set of 7$14.46
