Advanced Engine Design 5585 Tuning Kt Quick Change

Advanced Engine Design 5585 Quick Change Vacuum Secondary Tuning Kit

ADVANCED ENGINE DESIGN Quick Change Vacuum Secondary Tuning Kit

AED 5585 Holley Quick Change Vacuum Secondary Tuning Kit

AED 5585 Vacuum Secondary Quick Change Tuning Kit w/ Springs - Holley 4150/4160

AED 5580 Holley Carburetor Vacuum Secondary Spring Tuning Kit-4160 series

Advanced Engine Design Vacuum Secondary Spring Set for Holley Carburetors (Part