Holley Quick Change Sec Spring 20-73

Holley Quick Change Secondary Spring Kit 20-59Diaphragm Cover - Secondary - Quick Change - Plastic - Black - Holley Carburetors - Kit

Holley 4160 Sec. Conn. Rod Kit 20-53Secondary Linkage Rod - Steel - Cadmium - Vacuum Secondary - Holley 4010 / 4160 Carburetors - Each

Holley Spring Kit 20-13Vacuum Secondary Spring - Steel - Color Coded - Holley 4150 / 4160 / 4500 Carburetors - Set of 7

Scs Gears Quick Change Gear Set 20Quick Change Gear Set - Professional - Set 20 - 10 Spline - 4.11 Ratio 5.34 / 3.16 - 4.86 Ratio 6.32 / 3.74 - Steel - Each