Description Description Diaphragm Cover - Secondary - Quick Change - Plastic - Black - Holley Carburetors - Kit View AllClose
Out of stock Quick view Quick Change Sec Spring (HLY20-73) HOLLEY MSRP: Now: $88.09 Was: Diaphragm Cover - Secondary - Quick Change - Plastic - Black - Dual Holley Carburetors - Kit
Out of stock Quick view Quick Change Vacuum Secondary Tuning Kit (AED5585) ADVANCED ENGINE DESIGN MSRP: Now: $32.90 Was: Vacuum Secondary Spring - Quick Change - Housing - Steel - Color Coded - Holley Carburetors - Kit
Add to Cart Quick view Spring Kit (HLY20-13) HOLLEY MSRP: Now: $20.65 Was: Vacuum Secondary Spring - Steel - Color Coded - Holley 4150 / 4160 / 4500 Carburetors - Set of 7
Add to Cart Quick view Pro-Series Secondary Linkage (HLY20-122) HOLLEY MSRP: Now: $51.69 Was: Secondary Linkage - Adjustable - Stainless - Natural - Mechanical Secondary Holley 4150 / 4150 HP Carburetors - Kit
Add to Cart Quick view Spring Rod Bracket (HLY20-91) HOLLEY MSRP: Now: $15.46 Was: Linkage Extension - Transmission Kickdown - Steel - Black Paint - Ford - Kit