I have an almost brand new Holley 4160 750CFM 4 Barrel with mechanical secondaries for sale.  It was used seriously only 1 time.  I'm getting a new motor built by Barry and I'm using Quick Fuel Carbs for this setup.  I paid $529.99 brand new from CPPERFORMANCE and i'm looking for a fair offer. 

   
710-80537   
Holley Marine Carburetor
Model 4150 750 CFM Four Barrel Marine Carburetor with Mechanical Secondaries
Detailed Product Information
$529.99

Here are the technical specs.

    
Holley Marine Carburetor

710-80537
 
Category: Marine Fuel Systems
 
Brand Name: Holley Marine
 
Model 4150 750 CFM Four Barrel Marine Carburetor with Mechanical Secondaries

Features:

Model 4150
Performance calibration
Mechanical secondaries
Four corner idle system
Manual choke
"J" style vent tubes
30cc accelerator pump
Dual fuel inlet
5" air horn
Price: $529.99
 

Bill