Edelbrock Uni-Syn Carburetor Balancing Instrument # ED4025 Cylinder Head Initial timing - 10-160 and

Initial timing - 10-160 and Total timing 32-340

1 and 2-Barrel

spacer must be used

NEW BluePrint Cast Iron BlockManufactured and Machined in the USA

Edelbrock Uni-Syn Carburetor Balancing Instrument # ED4025 Cylinder Head Initial timing - 10-160 andEdelbrock Uni Syn Carburetor Balancing Instrument # ED4025 Carburetor Balancing Instrument, Multiple Carburetor Setup Tool, 1 and 2 Barrel, Round Top, Uni Syn "A", Each Balancing Tool Material: Aluminum Balancing Tool Finish: Natural Fuel Delivery Style: Carbureted Quantity: Sold individually. Edelbrock Uni Syn balancing instruments are precision tools that provide a visual method of balancing multiple carburetors to a high degree of accuracy.