Proform Race Series Circle Track 650 CFM 4-Barrel Carburetor - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Silver/Black - Alcohol YA0815 5256 works with older Pyrometers

5256 works with older Pyrometers with thread on probe connections

Works great for small Nitrous bottles too

GM Passenger Car 1958-64

Go from bright to dark racing conditions without having to change shields

Proform Race Series Circle Track 650 CFM 4-Barrel Carburetor - Square Bore - No Choke - Mechanical Secondary - Dual Inlet - Silver/Black - Alcohol YA0815 5256 works with older PyrometersProduct Description: Carburetor Race Series Circle Track 4 Barrel 650 CFM Square Bore No Choke Mechanical Secondary Dual Inlet Aluminum Black Anodized Tumble Polished Alcohol Sold Individually PROFORM invites racers to experience the strength, innovation, and power behind the PROFORM brand. PROFORM Parts (Specialty Auto Parts U. S. A., Inc.) is a leader in the High Performance Automotive Aftermarket by engineering and manufacturing creative products