AED Holley Carb Metering Block Conversion Kit - Fits Holley 450-600 Side Pivot Bowls Clutch Pressure Plate 1989-1991 Chevrolet V3500

1989-1991 Chevrolet V3500

Idle speed position screw and idle speed spring

1987-1988 Chevrolet V10 Suburban

1976-1987 Oldsmobile Cutlass Supreme

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AED Holley Carb Metering Block Conversion Kit - Fits Holley 450-600 Side Pivot Bowls Clutch Pressure Plate 1989-1991 Chevrolet V3500These handy kits are designed to convert 4160 carburetors to 4150 style with the addition of new metering blocks and hardware kits that provide you with the means to effectively tune the secondary side of the carburetor over the nonadjustable jet plates. Includes all components necessary except main jets. AED Performance has offered the highest quality carburetor components for over 25 years. Product Description: Metering Block Secondary Conversion to