Features

• Universal linkage arm rotates 180 degrees
• Fits standard 1 barrel carb flanges from 2-11/16" to 2-15/16" mounting bolt centers (slotted flange)
• Uses clamp-on air cleaner, 2.27" diameter
• Tall design matches Rochester Model B and Zenith 28/228 carburetors, overall height 6.75"
• Manual choke
• Includes inline fuel filter, flange gasket, instructions
• Adjustable main jet
• Throttle opens counter-clockwise

The Y200 Zenith 28 style replaces 1 barrel downdraft carburetors on 200 – 300+ CID 6 cylinder applications.

This carburetor is a direct replacement for Carter W-1, Rochester Model B and Zenith 28/228 carburetors used on Chevrolet, Chevrolet Truck and GMC applications with a clamp-on air cleaner. Does not fit air cleaners with wing nut retainers.

Also suitable for replacing Carter 1 bbl carbs such as the Carter BB, WA-1 and WE. Note that some BB carbs on Chrysler products open the throttle clockwise; the Y200 opens counter-clockwise.

New, not rebuilt, replacement 1 barrel carburetor for 200-300+ CID 6 cylinder applications. Features manual choke, universal type linkage, clamp-on air cleaner mounting and linkage adapters for various applications. Specifically designed to replace Carter W-1, Rochester Model B and Zenith 28/228 carburetors on Chevrolet and GMC applications.

Ethanol compatible. Replaces most 1 barrel downdraft carburetors that use a clamp-on air cleaner and manual choke.

Applications

The following applications have been tested for fit.

The carburetor can be used on many other vehicles and machines with little or no modification.

Chevrolet
1937-1956	Direct Fit
1957-1962	Requires aftermarket air cleaner
1963-1967	Requires aftermarket air cleaner; flip throttle lever
1968-1979+	Requires aftermarket air cleaner; flip throttle lever; use auxiliary throttle return spring
Chevrolet Truck
1937-1959	Direct Fit
1960-1967	Requires aftermarket air cleaner
1968-1978+	Requires aftermarket air cleaner; flip throttle lever; use auxiliary throttle return spring
Hupmobile
1935-1939	6 cylinder
Kaiser-Frazer
Carter carb numbers 574S, 814S, 833S
Oldsmobile
1936-1940 6 cylinder	Carter carb numbers 327S, 339S, 342S, 351S, 385S, 388S, 425S, 426S, 466S, 467S
Packard
1937-1950 6 cylinder	Carter carb numbers 359S, 477S, 530S
Pontiac
1933-1947 6 and 8 cylinder		Carter carb numbers 255S, 266S, 280S, 283S, 298S, 306S, 314S, 315S, 322S, 324S, 340S, 350S, 352S, 364S, 400S, 401S, 432S, 433S, 462S, 463S, 494S, 521S, 545S, 537S, 717S, 718S
1948-1952 Standard transmission only
1966-1978	Requires aftermarket air cleaner; flip throttle lever; use auxiliary throttle return spring
Willys
1948 6 cylinder	Carter WA-1 645S
1950 4 cylinder	Carter YF 768S	Station Wagon, Jeepster, Panel Delivery, 4WD Truck, 2WD Truck
1950-1951 4 cylinder	Carter YF 832S	Station Wagon, Jeepster, Panel Delivery, 4WD Truck, 2WD Truck
1952 6 cylinder	Carter YF 937S Requires aftermarket air cleaner	Aero Lark
1956-1965 4 cylinder	Carter YF 2392S	Dispatcher DJ-3A, 6A