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Divorced Choke Thermostat- Chevrolet Big Block 1Divorced Choke Thermostat- Chevrolet Big Block 2Divorced Choke Thermostat- Chevrolet Big Block 3Divorced Choke Thermostat- Chevrolet Big Block 4

Newly reproduced stock replacement choke thermostat assembly.

Divorced choke mounts directly to intake manifold surface.
Also know as a Crossover Choke.
Quantity: 1

When heated, the "loop" at the end of the bi-metal spring moves UP away from the intake manifold.

Fits:
Various GM Products w/ Chevrolet 396. 454 engines.
Chevrolet 1969-74
Chevrolet Truck 1970-76
GMC Truck 1970-76
Various Marine Applications

Note:
Verify location and direction of travel of "loop" locted on end of bi-metal spring.

Rochester OEM Choke #:
3969825, 3992082, 3999279, 6272732, 6272736
Mercury Marine Mercruiser OEM Choke #:
66205

Use divorced choke cover (Item # 1280) with this choke thermostat.

This choke thermostat is used on the following Mercury Marine applications:
200/5.0L/LX 260/5.7L 350 MAG ALPHA/BRAVO - 350 MAG. ALPHA GM 350 V-8 1987-1995
502 MAGNUM BRAVO ENGINE - 502 MAG. BRAVO GM 502 V-8 1990-1992
330 ENGINE (G.M.) - 330 MIE GM 454 V-8 1977-1980
340 HP/7.4L W/BORG WARNER TRANS (GM) - 340 MIE W/B/W GM 454 V-8 1981-1987
370 HP TRS ENGINE (CARD 37) - 370 TRS GM 454 V-8 1985-1987
330 HP ENGINE W/BORG WARNER - 330 GM 454 V-8 1982-1987
200/5.0L/LX 260/5.7L 350 MAG ALPHA/BRAVO - 200 (2 BBL.) GM 305 V-8 1987
4.3L/4.3LX ALPHA ONE ENGINE (262 CID) - 4.3L (GEN II) (2 BBL.) GM 262 V-6 1992-1993
4.3L/4.3LX ALPHA ONE ENGINE (262 CID) GEN II - 4.3L (GEN II) (2 BBL.) GM 262 V-6 1993-1995
350 MAG TOURNAMENT SKI (CARB) - 350 MAG (SKI) GM 350 V-8 1991-1996
340 HP/7.4L W/BORG WARNER TRANS (GM) - 7.4l MIE W/B/W GM 454 V-8 1988-1992
454 MAGNUM ALPHA ONE ENGINE - 454 MAG. ALPHA GM 454 V-8 1986-1988
370/400/440/460 CYCLONE TRS ENGINE - 460 TRS GM 482 V-8 1983-1986
454 MAGNUM BRAVO ENGINE - 454 MAG. BRAVO GM 454 V-8 1988-1992
370/400/440/460 CYCLONE TRS ENGINE - 370 TRS GM 454 V-8 1978-1985
200/5.0L/LX 260/5.7L 350 MAG ALPHA/BRAVO - 5.7L GM 350 V-8 1988-1995
325 ENGINE - 325 MIE GM 427 V-8 1968-1974
330 ENGINE (G.M.) - 330 GM 454 V-8 1977-1981
200/5.0L/LX 260/5.7L 350 MAG ALPHA/BRAVO - 260 GM 350 V-8 1987
7.4L TRANSMISSION W/HURTH (G.M.) - 7.4L MIE W/HURTH GM 454 V-8 1989-1992
8.2L W/HURTH TRANSMISSION MIE ENGINE - 8.2L MIE W/HURTH GM 502 V-8 1990-1992
370/400/440/460 CYCLONE TRS ENGINE - 440 TRS GM 454 V-8 1983-1986
4.3L/LX ALPHA/BRAVO (GEN II) - 4.3L (GEN II) (2 BBL.) GM 262 V-6 1996
7.4L BRAVO - 7.4L BRAVO GM 454 V-8 1988-1991
350 INBOARD ENGINE - 350 MIE GM 454 V-8 1974-1976
5.7L INBOARD ENGINE - 5.7L MIE GM 350 V-8 1994-1995
200/5.0L/LX 260/5.7L 350 MAG ALPHA/BRAVO - 5.0LX (4 BBL.) GM 305 V-8 1988-1995
370/400/440/460 CYCLONE TRS ENGINE - 400 TRS GM 454 V-8 1980-1986
5.7L COMPETITION SKI ENGINE - 5.7L COMPETITION SKI GM 350 V-8 1987-1995

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