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Cloyes 9-1139 Engine Timing Set

Brand	Cloyes 9-1139
Roller	Yes
10339	Yes
10340	Yes
10509	No
Camshaft Sprocket Material	Metal
Keyway Adjustable	Yes
Maximum Advance At Camshaft	2
Maximum Retard At Camshaft	2
Timing Chain Type	Double roller
Crankshaft Sprocket Material	Steel
Grade Type	Performance
Tensioner Included	No
Sprockets Included	Yes
Fits	Cadillac · 72 vehicles

Adjustable timing. Three keyways let you set cam timing with precise advance or retard control.

Durable sprockets. Heat-treated steel and metal sprockets add strength for demanding engine service.

Reduced friction. A heavy-duty roller chain helps keep operation smooth and efficient.

Cross-references 201139 for the same application. See all 1.

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Engine Timing Set Overview

This Cloyes engine timing set, part number 9-1139, is built for performance-focused valve train service. It combines a billet crankshaft sprocket with adjustable keyways and heat-treated sprockets for precise timing control and durability.

Key Features

Billet crankshaft sprocket with three keyways for +/- 4 degrees of adjustability
Heat-treated sprockets for added durability
Heavy-duty half-inch pitch single roller chain for reduced friction
Double roller timing chain design
Steel crankshaft sprocket and metal camshaft sprocket
Performance-grade construction

Detailed Description

The Cloyes 9-1139 timing set is engineered for street and performance use where accurate cam timing matters. The adjustable keyway design lets you fine-tune timing, while the roller chain and heat-treated sprockets support consistent operation under demanding conditions. This timing set is a direct fit for a range of classic Cadillac applications, including Cadillac DeVille, Cadillac Fleetwood, and Cadillac Commercial Chassis models.

For buyers searching for a Cadillac DeVille timing set, Cadillac Fleetwood engine timing set, or Cadillac Commercial Chassis timing components, part number 9-1139 provides a performance-oriented solution with adjustable timing capability. This part cross-references Monroe Shocks & Struts (e.g., 201139) for the same application.

What It Is Used For

Correcting timing chain wear and stretch
Restoring camshaft and crankshaft synchronization
Improving timing accuracy during engine service
Replacing worn sprockets and chain components
Supporting performance timing adjustments

Installation Notes and Tips

Verify engine application before installation and confirm the timing marks align with the intended setup. The adjustable keyways allow timing changes, so follow the service procedure for the desired advance or retard setting. Part number 9-1139 is listed for multiple Cadillac models and years, including Cadillac Eldorado and Cadillac Seville applications.

Quality Assurance

Cloyes uses heat-treated sprockets and a performance-oriented chain design to support durability and consistent timing control in service.

This part fits 72 vehicles

Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

Year	Make	Model	Liters	Cylinders	Notes
1984	Cadillac	Commercial Chassis	6.0L	V8	Street TRUE
1984	Cadillac	Fleetwood	6.0L	V8	Street TRUE
1983	Cadillac	Commercial Chassis	6.0L	V8	Street TRUE
1983	Cadillac	Fleetwood	6.0L	V8	Street TRUE
1982	Cadillac	Commercial Chassis	6.0L	V8	Street TRUE
1982	Cadillac	Fleetwood	6.0L	V8	Street TRUE
1981	Cadillac	Commercial Chassis	6.0L	V8	Street TRUE
1981	Cadillac	DeVille	6.0L	V8	Street TRUE
1981	Cadillac	Eldorado	6.0L	V8	Street TRUE
1981	Cadillac	Fleetwood	6.0L	V8	Street TRUE
1981	Cadillac	Seville	6.0L	V8	Street TRUE
1980	Cadillac	Commercial Chassis	6.0L	V8	Street TRUE
1980	Cadillac	DeVille	6.0L	V8	Street TRUE
1980	Cadillac	Eldorado	6.0L	V8	Street TRUE
1980	Cadillac	Fleetwood	6.0L	V8	Street TRUE
1980	Cadillac	Seville	6.0L	V8	Street TRUE
1979	Cadillac	Commercial Chassis	7.0L	V8	Street TRUE
1979	Cadillac	DeVille	7.0L	V8	Street TRUE
1979	Cadillac	Fleetwood	7.0L	V8	Street TRUE
1978	Cadillac	Commercial Chassis	7.0L	V8	Street TRUE
1978	Cadillac	DeVille	7.0L	V8	Street TRUE
1978	Cadillac	Eldorado	7.0L	V8	Street TRUE
1978	Cadillac	Fleetwood	7.0L	V8	Street TRUE
1977	Cadillac	Commercial Chassis	7.0L	V8	Street TRUE
1977	Cadillac	DeVille	7.0L	V8	Street TRUE
1977	Cadillac	Eldorado	7.0L	V8	Street TRUE
1977	Cadillac	Fleetwood	7.0L	V8	Street TRUE
1976	Cadillac	Calais	8.2L	V8	Street TRUE
1976	Cadillac	Commercial Chassis	8.2L	V8	Street TRUE
1976	Cadillac	DeVille	8.2L	V8	Street TRUE
1976	Cadillac	Eldorado	8.2L	V8	Street TRUE
1976	Cadillac	Fleetwood	8.2L	V8	Street TRUE
1975	Cadillac	Calais	8.2L	V8	Street TRUE
1975	Cadillac	Commercial Chassis	8.2L	V8	Street TRUE
1975	Cadillac	DeVille	8.2L	V8	Street TRUE
1975	Cadillac	Eldorado	8.2L	V8	Street TRUE
1975	Cadillac	Fleetwood	8.2L	V8	Street TRUE
1974	Cadillac	Calais	7.7L	V8	Street TRUE
1974	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1974	Cadillac	DeVille	7.7L	V8	Street TRUE
1974	Cadillac	Eldorado	8.2L	V8	Street TRUE
1974	Cadillac	Fleetwood	7.7L	V8	Street TRUE
1973	Cadillac	Calais	7.7L	V8	Street TRUE
1973	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1973	Cadillac	DeVille	7.7L	V8	Street TRUE
1973	Cadillac	Eldorado	8.2L	V8	Street TRUE
1973	Cadillac	Fleetwood	7.7L	V8	Street TRUE
1972	Cadillac	Calais	7.7L	V8	Street TRUE
1972	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1972	Cadillac	DeVille	7.7L	V8	Street TRUE
1972	Cadillac	Eldorado	8.2L	V8	Street TRUE
1972	Cadillac	Fleetwood	7.7L	V8	Street TRUE
1971	Cadillac	Calais	7.7L	V8	Street TRUE
1971	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1971	Cadillac	DeVille	7.7L	V8	Street TRUE
1971	Cadillac	Eldorado	8.2L	V8	Street TRUE
1971	Cadillac	Fleetwood	7.7L	V8	Street TRUE
1970	Cadillac	Calais	7.7L	V8	Street TRUE
1970	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1970	Cadillac	DeVille	7.7L	V8	Street TRUE
1970	Cadillac	Eldorado	8.2L	V8	Street TRUE
1970	Cadillac	Fleetwood	7.7L	V8	Street TRUE
1969	Cadillac	Calais	7.7L	V8	Street TRUE
1969	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1969	Cadillac	DeVille	7.7L	V8	Street TRUE
1969	Cadillac	Eldorado	7.7L	V8	Street TRUE
1969	Cadillac	Fleetwood	7.7L	V8	Street TRUE
1968	Cadillac	Calais	7.7L	V8	Street TRUE
1968	Cadillac	Commercial Chassis	7.7L	V8	Street TRUE
1968	Cadillac	DeVille	7.7L	V8	Street TRUE
1968	Cadillac	Eldorado	7.7L	V8	Street TRUE
1968	Cadillac	Fleetwood	7.7L	V8	Street TRUE
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Directly replaces or cross-references 1 part number

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.

201139

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