Cloyes 9-3127 timing set for the 1987-1990 Jeep Wrangler 6-cylinder 4.2L, the 1987-1995 Wrangler 4-cylinder 2.5L, the 1991-1995 Wrangler 6-cylinder 4.0L and other vehicles keeps the camshaft turning in step with the crankshaft. This Cloyes adjustable timing set, also called an engine timing set, is a performance-grade set built around a double roller chain.
- Billet crankshaft sprocket with three keyways for +/- 4 degrees of adjustability
- Both sprockets heat treated for durability
- True roller chain with a 0.250" roller diameter for reduced friction
- Three-piece set hand-matched to set the correct center distance and minimize runout
Quick facts
- Part: Cloyes 9-3127 timing set
- Also called: engine timing set
- Fits: the 1987-1990 Jeep Wrangler 6-cylinder 4.2L, the 1987-1995 Wrangler 4-cylinder 2.5L, the 1991-1995 Wrangler 6-cylinder 4.0L and other vehicles
- Material: Steel crankshaft sprocket, metal camshaft sprocket
- Condition: New
A stretched chain or worn sprockets can show up as rattling near the front of the engine, rough running or hard starting. Worn tensioners or guides, or a faulty crankshaft or camshaft position sensor, can produce similar symptoms, so find out which part is at fault before you buy a timing set.
Fits
This timing set also fits the 1974-1983 Jeep Cherokee 6-cylinder 4.2L, the 1984-2000 Cherokee 4-cylinder 2.5L, the 1987-1998 Cherokee 6-cylinder 4.0L and the 1993-1998 Jeep Grand Cherokee 6-cylinder 4.0L.
Specifications
Fit and size
- Quantity per vehicle: 1
- Pieces in the set: 3
- Chain roller diameter: 0.250"
- Keyway adjustable: Yes
- Maximum advance at camshaft: 2 degrees
- Maximum retard at camshaft: 2 degrees
Build and materials
- Timing chain type: Double roller
- Crankshaft sprocket material: Steel
- Camshaft sprocket material: Metal
- Grade: Performance
- Condition: New
- Country of origin: United States
In the box
One 3-piece timing set with sprockets and a double roller chain. This listing holds one set, and the vehicle takes one.
Frequently Asked Questions
Does the Cloyes 9-3127 timing set fit the 1987-1995 Jeep Wrangler 4-cylinder 2.5L?
Yes. Cloyes 9-3127 fits the 1987-1995 Jeep Wrangler 4-cylinder 2.5L. If your car is not named on this page, look it up in the "Vehicles it fits" section.
Does the Cloyes 9-3127 include the chain and both sprockets?
Yes. This listing is one 3-piece set with sprockets and a double roller chain, hand-matched to set the correct center distance and minimize runout.
How much cam timing adjustment do the three keyways on the Cloyes 9-3127 crankshaft sprocket give?
The billet crankshaft sprocket has three keyways for +/- 4 degrees of adjustability. Maximum advance and maximum retard at the camshaft are 2 degrees each.
Is the chain in the Cloyes 9-3127 a true roller chain?
Yes. Cloyes 9-3127 uses a double roller chain with a 0.250" roller diameter, which is there to reduce friction.
What are the sprockets in this timing set made of?
The crankshaft sprocket is steel and the camshaft sprocket is metal. Both sprockets are heat treated for durability.
