Cloyes 9-3100AZ timing set for the 1959-1967 Chevrolet Impala V8 4.6L, the 1962-1969 Impala V8 5.3L, the 1968 Impala V8 5.0L, the 1969-1971 Impala V8 5.7L, the 1970-1976 Impala V8 6.6L, the 1974-1982 Impala V8 5.7L, the 1979-1984 Impala V8 5.0L, the 1980-1982 Impala V8 4.4L, the 1980-1984 Impala V6 3.8L and other vehicles keeps the camshaft turning in step with the crankshaft.
- Hex-A-Just design allows infinite valve timing adjustability of +/-6 degrees
- One-piece camshaft sprocket with a billet eccentric camshaft dowel bushing
- Both sprockets are heat-treated billet steel for durability
- True roller "Z" chain with a 0.250 in roller diameter for reduced friction
- "Z" chain with a press-fit center link that increases load distribution and pre-stressed links for fatigue life
- Captured needle camshaft sprocket thrust bearing reduces friction at the block thrust surface
Quick facts
- Part: Cloyes 9-3100AZ timing set
- Also called: engine timing set
- Fits: 1959-1967 Chevrolet Impala V8 4.6L, the 1962-1969 Impala V8 5.3L, the 1968 Impala V8 5.0L, the 1969-1971 Impala V8 5.7L, the 1970-1976 Impala V8 6.6L, the 1974-1982 Impala V8 5.7L, the 1979-1984 Impala V8 5.0L, the 1980-1982 Impala V8 4.4L, the 1980-1984 Impala V6 3.8L and other vehicles
- Condition: New
A stretched or worn engine timing set can show up as a rattle at the front of the engine, a rough idle or timing that drifts. These signs alone do not prove the timing set is at fault; a weak ignition component can cause a rough idle too.
Fits
This Cloyes timing set is listed for a wide range of Chevrolet models, including the 1978-1979 Chevrolet Malibu V6 3.3L, which takes one set, and the 1961-1966 Chevrolet Suburban V8 4.6L, which also takes one. Open the "Vehicles it fits" section to check your exact model and engine.
Specifications
Fit and size
- Quantity per vehicle: 1
- Valve timing adjustment: +/-6 degrees
- Chain roller diameter: 0.250 in
Build and materials
- Sprockets: billet steel, heat treated
- Camshaft sprocket thrust bearing: captured needle
- Condition: New
Frequently Asked Questions
Does the Cloyes 9-3100AZ timing set fit the 1978-1979 Chevrolet Malibu V6 3.3L?
Yes, the Cloyes 9-3100AZ is listed for the 1978-1979 Chevrolet Malibu V6 3.3L, which takes one set; for other cars, open the "Vehicles it fits" section.
How much valve timing adjustment do Cloyes Hex-A-Just timing sets give?
The Hex-A-Just design allows infinite valve timing adjustability of +/-6 degrees. The one-piece camshaft sprocket carries a billet eccentric camshaft dowel bushing.
What kind of chain does this Cloyes timing set use?
The Cloyes 9-3100AZ uses a true roller "Z" chain with a 0.250 in roller diameter and a press-fit center link. It has about 33% more overall strength than the standard high performance chain.
How can I tell if my timing set is worn?
A worn timing set can show as a rattle at the front of the engine, a rough idle or timing that drifts. A shop can test the timing, because that check needs the engine running.
Does this Cloyes timing set include a camshaft thrust bearing?
Yes. The Cloyes 9-3100AZ includes a captured needle camshaft sprocket thrust bearing, which reduces friction at the block thrust surface.
