Cloyes 9-3100A 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 time with the crankshaft. This engine timing set is the Cloyes Hex-A-Just type, built for tuning valve timing.
- Part of the Cloyes High Performance line
- Hex-A-Just design allows infinite valve timing adjustment of +/-6 degrees to tune engine output
- One-piece camshaft sprocket with a billet eccentric camshaft dowel bushing
- Both billet steel sprockets are heat treated for durability
- True roller chain with a 0.250" roller diameter for reduced friction
- Captured needle camshaft sprocket thrust bearing to minimize block thrust surface friction
Quick facts
- Part: Cloyes 9-3100A timing set
- Also called: engine timing set
- Fits: 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
- Condition: New
A rattle from the front of the engine or rough running can mean the chain and sprockets are worn, though a worn distributor or a weak fuel pump can be behind rough running too, so find the cause before you replace the set.
Fits
This timing set also fits the 1978-1979 Chevrolet Malibu V6 3.3L, the 1978-1981 Malibu V8 5.7L, the 1979-1982 Malibu V8 4.4L, the 1979-1983 Malibu V8 5.0L and the 1980-1983 Malibu V6 3.8L, along with the 1961-1966 Chevrolet Suburban V8 4.6L and the 1966 Suburban V8 5.3L. If your Chevrolet or GMC is not named here, look up its year and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Chain roller diameter: 0.250"
- Valve timing adjustment: +/-6 degrees
Build and materials
- Sprockets: billet steel, heat treated
- Chain: true roller
- Camshaft sprocket thrust bearing: captured needle
- Condition: New
In the box
Two billet steel sprockets, a roller chain and a captured needle camshaft sprocket thrust bearing. This listing is one set, and each vehicle takes one.
Frequently Asked Questions
Does the Cloyes 9-3100A fit the 1978-1981 Chevrolet Malibu V8 5.7L?
Yes. The Cloyes 9-3100A timing set fits the 1978-1981 Chevrolet Malibu V8 5.7L. Other years and engines are in the "Vehicles it fits" section.
What parts come with the Cloyes 9-3100A besides the chain?
The Cloyes 9-3100A includes two billet steel sprockets and a captured needle camshaft sprocket thrust bearing along with the roller chain. This listing is one set.
How big are the rollers on the chain in this timing set?
The true roller chain has a 0.250" roller diameter, which reduces friction.
How much valve timing adjustment does the Hex-A-Just design give?
The Hex-A-Just design allows infinite valve timing adjustment of +/-6 degrees, so you can tune the timing for engine output.
What does the thrust bearing in the Cloyes 9-3100A do?
The captured needle camshaft sprocket thrust bearing minimizes friction on the block thrust surface.
