Cloyes 9-3100B 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 links the crankshaft to the camshaft so the valves open and close in step with the pistons. This performance engine timing set uses a double roller chain.
- HEX-A-JUST design allows infinite valve timing adjustment of +/-6 degrees for tuning 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 inch roller diameter for reduced friction
- Captured needle camshaft sprocket thrust bearing to minimize friction on the block thrust surface
- Three-piece sets hand-matched for the correct center distance and minimal runout
Quick facts
- Part: Cloyes 9-3100B 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
- Material: Billet steel sprockets
- Condition: New
A rattle from the front of the engine, uneven running or a hard start can mean the chain or sprockets are worn, though the ignition system or fuel delivery can be behind uneven running and hard starts as well.
Fits
This double roller timing set also fits the 1978-1979 Chevrolet Malibu V6 3.3L and the 1961-1966 Chevrolet Suburban V8 4.6L, and each engine takes one set. Driving a different model or engine? Look up your own year, model and engine in the "Vehicles it fits" section.
Specifications
Fit and size
- Quantity per vehicle: 1
- Set: 3 pieces
- Chain roller diameter: 0.250 in
- Valve timing adjustment: +/-6 degrees
Build and materials
- Chain: double roller, TRUE Roller
- Sprockets: billet steel, heat treated
- Camshaft sprocket thrust bearing: captured needle
- Condition: New
Frequently Asked Questions
Does the Cloyes 9-3100B fit a 1970-1976 Chevrolet Impala V8 6.6L?
Yes. The Cloyes 9-3100B fits the 1970-1976 Chevrolet Impala V8 6.6L, and each engine takes one set.
How far do Cloyes Hex-A-Just timing sets adjust valve timing?
The Cloyes 9-3100B has HEX-A-JUST adjustability: infinite valve timing changes within +/-6 degrees, for tuning engine output.
What kind of chain does this timing set use?
The chain is a double roller type with TRUE Roller construction and a 0.250 inch roller diameter for reduced friction.
Are the sprockets in this timing set heat treated?
Yes. Both billet steel sprockets in this timing set are heat treated for durability.
How are the pieces in this timing set matched?
This timing set comes as three pieces that are hand-matched to qualify the correct center distance and minimize runout.
