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1977 Buick Skylark

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Cloyes S391 Engine Timing Crankshaft Sprocket
for 1977 Buick Skylark

Cloyes S391 Engine Timing Crankshaft Sprocket - 1977 Buick Skylark

Cloyes
Brand:Cloyes
Part Number: S391
UPC: 750385102560
Weight: 0.52 lbs
Condition:New



Availability:
0 in Stock
 OUT OF STOCK

Product Information

Description:

Get the Cloyes S391 Engine Timing Crankshaft Sprocket for your 1977 Buick Skylark. Buy now and secure your purchase online!

Along with the timing chain, tensioners, and guides, sprockets are an integral component within the timing system. Timing gears and sprockets are available as part of complete timing kits as well as for individual purchase and installation

Features and Benefits:

  • CAD designed and manufactured using premium materials
  • Each part is extensively tested and measured for function, fitment, and durability to ensure optimal performance
  • Featuring precision-tooled or machined tooth form and precision-machined bore for true fit, timing chain sprockets offer reliability and dependability for engine rebuilds and typical replacement jobs
  • Recommended that the chain tensioner(s), sprocket(s), and guide(s) also be replaced when the chain is replaced, as these components play a vital role in system stability and accurate timing
  • Refer to our online catalog for detailed application-specific information

Specifications:

Adjustable:
No
Chain Row Quantity:
1
Color:
Gold
Inside Diameter:
1.25" in.
Keyway Notch:
Yes
Material:
Metal
Mount Hole Diameter:
1.25" in.
Mount Hole Quantity:
1
Outside Diameter:
2.81" in.
Thickness:
0.52" in.
Thrust Bearing Included:
N/A
Tooth Quantity:
18
Tooth Width:
0.41" in.
Universal Or Specific Fit:
Specific
General Motors #:
3896959
NAPA Timing Products #:
S391
Country of Origin:
US

Cloyes S391 Engine Timing Crankshaft Sprocket compatibility with your 1977 Buick Skylark...

Last Updated: 05/31/2024

Years Vehicle Per Vehicle Fit NotesFitment Notes

1979

 

1978

 

1977

 

1979

 

1978

 

1977

 
Buick Skylark

5.0L V8 Gas OHV
1
 
with 18 Teeth on Crankshaft
 

Buick Skylark



5.0L V8 Gas OHV with 18 Teeth on Crankshaft

1 Per Vehicle

1977

 

1977

 
Buick Skylark

5.7L V8 Gas OHV
1
 
with 18 Teeth on Crankshaft
8th VIN Digit: L
 

Buick Skylark



5.7L V8 Gas OHV with 18 Teeth on Crankshaft
8th VIN Digit: L

1 Per Vehicle

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