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Part Number: 8580N



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1987-and-later small-block flexplate for use on engines with one-piece rear main seal.







Flexplate has a 3.00" crank flange bolt pattern and 168 starter ring gear teeth. It is drilled for 11.50" converter bolt pattern. Measures 14" in diameter. New GM.

NOTE: Torque converters for TH-350 and TH-400 transmissions are produced with both 10.75" and 11.50" bolt patterns. To identify the correct bolt pattern, measure from the converter center to an attaching bolt hole and then multiply by 2.
MSRP $278.99
YEARONE Price: $255.23
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WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov

WARNING: This product can expose you to chemicals including but not limited to lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride and/or 4, 4'-methylenebis (2-chloroaniline) which are known to the state of California to cause cancer or birth defects or other reproductive harm. For more information, visit www.P65Warnings.ca.gov.


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