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Hays billet steel flywheel for Detroit (externally) balanced 400 Chevy engine with large bellhousing.
Part Number: YM39
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Hays billet steel flywheel for Detroit (externally) balanced 400 Chevy engine with large bellhousing.
This aftermarket 30-lb. billet-steel flywheel is stronger and safer at a higher rpm than stock. It is SFI-approved for racing use. Hardware not included. For use on V8 engines with a 2-piece rear main seal.
Externally balanced168-tooth flywheel fits 1970-1978 400c.i.d. engines only with 10-1/2" or 11" Borg and Beck diaphragm-style pressure plates, or 11" long-style pressure plates. Fits 168-tooth bellhousings.

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