Flywheel - Steel - 168 Tooth - 30 lbs - External Balance

Chevy 4.3 / 5.0 / 5.7 L - External Balance - SFI 1.1 Certified -Billet Steel

PART# 10-630

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Hays Steel Flywheels are manufactured from certified billet material that will not break up under the stress of high RPM and severe punishment of racing. All Hays flywheels are certified S.F.I. spec 1.1. This 168 tooth flywheel fits the external balance 4.3/5.0/5.7 liter Chevy, 1986 to 1993 models with a one piece real main seal. The flywheel is drilled for 10.5 in Borg-Beck diaphragm, 11 in Borg-Beck diaphragm, long style and Mark XII clutches. It's weighs 30 lbs. Flywheel bolts included. Other applications available.


  • S.F.I. 1.1 Certified
  • Fits External Balance 4.3/5.0/5.7L Chevy
  • 168 Tooth Flywheel
  • Drilled 10.5 In And 11 In Clutches
  • Weighs 30 Lbs


# of Teeth168
Engine BalanceExternal
Product TypeFlywheels
WarrantyLimited 90 Day Warranty
Part Number10-630

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Warranty Information

Limited 90 Day Warranty: See Details

    *Free Shipping & Handling only offered to the contiguous US on orders over $100.

    Some parts are not legal for use in California or other states with similar regulations.