Flywheel - Steel - 184 Tooth - 40 lb - Big Block Ford - Internal Balance - SFI 1.1 Certified

Hays 12-240, Flywheel, Steel, 184-Tooth, 40 lb, Internal Balance, Ford Big Block, Each

PART# 12-240

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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 flywheel fits the big block internal balanced 352, 390, 427, 428, 429, 460 CID Ford for 1965 through 1972. This is a 184 tooth flywheel that weighs 40 lbs. Requires an 11 in Borg-Beck Long or Mark XII clutches. This flywheel is thicker than stock and may require a bellhousing spacing or a Lakewood bellhousing to eliminate interference. Flywheel bolts included. Other applications available.


  • Fits BB Ford With Internal Balance
  • 184 Tooth Flywheel
  • Weighs 40 Lbs
  • Requires 11 In Bbl Or Mark Xii Clutches
  • Thicker Than Stock


# of Teeth184
ApplicationBig Block Ford
Engine BalanceInternal
Product TypeFlywheels
WarrantyLimited 90 Day Warranty
Part Number12-240

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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.