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Hays Billet Steel SFI Certified Flywheel - Big Block Ford

1969-1978 Big Block Ford 429-460, 184-Tooth, 40 lb, Internal Balance

PART# 12-240

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$389.66   Holleydays Price
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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
Emission Code5
Engine BalanceInternal
Product TypeFlywheels
WarrantyLimited 90 Day Warranty
Part Number12-240



This part is legal for sale or use on Emissions Controlled Vehicles, Uncontrolled (Non-Emissions Controlled) Vehicles, and Racing Use Only Vehicles because it does not affect vehicle emissions and is not covered by emissions regulations.

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Warranty Information

Limited 90 Day Warranty: See Details
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