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Hays

Hays 13-131 Billet Steel SFI Certified Flywheel

Part # 13-131 Be the first to write a review

Compatible with 1968-1985 Oldsmobile 307-455, Internal Balance, 32 LB, 166-tooth

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Hays 13-131 Billet Steel SFI Certified Flywheel

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Upgrade your stock flywheel to a Hays SFI-approved billet steel or aluminum flywheel. Each flywheel is precision machined and engineered to handle extreme duty applications along with being designed to take the punishment of today's high horsepower street, off-road, and race engines.

Features:

  • SFI-approved â€" legal for use in racing classes that require SFI certification
  • Choose precision CNC-machined 1045 billet steel for maximum strength and durability or 6061-T6 billet aluminum construction for weight reduction and excellent heat dissipation
  • Aluminum flywheels feature forged heat treated steel ring gears and replaceable 1045 steel friction surface attached with high-grade fasteners
  • CAD designed to provide optimum performance and reliability
  • Available in Internal, External, or Zero (Neutral) balanced versions
  • Applications offered for a wide variety of engines
ApplicationOldsmobile
Brand Hays
Emission Code5
MaterialSteel
Product TypeFlywheels
WarrantyLimited 90 Day Warranty
UPC090127744918
Manufacturer Part Number13-131
Part Number13-131
5

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.
Will not fit pre-1968 engines as crankshaft have a slightly different bolt pattern.
Limited 90 Day Warranty: See Details
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    *Free Shipping & Handling only offered to the contiguous US on orders over $149, excludes clearance parts and oversized packages.

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