Engine Kits

Hays 20-132 Aluminum Flywheel, Chevy 1970-78 400
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Hays 20-132 Aluminum Flywheel, Chevy 1970-78 400



Part #: 20-132
List Price: $919.90
Our Price: $459.95
You Save: $459.95



Hays 20-132 Billet Aluminum Flywheel, Chevy 1970-78 400 with large bell housing. Fits 10.5" Borg & Beck or Diaphragm Clutches also drilled for 11" Borg & Beck or Diaphragm clutches,  Long 11", Ring Gear Teeth: 168, Weight: 15.

  • Hays aluminum flywheels are manufactured from certified billet material that will not break up under the stress of high RPM and severe punishment of racing. Features replaceable steel surface insert.
  • Precision balanced to either neutral (internal) or Detroit (external) specifications
  • Meets SFI specification 1.1 for racing
Hays 20-132 Billet Aluminum Flywheel, the favorite choice of many road racers, are also popular with the serious drag racer running a light car and large cubic inch motor. Machined from 7075 T-6 forged billet aluminum, this high strength alloy surpasses all material specs as to strength and centrifugal distortion.

All Hays Aluminum Flywheels feature a replaceable steel or bronze heat shield friction surface and are drilled to accept either the Borg & Beck or Long-Style clutch pattern. The ring gear is securely mounted with welded tabs that are riveted to the flywheel to prevent spinning.

Hays 20-132 Billet Aluminum Flywheel are certified under S.F.I. spec 1.1. Part No 20-132 is a "Detroit Balance" flywheel, externally balanced to stock (counter weighted) specs. Application: Chevy 1970-78 400 with large bell housing. Pressure Plate Pattern: Borg & Beck/Diaphragm 10.5" & Borg & Beck/Diaphragm/Long 11", Ring Gear Teeth: 168, Weight: 15.

Model Number: 20-132

Replaces RAM Automotive part Number 2523