Availability
Hays Billet Steel Flywheels
31 Customer Reviews
Features include:
* SFI-approved--legal for use in racing classes that require SFI certification
* CNC-machined from certified billet steel for maximum strength and du
Features include:
* SFI-approved--legal for use in racing classes that require SFI certification
* CNC-machined from certified billet steel for maximum strength and durability
* CAD-designed for optimum performance and reliability
* Offered in internal, external, or neutral (zero) balanced versions
* Available for a wide variety of engines
Note: When choosing a flywheel, remember that a heavier flywheel stores more energy. A heavy car requires more power (or inertia) to launch without bogging the engine and needs a heavier flywheel. Lighter flywheels create less inertia at launch, but will accelerate faster through the gears.
Showing In Stock Items. Show All 9 Items.
Flywheel, Steel, 168-Tooth, 30 lb., External Balance, Chevy, 4.3, 5.0, 5.7L, Each
Part Number: HAY-10-630
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Flywheel, Steel, 168-Tooth, 30 lb., Internal Engine Balance, Chevy, Big, Small Block, Each
Part Number: HAY-10-130
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Flywheel, Steel, 168-Tooth, 40 lb., Internal Engine Balance, Chevy, Big, Small Block, Each
Part Number: HAY-10-140
Estimated Ship Date: Tomorrow
Estimated Ship Date: Tomorrow
Flywheel, Steel, 153-Tooth, 30 lb., Internal Balance, Chevy, Big, Small Block, Each
Part Number: HAY-10-330
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Need It Sooner? We recommend these similar substitute parts:
Flywheel, Steel, 168-Tooth, 40 lb., External Engine Balance, Chevy, Big Block, 454, Each
Part Number: HAY-10-245
Not Yet Reviewed
Estimated Ship Date: Apr 20, 2026 if ordered today
Estimated Ship Date: Apr 20, 2026 if ordered today
Flywheel, Steel, 153-Tooth, 30 lb., External Engine Balance, Chevy, 4.3, 5.0, 5.7L, Each
Part Number: HAY-10-530
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Flywheel, Steel, 168-Tooth, 30 lb., Detroit [External] Balance, Chevy, Small Block, 400, Each
Part Number: HAY-10-132
Not Yet Reviewed
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
Flywheel, Steel, 168-Tooth, 30 lb., External Engine Balance, Chevy, Big Block, 454, Each
Part Number: HAY-10-235
Estimated Ship Date: Apr 17, 2026 if ordered today
Estimated Ship Date: Apr 17, 2026 if ordered today
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