10-133
1986-1992 305-350 Small Block Chevy, 29 LB, Zero Balance, 153-tooth
OVERVIEW
Upgrade your stock flywheel to a Hays SFI-approved billet steel 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 – 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
About Hays

Looking for clutches, flywheels, flexplates, or torque converters? Shop the selection at Holley.com to find what you need.
SPECS
| # of Teeth | 153 |
|---|---|
| Application | Chevrolet |
| Brand | Hays |
| Center Bore (Register Diameter) | 2.060" |
| Clearance Category | Transmission and Drivetrain |
| Discount Percentage | Over 75% |
| Emission Code | 5 |
| Engine | Chevrolet Small Block Gen I |
| Engine Balance | Neutral |
| Material | Steel |
| Product Type | Flywheels |
| Sale Category | Transmission and Drivetrain |
| SFI Approved | Yes |
| SFI Certification | 1.1 |
| Warranty | Limited 90 Day Warranty |
| UPC | 090127744741 |
| Part Number | 10-133 |
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$19.99 CAD | $24.99 CAD
Product title
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$19.99 CAD | $24.99 CAD
Product title
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$19.99 CAD | $24.99 CAD
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