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Description
Hays Billet Steel SFI Certified Flywheel - Small Block Chevrolet - 10-132Overview: 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 external balance 400 CID Chevy, 1970 to 1978 models. 168 tooth flywheel is drilled for 10. 5 in Borg Beck diaphragm, and 11 in Borg Beck, diaphragm and long style clutches. This flywheel weighs 30 lbs. Features: S.
Overview:
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 external balance 400 CID Chevy, 1970 to 1978 models. 168 tooth flywheel is drilled for 10.5 in Borg-Beck diaphragm, and 11 in Borg-Beck, diaphragm and long style clutches. This flywheel weighs 30 lbs.
Features:
- S.F.I. 1.1 Certified
- Fits External Balance 400 Chevy 1970-1978 models
- 168 Tooth Flywheel
- Drilled 10.5 In And 11 In Clutches
- Weighs 30 Lbs
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1970 - 1976 | Chevrolet | El Camino | Base | 400/6.6L V8 |
| 1974 - 1976 | Chevrolet | Malibu | Classic | 400/6.6L V8 |
| 1974 - 1976 | Chevrolet | Malibu | Base | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K10 | Custom Deluxe | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | Malibu | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K10 | Cheyenne | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | Greenbrier | 400/6.6L V8 |
| 1970 - 1975 | Chevrolet | Bel Air | Base | 400/6.6L V8 |
| 1970 - 1974 | Chevrolet | Monte Carlo | Base | 400/6.6L V8 |
| 1970 - 1972 | Chevrolet | Caprice | Base | 400/6.6L V8 |
| 1970 - 1976 | Chevrolet | Impala | Base | 400/6.6L V8 |
| 1970 - 1972 | Chevrolet | Kingswood | Estate | 400/6.6L V8 |
| 1974 - 1975 | Chevrolet | Laguna | Base | 400/6.6L V8 |
| 1973 - 1976 | Chevrolet | Caprice | Classic | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | Impala | Sport | 400/6.6L V8 |
| 1970 - 1976 | Chevrolet | El Camino | SS | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C20 | Silverado | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C30 | Silverado | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K10 | Silverado | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K20 | Silverado | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | Base | 400/6.6L V8 |
| 1970 - 1974 | Chevrolet | El Camino | Custom | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | SS | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | Concours | 400/6.6L V8 |
| 1973 - 1974 | Chevrolet | Caprice | Estate | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | Nomad | 400/6.6L V8 |
| 1970 - 1971 | Chevrolet | Chevelle | Concours Estate | 400/6.6L V8 |
| 1974 | Chevrolet | Malibu | Estate | 400/6.6L V8 |
| 1970 - 1972 | Chevrolet | Biscayne | Base | 400/6.6L V8 |
| 1970 - 1972 | Chevrolet | Brookwood | Base | 400/6.6L V8 |
| 1974 - 1976 | Chevrolet | Monte Carlo | Landau | 400/6.6L V8 |
| 1970 - 1972 | Chevrolet | Townsman | Base | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C30 | Cheyenne | 400/6.6L V8 |
| 1970 - 1972 | Chevrolet | Kingswood | Base | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C20 | Custom Deluxe | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C20 | Scottsdale | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C10 | Silverado | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C10 | Scottsdale | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C20 | Cheyenne | 400/6.6L V8 |
| 1977 - 1978 | Chevrolet | K30 | Custom Deluxe | 400/6.6L V8 |
| 1977 - 1978 | Chevrolet | K30 | Scottsdale | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | Laguna | S3 | 400/6.6L V8 |
| 1976 | Chevrolet | Malibu | Landau | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | Monte Carlo | S | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | Caprice | Classic Sport | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K20 | Cheyenne | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K10 | Scottsdale | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C30 | Scottsdale | 400/6.6L V8 |
| 1976 | Chevrolet | Caprice | Classic Estate | 400/6.6L V8 |
| 1977 - 1978 | Chevrolet | K30 | Cheyenne | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | Malibu | Classic Estate | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | El Camino | Classic | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C30 | Custom Deluxe | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K20 | Custom Deluxe | 400/6.6L V8 |
| 1975 - 1978 | Chevrolet | K20 | Scottsdale | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C10 | Cheyenne | 400/6.6L V8 |
| 1976 - 1978 | Chevrolet | C10 | Custom Deluxe | 400/6.6L V8 |
| 1977 - 1978 | Chevrolet | K30 | Silverado | 400/6.6L V8 |
| 1976 | Chevrolet | Impala | S | 400/6.6L V8 |
| 1975 - 1976 | Chevrolet | Impala | Custom | 400/6.6L V8 |
| 1976 | Chevrolet | Malibu | Classic Landau | 400/6.6L V8 |
| 1976 | Chevrolet | Impala | Custom Landau | 400/6.6L V8 |
| 1976 | Chevrolet | Caprice | Classic Landau | 400/6.6L V8 |
| 1975 | Chevrolet | Caprice | Estate Wagon | 400/6.6L V8 |
Specs:
| # of Teeth | 168 |
|---|---|
| Application | Chevrolet |
| Brand | Hays |
| Emission Code | 5 |
| Engine | Small Block Chevy |
| Engine Balance | External |
| Material | Steel |
| Product Type | Flywheels |
| SFI Approved | Yes |
| SFI Certification | 1.1 |
| Warranty | Limited 90 Day Warranty |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.8 ★★★★★
Based on 11 reviews
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Product Reviews
★★★★★ 5
Excellent Ergonomic Chair
Color: Black, Size: Pack of 1
I am incredibly impressed with this chair. The setup was a breeze and took me less than 20 minutes from start to finish. It is exceptionally comfortable, offering fantastic ergonomic support that keeps my back pain-free during long hours of sitting. The materials feel premium and highly durable. Plus, the included 5-year warranty is incredibly helpful and provides great peace of mind. I highly recommend it to anyone looking for a reliable workspace upgrade!
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Reviewed in the United States on May 25, 2026
★★★★★ 5
Comfortable, Sturdy, and Great for Long Hours
Color: Black, Size: Pack of 1
I am very happy with this office chair. It was easy to assemble, feels sturdy, and is very comfortable to sit in for long periods of time. The ergonomic design provides good back support, and the adjustable features make it easy to find the perfect position. The mesh back keeps me cool throughout the day, and the chair rolls smoothly. Overall, it offers great quality for the price and has made working at my desk much more comfortable. I would definitely recommend it to anyone looking for a reliable office chair. ⭐⭐⭐⭐⭐
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 30, 2026
★★★★★ 5
Great Chair! Worth the Price!
Color: Sky Blue, Size: Pack of 1
LOVE my new desk chair! I got the Sky Blue which is a really pretty blue in person. I work from home in tech, and had been getting constant headaches no matter what position I was in. I finally decided to invest in a better desk chair, and I'm SO glad I did! It's much more supportive and comfortable. I really like that I can flip the arms up or down, and the height is easy to adjust. Also, because I can flip the arms up, I can keep the chair out of the way when I'm not working by putting it right up against the desk. Very much worth the price! Assembly was simply and quick. Not even 30 minutes. Also, when I had a question about the chair, their support team was quick to respond and very helpful. Highly recommend!
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Reviewed in the United States on June 2, 2026
★★★★★ 5
Great quality chair, regardless of price.
Color: Black+white, Size: Pack of 1, Color: Black+white, Size: Pack of 1
Great quality chair, regardless of the price, period. So well packaged that it took almost as long to unwrap as assemble. Assembly was easy (loved the Allen wrench with sturdy handle). I am 6'2" and the fit and height adjustments work well for my height. Comfort is personal, so I like the semi-firmness of the seat. While the chair is constructed of heavy gauge plastic the base is solid metal with enamel finish: I love the look. The arm rests line up perfectly to my computer keyboard. I expect many, many years of service.
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Reviewed in the United States on May 17, 2026
★★★★★ 5
Great Value for a Comfortable Home Office Chair
Color: Black, Size: Pack of 1, Color: Black, Size: Pack of 1
I’ve been using this chair for a couple of days now, and honestly, it’s been a solid upgrade from my old one. I work from home most days, so comfort matters a lot—and this chair delivers better than I expected for the price.
The first thing I noticed was the lumbar support. It’s actually adjustable and makes a noticeable difference, especially if you tend to sit for long stretches. My lower back used to get sore after a few hours, but that hasn’t really been an issue since switching to this chair. The mesh back is also a nice touch—it keeps things breathable, which I didn’t think I’d care about until I had it.
Assembly was pretty straightforward. Took me maybe 20–25 minutes without any frustration. Everything lined up well, and the instructions were clear enough.
In terms of comfort, the seat is firm but not hard. It doesn’t feel like one of those super plush chairs, but I actually prefer that because it feels more supportive over time. The reclining feature is smooth, and I like that you can lean back a bit when you need a break.
Overall, I’d say this is a great value for a home office setup. If you want something ergonomic and comfortable without spending a fortune, this chair is definitely worth considering.
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Reviewed in the United States on April 30, 2026