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For Your Every Summer RSVP, with Code: SUMMER15
Description
Hays 10-235 Externally Balanced Flywheel, 168 Tooth, BBC 454Overview: 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. The 30 pound flywheel fits the 454 Chevy with 2 piece rear main seal and has 168 tooth ring gear. The flywheel is drilled for 10. 5 in Borg & Beck or diaphragm and 11 in Borg & Beck, diaphragm or long style pressure plates. S. F. I. 1. 1 certified. External engine balance. Other weights and
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. The 30 pound flywheel fits the 454 Chevy with 2 piece rear main seal and has 168 tooth ring gear. The flywheel is drilled for 10.5 in Borg & Beck or diaphragm and 11 in Borg & Beck, diaphragm or long style pressure plates. S.F.I. 1.1 certified. External engine balance. Other weights and applications available.
Features:
- Billet Steel
- S.F.I. 1.1 Certified
- 10.5 In Borg And Beck Or Diaphragm
- 11 In Borg And Beck Diaphragm Or Long Style
- Weight 31 Pounds
Application:
| Year | Make | Model | Submodel | Engine Size |
|---|---|---|---|---|
| 1973 - 1975 | Chevrolet | Monte Carlo | S | 454/7.4L V8 |
| 1974 | Chevrolet | Laguna | Type S-3 | 454/7.4L V8 |
| 1970 - 1974 | Chevrolet | Monte Carlo | Base | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | SS | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | Greenbrier | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | Malibu | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | Malibu | Base | 454/7.4L V8 |
| 1974 - 1975 | Chevrolet | Malibu | Classic | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | Concours | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | Base | 454/7.4L V8 |
| 1973 - 1975 | Chevrolet | Laguna | Base | 454/7.4L V8 |
| 1970 - 1976 | Chevrolet | Impala | Base | 454/7.4L V8 |
| 1973 | Chevrolet | Chevelle | Deluxe | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Caprice | Base | 454/7.4L V8 |
| 1970 - 1975 | Chevrolet | Bel Air | Base | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Kingswood | Base | 454/7.4L V8 |
| 1970 - 1975 | Chevrolet | El Camino | Base | 454/7.4L V8 |
| 1970 - 1974 | Chevrolet | El Camino | Custom | 454/7.4L V8 |
| 1970 - 1974 | Chevrolet | El Camino | SS | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | Concours Estate | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | Malibu | Estate | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Townsman | Base | 454/7.4L V8 |
| 1970 - 1974 | Chevrolet | Corvette | Base | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | K20 Pickup | Base | 454/7.4L V8 |
| 1973 - 1976 | Chevrolet | Caprice | Classic | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | Caprice | Estate | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | Monte Carlo | Landau | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | C30 Pickup | Base | 454/7.4L V8 |
| 1971 - 1972 | Chevrolet | Biscayne | Base | 454/7.4L V8 |
| 1973 | Chevrolet | Laguna | Estate | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Chevelle | Nomad | 454/7.4L V8 |
| 1970 - 1972 | Chevrolet | Kingswood | Estate | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | C20 Pickup | Base | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | C10 Pickup | Base | 454/7.4L V8 |
| 1974 | Chevrolet | K10 Pickup | Base | 454/7.4L V8 |
| 1973 - 1974 | Chevrolet | K30 Pickup | Base | 454/7.4L V8 |
| 1975 - 1981 | Chevrolet | C30 | Cheyenne | 454/7.4L V8 |
| 1989 - 1990 | Chevrolet | R3500 | Silverado | 454/7.4L V8 |
| 1988 | Chevrolet | V30 | Cheyenne | 454/7.4L V8 |
| 1977 - 1986 | Chevrolet | K30 | Silverado | 454/7.4L V8 |
| 1975 - 1980 | Chevrolet | C20 | Custom Deluxe | 454/7.4L V8 |
| 1975 - 1981 | Chevrolet | C20 | Cheyenne | 454/7.4L V8 |
| 1975 - 1986 | Chevrolet | C20 | Scottsdale | 454/7.4L V8 |
| 1975 - 1986 | Chevrolet | C20 | Silverado | 454/7.4L V8 |
| 1988 - 1990 | Chevrolet | K3500 | Cheyenne | 454/7.4L V8 |
| 1977 - 1986 | Chevrolet | K30 | Scottsdale | 454/7.4L V8 |
| 1981 - 1986 | Chevrolet | C20 | Custom | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | R20 | Silverado | 454/7.4L V8 |
| 1988 | Chevrolet | R30 | Cheyenne | 454/7.4L V8 |
| 1989 | Chevrolet | R2500 | Scottsdale | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | R30 | Silverado | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | R30 | Scottsdale | 454/7.4L V8 |
| 1989 - 1990 | Chevrolet | R3500 | Scottsdale | 454/7.4L V8 |
| 1989 - 1990 | Chevrolet | R3500 | Cheyenne | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | R30 | Custom Deluxe | 454/7.4L V8 |
| 1976 | Chevrolet | Impala | S | 454/7.4L V8 |
| 1975 - 1986 | Chevrolet | C30 | Scottsdale | 454/7.4L V8 |
| 1976 | Chevrolet | Caprice | Classic Landau | 454/7.4L V8 |
| 1975 - 1976 | Chevrolet | Impala | Sport | 454/7.4L V8 |
| 1975 - 1980 | Chevrolet | C30 | Custom Deluxe | 454/7.4L V8 |
| 1981 | Chevrolet | C30 | Deluxe | 454/7.4L V8 |
| 1981 - 1986 | Chevrolet | C30 | Custom | 454/7.4L V8 |
| 1975 - 1980 | Chevrolet | C10 | Cheyenne | 454/7.4L V8 |
| 1975 - 1980 | Chevrolet | C10 | Silverado | 454/7.4L V8 |
| 1975 - 1980 | Chevrolet | C10 | Scottsdale | 454/7.4L V8 |
| 1975 - 1980 | Chevrolet | C10 | Custom Deluxe | 454/7.4L V8 |
| 1975 - 1986 | Chevrolet | C30 | Silverado | 454/7.4L V8 |
| 1988 - 1990 | Chevrolet | C3500 | Cheyenne | 454/7.4L V8 |
| 1976 - 1980 | Chevrolet | K10 | Cheyenne | 454/7.4L V8 |
| 1976 - 1978 | Chevrolet | K20 | Custom Deluxe | 454/7.4L V8 |
| 1976 - 1978 | Chevrolet | K20 | Scottsdale | 454/7.4L V8 |
| 1988 - 1990 | Chevrolet | C3500 | Scottsdale | 454/7.4L V8 |
| 1988 - 1990 | Chevrolet | C3500 | Silverado | 454/7.4L V8 |
| 1981 - 1986 | Chevrolet | K30 | Custom | 454/7.4L V8 |
| 1976 - 1978 | Chevrolet | K20 | Silverado | 454/7.4L V8 |
| 1977 - 1981 | Chevrolet | K30 | Cheyenne | 454/7.4L V8 |
| 1981 | Chevrolet | C20 | Deluxe | 454/7.4L V8 |
| 1977 - 1980 | Chevrolet | K30 | Custom Deluxe | 454/7.4L V8 |
| 1975 | Chevrolet | Caprice | Estate Wagon | 454/7.4L V8 |
| 1976 | Chevrolet | Caprice | Classic Estate | 454/7.4L V8 |
| 1976 - 1980 | Chevrolet | K10 | Custom Deluxe | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | V30 | Silverado | 454/7.4L V8 |
| 1989 - 1990 | Chevrolet | V3500 | Scottsdale | 454/7.4L V8 |
| 1989 - 1990 | Chevrolet | V3500 | Silverado | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | V30 | Scottsdale | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | R20 | Custom Deluxe | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | V30 | Custom Deluxe | 454/7.4L V8 |
| 1981 | Chevrolet | K30 | Deluxe | 454/7.4L V8 |
| 1989 - 1990 | Chevrolet | V3500 | Cheyenne | 454/7.4L V8 |
| 1975 - 1976 | Chevrolet | Caprice | Classic Sport | 454/7.4L V8 |
| 1988 - 1990 | Chevrolet | K3500 | Scottsdale | 454/7.4L V8 |
| 1988 - 1990 | Chevrolet | K3500 | Silverado | 454/7.4L V8 |
| 1987 - 1988 | Chevrolet | R20 | Scottsdale | 454/7.4L V8 |
| 1989 | Chevrolet | R2500 | Cheyenne | 454/7.4L V8 |
| 1975 - 1976 | Chevrolet | Impala | Custom | 454/7.4L V8 |
| 1990 | Chevrolet | C1500 | WT | 454/7.4L V8 |
| 1990 | Chevrolet | C1500 | Scottsdale | 454/7.4L V8 |
| 1976 - 1980 | Chevrolet | K10 | Scottsdale | 454/7.4L V8 |
| 1976 - 1978 | Chevrolet | K20 | Cheyenne | 454/7.4L V8 |
| 1978 - 1980 | Chevrolet | C10 | Big Ten | 454/7.4L V8 |
| 1990 | Chevrolet | C1500 | 454 SS | 454/7.4L V8 |
| 1990 | Chevrolet | C1500 | Cheyenne | 454/7.4L V8 |
| 1976 - 1980 | Chevrolet | K10 | Silverado | 454/7.4L V8 |
| 1989 | Chevrolet | R2500 | Silverado | 454/7.4L V8 |
| 1988 | Chevrolet | R20 | Cheyenne | 454/7.4L V8 |
| 1976 | Chevrolet | Impala | Custom Landau | 454/7.4L V8 |
| 1990 | Chevrolet | C1500 | Silverado | 454/7.4L V8 |
| 1975 | Chevrolet | Laguna | S3 | 454/7.4L V8 |
Specs:
| # of Teeth | 168 |
|---|---|
| Application | Chevrolet |
| Brand | Hays |
| Emission Code | 5 |
| Engine | Big 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
4.1 ★★★★★
Based on 12 reviews
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Product Reviews
★★★★★ 5
Would recommend
Size: 10 sqft
I used this sound deadening material in my car during an audio and interior upgrade, and the difference was noticeable immediately. Road noise, vibrations, and rattling were reduced a lot, especially on the doors and floor panels. The car feels much quieter and more solid while driving now.
The material was easy to cut and apply, and the adhesive stuck very well without peeling up. It has a quality feel to it and conforms nicely around curves and tight areas. I also noticed my speakers sound cleaner and have better bass response after installing it.
For the price, this sound deadening material is a great value and definitely worth it if you want a quieter ride and better overall sound quality in your vehicle.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026
★★★★★ 5
Worth it!
Size: 50 sqft
I was worried it wouldn't work as well since it's 50 mil and I thought I got the wrong thing. Nope! Works great. Did all four doors on my 93 civic and I have enough for the floor I think. Solid price. Noise reduced by about 5 decibels hive difference. Very sticky and easy to apply I'm so happy I was able to cover most all of my car. If I need more, definitely buying this since I got so much extra and I thought I would.
PS: that five decibel thing is only with the four doors. My firewall is next and then my floor, but it's such a huge difference
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 2, 2026
★★★★★ 5
Quiet your vehicle noises
Size: 50 sqft
Put this in our high roof van and couldn’t believe how much quieter it was at once. Really cut down on the vibration noise Nice and easy to install just peel n stick. Was also easy to cut with scissors for smaller areas. Seemed to be really nice quality. Didn’t notice any odor.
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Reviewed in the United States on June 9, 2026
★★★★★ 5
Sound deadening the Hot Rod
Size: 20 sqft, Size: 20 sqft
Works well, good value for the money.
It’s very sticky and conforms to what you are applying it to. One 20 sq ft box did approximately the passenger side
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 3, 2026
★★★★★ 5
Good stuff
Size: 50 sqft, Size: 50 sqft
Good stuff. I did a lot of work on my 91 Toyota Land Cruiser 3FE. I did the inside and outside doors, as well as the under-hood area, with some extra work. I like this stuff. It sticks down good but you have to clean your surface so there's a good grip. I think these are going to do well for noise cancellation. The deadening material does well with absorbing vibrations too. But the install roller tools it will come in handy. Trust me trying to do it by hand is not worth it.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on June 6, 2026