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Hays 10-235 Externally Balanced Flywheel, 168 Tooth, BBC 454

Hays 10-235 Externally Balanced Flywheel, 168 Tooth, BBC 454

SKU: 10-235
Regular price $433.95 USD
Regular price Sale price $433.95 USD
Sale Sold out

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

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

# 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
View full details

Policies and FAQs

Return Policy

We accept returns on products within 30 days of delivery. Return shipping is the responsibility of the buyer unless we, the seller, are at fault.

Fault reasons include but are not limited to:
  • Buyer was shipped the wrong product
  • Buyer was shipped a damaged product
  • The product page had incorrect fitment and the part does not fit the Buyer's vehicle
 
The Buyer will not be refunded outbound shipping unless the Seller (Modern Day Muffler & Brake) is at fault.
 
In cases where the Buyer purchases and ships the return please note that if the Shipper (ex. USPS, FedEx, UPS, etc.) loses the return we will not be able to offer a refund as the Buyer must contact the Shipper and make a claim.
 
All products must be returned in original condition, meaning that the product must not be damaged, installed, or missing pieces/parts. If the product is not in original condition a deduction will be issued of up to 50% of the purchase price of the product.
 
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When we, the seller, are at fault, please Contact Us for a return label, products returned with a shipping label not provided by the seller will not be refunded to the buyer. Please also note that our return labels are issued with the dimensions and weight of the original shipment, if the product is being returned in any box/package besides the original please Contact Us with the dimensions and weight.

Returns must be sent to this address:
Modern Day Muffler & Brake
774 Broad Street
Wadsworth, OH 44281
 
Products returned directly to a manufacturer or the incorrect address may be issued a deduction or denied a refund entirely.
 
If a product was delivered outside the 30 day return window or is no longer in original condition please contact us as we may be able to issue a refund in store credit and/or with a deduction. If this is the case please Contact Us as these situations are handled on a case by case basis.
 
If there are any questions, concerns, or doubts about return eligibility please Contact Us and we would be more than happy to assist you.

This page and policy were last updated: July 14th 2023

FAQs

This is the line that runs from the front of the vehicle to the rear. On most vehicles it connects to a junction then you will have rear axle lines. On a few cars the intermediate lines will connect to the rear wheels. It is recommended to change the axle lines if you are replacing the intermediate lines.

Our kits include all of the solid metal lines for that section of the vehicle.

We are happy to help! Please help us to help you by going to our return form and filling out the form as best as you can in order to request a return.

  • Modern Day stands by our parts and is happy to accept returns within 30 days of purchase. Parts must be in new condition.
  • If a part arrives damaged, or is defective, Please report it to us immediately. So we can handle it for your promptly.

Yes but you will need to order in advance. All of our items are not stocked at our location. So please place your order online and we will notify you when it is ready for pick up.

Unfortunately we cannot offer single lines outside of kits

Yes, all are covered by the manufacturer's standard warranty. Most warranties cover the cost of parts. Any installation or other fees are non-refundable.

Online we accept PayPal and all major Credit Cards. If your are picking an item up we gladly accept cash.

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Orders typically Arrive within 3 to 10 days depending if it is a stocked item or something we have manufactured at time of sale.

Yes please send us a message through our custom orders page.

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The left and right sides on a vehicle are determined as though you were sitting in the driver's seat. The left is the driver's side, and the right is the passenger's side.

Check it again tomorrow. It takes up to 1 day for the carrier to give status and a delivery date. UPS and FedEx provide delivery dates, USPS usually does not but they take no longer than 5 business days.

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Warranty Information

Customer service is our top priority and because we value your time and energy we ask you to visit our Contact Us page and reach out so that we may assist you in finding the correct warranty for your product. Please include your name, the name on the order, the order number, and the SKU of the product to ensure the quickest and most accurate response to your inquiry.

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