Sale

Drivetrain Clutches and Components

Hays

Clutch Flywheel Chevrolet Big Block 454 With 2-PIECE Rear Main Seal 168-Tooth 30LB External Balance Hays

$661.95 $587.95 Save $74.00

SKU: H00D 10-235

In Stock
In Stock
Ships by Aug 5
Free Shipping over $100
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Description

Part #: 10-235

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 inch Borg & Beck or diaphragm and 11 inch Borg & Beck, diaphragm or long style pressure plates. S.F.I.1.1 certified. External engine balance.Other weights and applications available.Features and Benefits:Billet SteelS.F.I. 1.1 Certified10.5 inch Borg And Beck Or Diaphragm11 inch Borg And Beck Diaphragm Or Long StyleWeight 31 PoundsDetails:Application: ChevroletEmission Code: 5Engine: GM Big BlockEngine Balance: ExternalMaterial: SteelNumber of Teeth: 168SFI Approved: YesSFI Certification: 1.1Warranty: Manufacturer's Limited 90 Day WarrantyApplication Summary:434 1970-1972 Chevrolet Biscayne Base1970-1972 Chevrolet Brookwood Base1973-1974 Chevrolet C10 Pickup Base1973-1974 Chevrolet C20 Pickup Base1973-1974 Chevrolet C30 Pickup Base1973-1974 Chevrolet G10 Van Base1973-1974 Chevrolet G30 Van Base1973-1974 Chevrolet K10 Pickup Base1973-1974 Chevrolet K20 Pickup Base1973-1974 Chevrolet K30 Pickup Base1970-1972 Chevrolet Kingswood Base Estate1970-1973 Chevrolet P20 Van Base1970-1974 Chevrolet P30 Van Base1970-1972 Chevrolet Townsman Base1970 Chevrolet Estate Base1971-1973 Chevrolet Chevelle SS Deluxe1973-1974 Chevrolet G20 Van Base Sportvan1973 Chevrolet P10 Van Base1970-1975 Chevrolet Bel Air Base1973-1974 Chevrolet Blazer Base1976-1978 Chevrolet K5 Blazer Cheyenne Base Custom Deluxe Silverado1975-1980 Chevrolet C10 Scottsdale Cheyenne Silverado Custom Deluxe Big Ten1973-1980 Chevrolet C10 Suburban Base Custom Deluxe Scottsdale Silverado1990 Chevrolet C1500 WT Silverado 454 SS Scottsdale Cheyenne1975-1986 Chevrolet C20 Scottsdale Silverado Cheyenne Custom Deluxe Custom Deluxe1973-1986 Chevrolet C20 Suburban Base Scottsdale Custom Deluxe Silverado Custom Deluxe1975-1986 Chevrolet C30 Scottsdale Silverado Cheyenne Custom Deluxe Custom Deluxe1988-1990 Chevrolet C3500 Silverado Scottsdale Cheyenne1970-1976 Chevrolet Caprice Base Classic Estate Classic Sport Estate Wagon Classic Landau Classic Estate1970-1974 Chevrolet Corvette Base1970-1975 Chevrolet El Camino Custom SS Base1976 Chevrolet G20 Beauville Chevy Van1975-1990 Chevrolet G30 Beauville Chevy Van Hi-Cube Sportvan1970-1976 Chevrolet Impala Base Custom Sport S Custom Landau1976-1980 Chevrolet K10 Cheyenne Silverado Custom Deluxe Scottsdale1973-1974 Chevrolet K10 Suburban Base1976-1980 Chevrolet K20 Scottsdale Silverado Custom Deluxe Cheyenne1973-1985 Chevrolet K20 Suburban Base Silverado Custom Scottsdale1977-1986 Chevrolet K30 Silverado Scottsdale Cheyenne Custom Deluxe Custom Deluxe

Features:

  • Billet Steel
  • Billet Steel
  • S.F.I. 1.1 Certified
  • S.F.I. 1.1 Certified
  • 10.5 In Borg And Beck Or Diaphragm
  • 10.5 In Borg And Beck Or Diaphragm
  • 11 In Borg And Beck Diaphragm Or Long Style
  • 11 In Borg And Beck Diaphragm Or Long Style
  • Limited 90 Day Warranty
  • Weight 31 Pounds

Performance Flywheel | Steel | Detroit External Balance | 168 Tooth | 30 lbs. | w/Large Bellhousing

MIA's Description

The Hays 10-235 is an externally balanced steel flywheel with a 168-tooth ring gear, designed for Big Block Chevrolet 454 engines with a 2-piece rear main seal. It weighs 30 lbs and is S.F.I. 1.1 certified.

Fitment

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandHays
Part NumberH00D 10-235

Buy with Confidence

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

View Full Return Policy