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 inch Borg-Beck diaphragm, and 11 inch Borg-Beck, diaphragm and long style clutches. This flywheel weighs 30 lbs.

Features and Benefits:

• S.F.I. 1.1 Certified
• Fits External Balance 400 Chevy 1970-1978 models
• 168 Tooth Flywheel
• Drilled 10.5 inch And 11 inch Clutches
• Weighs 30 Lbs

Details:

• Application: Chevrolet
• Emission Code: 5
• Engine: Chevrolet Small Block Gen I
• Engine Balance: External
• Material: Steel
• Number of Teeth: 168
• SFI Approved: Yes
• SFI Certification: 1.1
• Warranty: Manufacturer's Limited 90 Day Warranty

Application Summary:

• 474 1970-1972 Chevrolet Biscayne Base
• 1970-1972 Chevrolet Brookwood Base
• 1970-1972 Chevrolet Kingswood Estate Base
• 1970-1972 Chevrolet Townsman Base
• 1970-1975 Chevrolet Bel Air Base
• 1976-1978 Chevrolet C10 Cheyenne Silverado Scottsdale Custom Deluxe
• 1976-1978 Chevrolet C20 Scottsdale Cheyenne Custom Deluxe Silverado
• 1976-1978 Chevrolet C30 Silverado Custom Deluxe Cheyenne Scottsdale
• 1970-1976 Chevrolet Caprice Base Classic Estate Classic Sport Estate Wagon Classic Estate Classic Landau
• 1970-1976 Chevrolet El Camino Base SS Custom Classic
• 1970-1976 Chevrolet Impala Base Custom Sport Custom Landau S
• 1975-1978 Chevrolet K10 Cheyenne Silverado Custom Deluxe Scottsdale
• 1975-1978 Chevrolet K20 Silverado Cheyenne Scottsdale Custom Deluxe
• 1977-1978 Chevrolet K30 Scottsdale Custom Deluxe Cheyenne Silverado
• 1970-1976 Chevrolet Monte Carlo Base Landau S
• 1900 Car Chevrolet Small Block Chevy Applications