Vacuum Power Brake Booster for Chevrolet Corvette 1985-1991 V8 5.7L OHV | OEM# 54-71401, 5471401, 10097670, 10097674, 14080222 | Without Master Cylinder

Compatible with Chevrolet Corvette1985–1991 ｜V8 5.7 L OHV ｜Without Master CylinderBrake Pedal Rod Extension Included NoBrake Service Grade RegularDiaphragm Diameter 192 mmDiaphragm Diameter 7.559 inDiaphragm Type SingleGasket or Seal Included NoHousing Diameter 8.922 inHousing Diameter 226.64 mmHousing Material SteelMaster Cylinder Included NoMaster Cylinder Stud Thread Size M8x1.25Mounting Bracket Included NoMounting Hardware Included NoNeck Seal Included YesStud Thread Size M8x1.25

• Vehicle Compatibility：Compatible with Chevrolet Corvette 1985–1991 (V8 5.7L OHV, without Master Cylinder).
• OEM Replacement Numbers：54-71401, 5471401, 10097670, 10097674, 14080222.Fully interchangeable with the original factory part. Please confirm your OEM number or vehicle configuration before purchasing.
• Restore Braking Performance：Effectively restores vacuum pressure and braking assist function. Provides stable braking force, reduced pedal effort, and a smooth, consistent braking response in all driving conditions.
• Easy Installation：Designed as a direct-fit replacement for the factory unit — no modification or special tools required. Connects directly to the existing master cylinder and vacuum hose for quick and clean installation.
• Durable Construction：Built with reinforced steel housing and high-quality diaphragm materials to resist corrosion, deformation, and leakage. Each unit is individually tested to ensure long-lasting and reliable performance.