The 1965-1967 Corvette 5500 RPM Tachometer Redline Gauge limit was based upon the amount of horsepower the Corvette produced. The 5500 Redline included the following horsepowers: 250, 300, and 390 (1966)H.P.
Applies to all manual and automatic transmissions.
Applications 1965:
Applications 1966:
Applications 1967: