Why It Matters
Manual cars used a 3.70 conventional axle and Powerglide used 3.55. RPO 675 offered 3.70, 4.11, or 4.56 limited-slip ratios for manual-transmission cars. Carrier code, ratio, date, and documentation must agree with the claimed configuration.
Also Known As
1960 Corvette rear axleRPO 675 Positraction3.70 Positraction4.11 Positraction4.56 Positraction
