Its the E-brake return spring on sedans. My '54 uses the big spring between there and the "pull bar" that attaches to the two parking brake cables. A rod from my E-brake handle (not a pedal as shown) pulls on the "pull bar" to engage brake. Then the return spring anchored on torque tube returns the "pull bar" to its disengaged position.


Preaching the Hot Rod Gospel according to the 4-stroke apostles:

Suck, Squish, Fire and Fumes