Zenith Oversized Throttle Shaft & Lever for 1928-31 Model A Ford

Take Control with a Reliable Throttle Shaft & Lever for Your Zenith Carburetor

Is your engine struggling with uneven idle due to a worn throttle shaft? Upgrade to our precision-engineered oversized shaft (A-9581-OS) for a seamless fix. Designed to restore smooth performance, it’s the ideal solution for worn castings—no more guesswork or unreliable revs.

For standard replacements, we also offer the A-9581 variant. Built tough to last, so you can focus on the drive, not the repair.

Sold individually. Engineered for reliability.