27-Spline Mainshaft

If you're looking to restore or upgrade your classic ride, the USA Standard Gear ZMMUNWT297-2A Muncie Mainshaft is a must-have component for your transmission system. It measures 21.13 inches in length. Key features include its 27-spline design for optimal engagement, the fact that it does not require a 1st gear thrust washer, and its compatibility with a steel speedometer gear. Before ordering, it is crucial to verify the length of your original mainshaft to ensure compatibility. This part does not use a 1st gear thrust washer, so keep that in mind during your installation process. For accurate readings, it is recommended to opt for a steel speedometer gear. Many users have found that this mainshaft provides a seamless fit for their classic Chevelle builds, noting that it significantly improved their shifting performance. This Muncie mainshaft is compatible with a wide range of classic vehicles, including models from Buick, Chevrolet, Oldsmobile, and Pontiac, spanning from the mid-1960s to the mid-1970s. Examples include the Chevrolet Camaro (1967-1974), Chevrolet Corvette (1966-1974), and Pontiac Firebird (1967-1974), among many others.