The Speedmaster PCE721.1001 is a manual valve guide plate designed specifically for GM Powerglide transmissions. This precision-crafted component serves as a critical part of the park and gear selector lever linkage system, helping to ensure accurate, consistent gear selection and reliable park engagement.
Engineered as a direct-fit replacement or performance upgrade for Powerglide-equipped vehicles, this guide plate helps maintain proper manual valve alignment within the transmission. Ideal for street rods, drag cars, and classic GM builds running the Powerglide transmission.