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CheckoutDrop-in valves that you see in this catalog are the easiest way to repair valve bodies. To install, you just need to polish the hole in the valve body and install the Maktrans valve.
Useful tool:
Maktrans drop-in valves are engineered for professional mechanics and automotive repair shops seeking fast, dependable solutions.
By polishing the existing bore and installing these precision-crafted valves, you restore vacuum values and eliminate common transmission issues such as slipping, harsh shifting, or delayed engagement — all without the extensive machining.
Our catalog offers drop-in valves for Aisin, ZF, GM, Jatco, and other automatic transmissions, and if you don’t find what you need, contact us — we’ll manufacture it for you.
Explore and equip your workshop with the tools and components required for top-tier valve body repairs.