Current Lead Times: In Stock Engines Ship Same or Next Day - Out of Stock: 1-3 Weeks on Most Long Block Engines; 3-5 Days on Heads – *call us for more exact lead times for your specific build 
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Transmission

Choate Engineering Performance sells transmissions for 1989–1993 5.9L Cummins engines. These units handle high torque with reinforced internals and precision assembly. Gear engagement stays crisp under heavy load and extended use. Upgraded components resist heat, wear, and fluid breakdown. Designed for smooth shifts, durability, and power delivery. Built to support towing, performance, and long-term reliability.

Transmission 1989–1993 5.9L Cummins

Choate Engineering Performance sells transmissions for 1989–1993 5.9L Cummins engines. These units handle high torque with reinforced internals and precision assembly. Gear engagement stays crisp under heavy load and extended use. Upgraded components resist heat, wear, and fluid breakdown. Designed for smooth shifts, durability, and power delivery. Built to support towing, performance, and long-term reliability.