Transmission Components

Coan reverse servo spring for GM TH400 transmissions, manual design. Made from steel with a natural finish, designed for street or racing builds to ensure proper reverse gear engagement. Enhances shifting reliability in high-performance TH400...

Coan transbrake kit for GM TH400 transmissions, standard brake with reverse pattern. Includes springs, solenoid, and valve, made from cast aluminum with a natural finish, designed for drag racing builds. Ensures precise launch control for consistent...

Coan stator support tube for GM Powerglide transmissions. Includes a bushing, made from heat-treated steel with a natural finish, designed for street or racing builds. Ensures proper stator alignment and support, enhancing durability in high-performance...

Coan turbo input shaft for GM Powerglide transmissions. Features a 1.76 low gear, turbo spline, 12.875in length, made from steel for durability, designed for drag racing builds. Ensures reliable power transfer and gear engagement in high-performance...

Coan Hi-Flo transmission filter for GM Powerglide transmissions. Designed for street or racing builds to ensure maximum fluid flow and filtration, preventing debris buildup. Enhances transmission longevity and performance in high-performance Powerglide...

Coan Teflon input shaft rings for GM Powerglide transmissions, pair. Made from PTFE for durability, designed for street or racing builds to ensure a reliable seal on the input shaft. Prevents fluid leaks in high-performance Powerglide setups, compatible...

Coan bushing kit for GM Powerglide transmissions. Includes all necessary bushings for a complete rebuild, designed for street or racing builds to reduce friction and wear. Ensures smooth operation and extended durability in high-performance Powerglide...

Coan transmission pan gasket for GM Powerglide transmissions. Features a Perm-Align 0.060in thick non-stick composite material, designed for street or racing builds. Ensures a secure, leak-free seal for Powerglide transmission pans in high-performance...

Coan gasket and seal overhaul kit for GM Powerglide transmissions. Includes composite gaskets and seals, designed for street or racing builds to ensure a leak-free rebuild. Provides essential sealing components for maintaining Powerglide performance in...

Coan front pump seal for GM Powerglide, TH350, and TH400 transmissions. Made from durable plastic, designed for street or racing builds to prevent leaks at the front pump. Ensures reliable sealing for maintaining transmission fluid pressure in...

Coan master overhaul kit for GM Powerglide transmissions, without band or filter. Includes clutches, steels, gaskets, and seals, designed for street or racing builds. Provides all necessary components for a complete Powerglide rebuild, ensuring reliable...

Coan rear block off plate for GM Powerglide transmissions. Made from cadmium-plated steel for durability, designed for street or racing builds to seal the rear of the transmission. Ensures leak-free performance in high-performance Powerglide applications...