Stellar Automotive Group FMX Medium Case Filter Kit fits Ford 55-67

Stellar Automotive Group FMX Medium Case Transmission Filter Kit – Compatible for Ford, Mercury & Lincoln 1955-1967

Bring your vintage FMX medium case automatic back to smooth-shifting glory with this complete service kit from Stellar Automotive Group – includes the high-flow internal filter and matching pan gasket.

This direct-replacement kit restores proper fluid circulation with an upgraded filter featuring extended surface area for improved flow performance. The included durable pan gasket ensures a perfect, leak-free seal every time. Regular replacement prevents the harsh shifts, delayed engagement, and overheating common in these classic cast-iron FMX transmissions.

Perfect fit for popular 1955-1967 models including:

• Ford Mustang, Falcon, Fairlane, Torino, Ranchero
• Mercury Comet, Cyclone, Cougar (early)
• Lincoln Continental (select)

Common symptoms this kit resolves:

• Delayed or harsh shifting
• Slipping or flare between gears
• Transmission whine or overheating
• Dark or burnt fluid on dipstick

Easy 20-minute service – drop the pan, install new filter and gasket, refill with Type F ATF, and drive.

Note: All parts are distributed, not designed or manufactured, by Stellar Automotive Group.

Add this essential classic FMX maintenance kit to your cart today and keep your 60s Ford shifting like it just rolled off the line!