1991 Ford F-450 Automatic Transmission Valve Bodies
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Sonnax®High Performance Automatic Transmission Line Pressure Booster KitFord F-450 1991, High Performance Automatic Transmission Line Pressure Booster Kit by Sonnax®. Includes: Pressure Regulator Spring, O-Rings (2), Large Ratio Boost Assembly. Sonnax hydraulic line pressure booster kits contain stronger...Achieve shorter shifts and increased torque capacity without creating low-speed harshnessImproved band and clutch holding capacity for increased durability$33.32 - Sonnax®High Performance Extreme Heavy Duty Automatic Transmission Line Pressure Modulator Plunger Valve KitFord F-450 1991, High Performance Extreme Heavy Duty Automatic Transmission Line Pressure Modulator Plunger Valve Kit by Sonnax®. Includes: Plunger Valve, Sleeve, O-Ring. Outer Diameter: 0.500". Some transmissions have soft 1-2 or 2-3...Sleeve is manufactured from carbon steel to prevent excessive wearValve is made from hardened alloy steel for better wear resistance$29.64
