A44681-4K Superior K018 Steel Transmission Governor Shift Point Kit – Adjustable Springs & Weights for TH350, TH400, 700R4, TH250C | Fix Shift Points After Rear End Gear Changes

📦 KIT INCLUDES: 6 Steel Governor Weights 6 Calibration Springs 2 Steel Weight Pins with E-Clip Ends 6 E-Clips Replacement Seal & Gasket 📐 SPECIFICATIONS: Material: Steel (weights & pins) Part Number: A44681-4K Cross Reference: Superior K018 Fitment: TH350, TH350C, TH400, 700R4, 4L60, TH250, TH250C, 3L80 Year Range: 1965–1993 ✅ FITS THESE TRANSMISSIONS: THM400 (1965–1992) THM350 (1969–1985) THM350C (1969–1986) THM700-R4 (1987–1992) THM700-R4 / 4L60 / MD8 (1982–1993) THM250C / M31 (1980–1985) 3L80 (1992–1993)

• COMPATIBLE WITH MULTIPLE TRANSMISSIONS – Works with THM400 (1965–1992), THM350 / 350C (1969–1986), 700R4 / 4L60 (1982–1993), THM250 / 250C (1980–1985), and 3L80 (1992–1993). One kit covers popular GM automatic transmissions for muscle cars, trucks, and street rods.
• PRECISE SHIFT POINT CONTROL – Tune your transmission's shift timing to match performance upgrades, rear end ratio changes, or oversized tires. Includes 6 steel weights and 6 springs for a wide range of adjustment options, letting you raise or lower shift points exactly where you need them. *(Part # A44681-4K)*
• SOLVES REAR END GEAR CHANGE PROBLEMS – Swapped your ring and pinion? Now your transmission shifts too early or too late. This governor recalibration kit restores proper shift scheduling after gear changes, improving acceleration and drivability.
• COMPLETE KIT FOR EASY INSTALLATION – Comes with 6 governor weights, 6 calibration springs, 2 new weight pins with E-clip ends (no C-clip hassle), plus replacement seal and gasket. Everything you need for a clean, reliable rebuild of your transmission governor.
• IDEAL FOR PERFORMANCE & STREET APPLICATIONS – Whether you’re building a weekend cruiser, drag racer, or towing rig, this Superior K018 kit lets you custom tailor 1-2 and 2-3 shift points. Steel weights provide consistent mass for accurate governor response, even with cam swaps, converter changes, or high-horsepower builds.