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LA Speedometer Gear 700R4 & BOP TH350 Clip + Driven & Drive Gears

When it comes to transmission performance, speedometer accuracy matters. The LA Speedometer Gear kit is designed to keep your GM transmission calibrated and running right. With a full set of 40–45 tooth driven gears and 15, 17, 18, 19 tooth drive gears, this package is the perfect solution for getting your speedometer back on track.

Why These Gears Matter

Whether you’ve changed tire size, swapped rear-end gears, or are simply replacing worn components, the right speedometer gear setup ensures accurate readings. Without the proper combination, your speedometer can be off by several MPH — which not only affects performance but could also lead to costly tickets.

Key Features

✅ Compatible with 700R4 & BOP TH350 Transmissions – Direct fit for popular GM models.
✅ Wide Range of Gear Options – Includes 40, 41, 42, 43, 44, and 45 tooth driven gears.
✅ Multiple Drive Gear Sizes – Available in 15, 17, 18, and 19 tooth options.
✅ Durable Clip Included – Ensures secure fitment of driven gears.
✅ OEM Quality Materials – Built to last with precision-cut teeth for smooth engagement.

Applications

This kit is ideal for:

• 700R4 Transmissions (commonly found in GM vehicles from the 1980s–1990s)

• BOP TH350 Transmissions (Buick, Oldsmobile, Pontiac models)

• Custom builds and restorations where accurate speedometer calibration is critical

How to Choose the Right Gear Combo

Selecting the correct gear depends on your tire size and rear axle ratio. By pairing the right drive gear (15, 17, 18, or 19 tooth) with the correct driven gear (40–45 tooth), you can fine-tune your speedometer for near-perfect accuracy.

Why LA Speedometer Gear?

LA Speedometer Gear is known for producing precision-engineered replacement parts that meet or exceed OEM standards. Every gear is manufactured for durability, accuracy, and long-lasting performance.

Final Thoughts

If you’re running a 700R4 or BOP TH350 transmission and need a reliable solution for speedometer calibration, the LA Speedometer Gear kit is the answer. With a full range of driven and drive gear options plus the retaining clip, this kit gives you everything you need for an accurate, dependable speedometer.