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Summit Racing™ Automatic Transmission Rebuild Kits

4.52 out of 5 stars 31 Customer Reviews

On average, transmissions last between 30,000 to 50,000 miles before requiring maintenance. When that milestone occurs, Summit Racing™ offers automatic transmission rebuild kits for more than a dozen transmission models spanning a half-century. The kits include all-new clutches, oil seals, gaskets, lip seals, and a transmission filter. These rebuild components are an economical way to restore performance. Order the kit recommended for your application.

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Summit Racing™ 30-Spline TH350 Transmission Rebuild Kit SUM-705000

Summit Racing™ 30-Spline TH350 Transmission Rebuild Kit SUM-705000

Automatic Transmission Rebuild Kit, GM, TH350, Non-Lockup, 30-Spline, Kit

Part Number: SUM-705000

4.18 out of 5 stars ( 11 )

Estimated Ship Date: Tuesday 9/2/2025

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Estimated Ship Date: Tuesday 9/2/2025

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