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Home / Brakes & Drivetrain / B&M TRANSMISSION SPEEDOMETER PORT PLUG Fits GM TH350, TH350c, Powerglide, Muncie M-20, and Aisin AY6 Genuine

B&M TRANSMISSION SPEEDOMETER PORT PLUG Fits GM TH350, TH350c, Powerglide, Muncie M-20, and Aisin AY6 Genuine

Original price was: $74.95.Current price is: $37.48.

SKU: SK1072458-US20260126-092757 Category: Tag:

Description

B&M Racing & Performance brings you this billet aluminum speedometer port block-off plug that fits GM TH350, TH350c, Powerglide, Muncie M-20, and Aisin AY6 transmissions. This plug is used to block the mechanical speedometer gear port when upgrading to an electronic speedometer and includes a replaceable Buna-N-rubber o-ring. It features a black Mil-Spec anodized finish for long-lasting good looks, even in harsh conditions. Comes with hardware and instructions for a quick and easy installation.

Features

  • Billet Aluminum Construction with Engraved B&M Logo
  • Protects Your Transmission from Contaminants during use or storage
  • Replaceable O-ring seal for leak prevention and simple maintenance
  • Perfect for Electronic Speedometer Conversions
  • Mil-Spec Black Anodized Finish for long lasting good looks
  • Includes Stainless Steel Hardware for Superior Corrosion Resistance