OPGI.com works best with JavaScript enabled.

As seen on

  • V8TV Logo
  • Motorhead Garage Logo

American Powertrain

Seal, Mechanical Speedometer, American Powertrain, TKO/T-56/Magnum Transmission

Part# : CH31398
Mfg#: SPUN-10004BK
Sold As: Each
Ship Size: Standard
$23.95
List Price: $26.95
You Save 11%
Checkmark IconIn Stock
available for immediate delivery
Vehicle Specific View fitment for 8 models
Add To Wishlist 

TREMEC® Transmission Speedometer-Port Block-Off Plug by American Powertrain™

Billet-aluminum plug seals the unused mechanical speedometer port on electronic-speedometer builds.

American Powertrain™ identifies SPUN-10004BK as a billet-aluminum block-off plug for the unused mechanical speedometer opening when an electronic speedometer is used. It fits multiple TREMEC®-family transmissions and includes the sealing O-ring, retaining bolt and lock washer needed for installation.

• For electronic-speedometer transmission builds • Billet-aluminum speedometer-port block-off plug • Includes sealing O-ring • Includes retaining bolt and lock washer • Fits multiple TREMEC®-family transmissions

Notes

  • This item is not eligible for any further discounts or promotional pricing.
We aim to provide accurate and complete product information. If you notice anything incorrect, missing, or unclear, please let us know.
WARNING: This product can expose you to chemicals including lead, sulfur, nickel, chromium, vanadium, titanium, polyvinyl chloride, and 4,4’-methylenebis (2-chloroaniline), which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov.

Vehicle Fitment

Year Make Model Application Details
1964–1972 Buick Skylark TKO/T-56/Magnum transmissions
1964–1972 Chevrolet Chevelle TKO/T-56/Magnum transmissions
1964–1972 Chevrolet El Camino TKO/T-56/Magnum transmissions
1970–1972 Chevrolet Monte Carlo TKO/T-56/Magnum transmissions
1964–1972 Oldsmobile Cutlass TKO/T-56/Magnum transmissions
1964–1972 Pontiac GTO TKO/T-56/Magnum transmissions
1964–1972 Pontiac LeMans TKO/T-56/Magnum transmissions
1964–1970 Pontiac Tempest TKO/T-56/Magnum transmissions
  • Headshot of OPGI Employee
    Need help finding the right GM restoration parts? Contact a GM Parts Specialist
    Mon–Fri 8:00–4:30 PT
    Sat 10:00–3:00 PT
    GM Parts Specialist Offline
  • Price Match Guarantee Great parts. Competitive prices. Guaranteed.
  • GM Restoration Experts Since 1982 Over four decades dedicated to GM restoration
  • Original GM Is Our Standard Original GM parts and factory references guide every reproduction
  • A Deeper GM Selection Thousands of restoration, performance, and replacement parts

Customers Who Viewed This Item Also Viewed

Reviews (0)

UH OH! Product reviews didn't load.
Please reload the page, or unblock our review partner Yotpo.com.
Seal, Mechanical Speedometer, American Powertrain, TKO/T-56/Magnum Transmission
American Powertrain Seal, Mechanical Speedometer, American Powertrain, TKO/T-56/Magnum Transmission