Product Summary

Universal Fit, Hardware Included, Zinc, Urethane

  • This heavy duty polyurethane transmission mount is a direct replacement for original GM mounts
  • Fits GM manual or automatic transmissions
  • Features a built in safety lock to prevent separation
  • Specially deigned to be much stronger than OE rubber engine mounts
  • Limits unwanted movement thereby putting more power to the wheels

Comes as a Kit

Key Specs

MFG. Part #9100440
BrandSpeedway Motors

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Speedway Motors 9100440 Details

Transmission Mount

Heavy duty polyurethane replacement for original GM mounts. Features a built-in safety lock to prevent separation. For race or street race use.

Fits "most" GM transmissions having a mount on the tailshaft. The bolt spacing for the tranny mount will accomodate 3-3/4" to 4-1/4" bolt pattern on the transmission. For several applications including Powerglide, TH200, TH250, TH350, TH400, 700R4, and Saginaw, Gorg-Warner, and Muncie transmissions.


Engine Mount

These black polyurethane motor mounts for S/B and B/B Chevy are much stronger than OE rubber mounts but still reduce vibration.

  • Limits unwanted movement thereby putting more power to the wheels
  • Tough like solid metal mounts without the vibration and noise
  • Resistant to oil, chemicals and road contaminants that typically deteriorate rubber

Speedway Motors 9100440 Specifications

MFG. Part #9100440
BrandSpeedway Motors
Bolt Hole Pattern3.75"-4.50" Trans Mount 2.63" Engine Mount
Hardware IncludedYes
Material TypeUrethane
Sold in QuantityKit