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. 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. These mounts have a built in safety feature in case the polyurethane disconnects from the metal portions of the mount they will not allow the engine to move uncontrollably. Distance from the back of the mount to thru-bolt centerline is 1.75. Speedway Motors is America's Oldest Speed Shop® and has been a trusted source for specialty rodding and racing products and friendly expert advice for more than 71 years.