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Very important
Please read before continuing!
When choosing a clutch it is very
important to match the appropriate horse power and work load. For example: The
MU 0090 Rally and MU 0090 Con O are capable of handling the horse power and
torque ratings provided in our listings, but if the truck is used for heavy
hauling when coupled with torque ratings exceeding 600 ft. lbs. damage to the
clutch disc WILL occur. The cause and effect is the 12 1/4" disk does not
provide enough dampened area to absorb the added torque of the Cummins along
with heavy hauling. These two clutch kits are fine for light towing and
performance. If you are going to be towing in excess of 8,000 lbs. while
exceeding 600 ft. lbs. of torque you must go with the MU 13-1.25 Con O, OFE or
FE. This will offer a clutch that will handle heavy towing with vehicles
equipped with the higher torque ratings. This clutch only applies to trucks with
5 speed transmissions and early 6 speeds that are not equipped with the HO
engine. If a 12 1/4" clutch is purchased from us, or one of our
distributors, and gets destroyed at the dampened portion of the disc, warranty
will not be granted.
Do not try and save money when
it comes to choosing a clutch. This will only cost you more in the long run.
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