SBM March Crank Pulley 10051

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dodge freak

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Got a nice March Crank pulley for a SBM. Now its the smallest one they make at 5 1/4 inches. My old 318 was throwing the P.S. belt at 7,000 rpms, lol. This pulley stop that but motor temp was creeping up at the stoplights. Did not want my new 340 to run 200 degrees at the lights so got a 6 3/4 pulley. I was using a 6.7/8 water pulley, a smaller water pump pulley might work out great ???

One bolt hole I had to enlarge. My new 6 3/4 pulley was done right. This was brought from Summit last year! http://www.summitracing.com/parts/MCH-10051/

Price, hmm. $40 total to your door lower 48 states

I'm in S.E. Michigan and on ebay as 1572Peters

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No idea what water pump pulleys line up, depends on your damper also I believe. March Pulley website might have the measurements for this pulley, I do know March Pulley sells water pump pulleys as well to go with these but I used stock Mopar

The first groove is 1 1/2 inches and to the 2nd groove its 2 1/2 inches. That is from the back of the pulley to the center of each groove.
 
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