347 harmonic balancer

Fischers7

Member
Jan 26, 2019
8
3
13
Katy TX
I'm installing a 347 stroker in my 91 coupe. The eng builder said I will need a 28oz harmonic bal and flywheel. So I found a 28oz balancer. Not realizing its a 3 bolt and my crankshaft pulley is a 4 bolt. My question is their a 3 bolt serpentine pulley for this application or a 4 bolt 28oz harmonic bal out there. Now I hope their are no issues with the flywheel I purchased.
 

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