Powerdyne 6 to 9 pullie?

[smokedchevy]

The pulley is $70 bucks from powerdyne. You can't just shove more boost into your engine without a boost retard or powerdyne's smartspark cpu plug-in. You also need a minimum 190lph fuel pump. The 9# kit is the same as the six pound except it has the fuel pump and computer chip. Just know that you're going to have to sort it out, you can't just bolt the pulley on and go.

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92 GT, 4:10 gears, centerforce clutch, 6# powerdyne blower, bbk h-pipe, flowmasters