A friend of mine At glennz performance put the ring and pinion in for me and i did the rest,I got the ring and pinion from allens gear works
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Nothing Special,87 IROC Z, 355 tpi,catco hi-flow cat 3 inch exhaust,shift kit,vette servo,K&N,gutted airboxes,X-rod/ARP bolts....blah,blah,blah