I have for sale an Underdrive crank pulley / harmonic balancer for a 93-96 LT1 using a Firebird or Camaro belt drive. Will not work with a Corvette belt drive, unsure of the Impala belt drive. Unsure of the brand as it came on my 94 Firebird when I bought it, did have to upgrade the alternator when using this as well as use a smaller belt. In good condition, was painted black at some point. Comes with Grade 8 bolts. Let me know if you have any questions, thanks.
