[VetteMed]

Should be the same PN for all ZF 6-speed cars, ZR-1 or base.

I haven't replaced one, but It seems like a fairly simple process.

GM PN for 91-95 is 10456089
GM PN for 90 is 25007224 - 25007308 (both listed on Kurt's website - whiteracingproducts.com