Pretty common part in this area. Check with the differential shops, LMC Chevy, etc., and look through magazines. Your truck likely has the Eaton, as you say, and shouldn't be difficult to source spider gears for, it's a Chevy afterall.


1987 Raider - Roxy
1988 Mighty Max 2.6L Turbo - Pearl
1997 Mountaineer V8 - Freddy
2000 Excursion V10 - Freya