Compatibility for all 4G63 main bearings

[Clutch GSX]

Do all 4G63 engines use the same main bearings? 1G, 2G, 6 Bolt, 7 Bolt, all Evos? I have some extra bearings laying around and my friend wants to buy them for his evo.

Thanks

 

[TjPhillips36]

98+ 7-Bolt main bearings are the same as evo's I believe...

 

[RC_slow_dsm]

6 bolt and 7 bolt main bearings are different. A 97+ block will have a split thrust bearing compared to an early cast 7 bolt that retains a solid thrust. I know evo's use a split thrust, so they are probably the same bearings assuming they are all the same size. Its worth a try at least.