R5 RD350 engine cases

[Junr1]

Picking up R5 engine cases soon. Will all my RD350 internals swap over? Any differences I should be aware of?
Thanks

[m in sc]

for the most part all will swap. r5 cases dont have a lip for the crank seal, so you need to use 5 crank seals. also the bearing retainer behind the clutch may be different depending on year. early 73 rd350 might be compatible with r5, later are different. .02

[Junr1]

Thanks for heads up!