CRW Rearend Ring and Pinion Part Numbers

[KNAPPY]

Can someone tell me the correct ring and pinion part numbers for a 70 LS6 CRW rearend.
Are they different than the CKK L78 410 gears?

Steve

[Mr70]

They both used the same,and also used on 1965-1970 Chevelle, Camaro and 1971 Malibu when 4.10 equipped. (Sport Coupe, Conv, El Camino [Custom] 8-cyl)
Ring~3862526
Pinion~382514
Overall part #3961409 (41/10 Teeth) when sold as 1 unit.

[KNAPPY]

Thanks, Is there a difference between the CRW and the CKK?