6700414L/M, Delco Hy-Power Casting #18015765. Same as 18014080 Topkick and Kodiak Application, W…

6700413L/M, Delco Hy-Power Casting #2623435. Same as 18003998 IHC Application, With 5-1/2" Stake…

6700412L/M, Delco Hy-Power Casting # 18015765, Late Design. Same as 18001880 Chevy / GMC Applicat…

6700411L/M, Delco Hy-Power Casting #2623435. Same As 18001810 Chevy / GMC Early Design, With 7" …