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Chevrolet Camshaft (Group 0.519)

 

Each year has its own page on camshaft specifications. This page only deals with GM service replacements as of 1972.

 

Part  Number Service For Notes
  193-250 i6 Engines  
3864918 62-70 All (194,230) ( exc H/Per) Ident #3864897
3864497 64 w/H/Per, 65-71 All (250), 72 all (exc NB2), 72 w/NB2 Ident #3864896 or 3850958 "A"
6262809 72 w/NB2  
  283-cid V8  
3896929 64-67 283 Ident #3896930
  307-cid V8  
3896929 68-72 307-cid V8 Ident #3896930
  327-cid V8  
3896929 64-69 All ( exc. Sp H/Per) Ident #3896930
3972178 64 w/Sp H/Per Ident #3849347
3863151 65-68  Sp. H/Per w/hyd. lifters) Ident #3849347 or 3863152
  350-V8  
3896929 67-72 All (exc. Sp. H/Per, NB/2) Ident #3896930
3972178 70-72 All Sp. H/Per. Valve lash .024 intake and .030 exhaust
3998962 72 NB/2  
  396-cid V8  
3863143 65-70 All Sp. H/Per Ident #3863143 (1)
3874872 66-69 exc. H/Per, Sp. H/Per Ident #3874874 (1)
3883986 66-70 H/Per (1)
  (1) For 1966 engines the rear cam bearing area must be machined for proper oil flow  
  402-cid V8  
3874872 70 Ident #3874874
3963544 71 Ident #3963545
  427-cid V8  
3863143 Sp. H/Per. Ident @3863874
  454-cid V8  
3863143 70-71 Sp. H./Per. Ident #3863143
3883986 70 H/Per, 71-72 (exc. Sp. H/Per.)  
3963544 70 (exc. H/Per., Sp. H/Per.) Ident #3963545