CORVETTE ENGINE SERIES NUMBER AND SUFFIX CHART Cont VB I 1955 39G 8 CYLINDER Tvpe Tvev Description Designation Descriptian Designation Spec High Perlorrnance i IF Nutei Engines are stamped with 1 saurce producticn date and type on serial uad 1966 327 8 CY INUER ll Ian i iITrans L HE Fuwerglide i i HO AIR I HH Special High Perlurniance i HT A l IR and Puwerglille HR Power Steering r r HP I Special High Performance amt l R HD Special High Perlorrnance C A C antl A I R KH 427 B CYLINDER Snecial High Perl rrn 1nce Hytl Liltersl IK Special Hign Perimrrriance r IP High Perlorrnance IL Ppwerglitle r IO A I R IM Puwerglide anti AIIII1 r IR Type Designations lor mine engines will he Ipllnwetl by an P Rochester or H Holly Carterl to designate Carburetar requirements I 1967 I 327 8 CYLINDER I lvianual Trans I HE Powerglide I I HO AIIIFI I I I HH Special High Performance I HT A R antl Powerglrrle HR I Power Steering Special High Performance antl C A C I HP Special High Perlorrnance anti A l R i HD Special High Performance C LC and A l R l H 427 8 CYLINDER I 4 Speed or Fciwerglitle IL A R ant1 Aluminum Heads JH I Tri Carta JC Ppwerglide I IO Special High Perlormance and Tri Carbi JE Puwerglide and Tri Carb I JD Heavy Duty I I IT A l R and Pczwerglide IR Aluminum Heads IU A l R Powetglide and TriI Carb JG A I R I IM A I R Special High Performance and AIR and TI i Cath JF Tri Cath I JA 1968 I 327 8 CYLINDER Manual Trans HE Hyd Steering and C C I I HP 3Speecl Automatic Trans II HU Special High Performance I HT I W XREHGUSING AND DISTRIBUTION DIVISION OF GEIJEFIAL MOTORS CORPORATION CHEVF4OLET l4A 12 REV 12 83 A 1 3