Ferrea Competition Hollow Stainless Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long 20-OTL-NB-M Compatible with countless GM V6s

Compatible with countless GM V6s and V8s

1968-1981 Cadillac Fleetwood

470 in Rectangle Port

Four door only

1980-1980 Pontiac Grand Prix

Ferrea Competition Hollow Stainless Exhaust Valve - 1.880 in Head - 11/32 in Valve Stem - 5.450 in Long 20-OTL-NB-M Compatible with countless GM V6sProduct Description: Exhaust Valve Competition Hollow 1. 880 in Head 11 32 in Valve Stem 5. 450 in Long Stainless Big Block Chevy Set of 8 Ferrea Racing Components are engineered to excellence! For the past 40 years, Ferrea Racing Components has been manufacturing hard core racing components for various types of engines in a wide range of categories worldwide. Ferrea uses the latest technological advances gained through the development of engine valve