NOS GM SET OF 8 (all eight - 4 per head) not in GM boxes
1958 Pontiac 370 Bonneville Chieiftan Star Chief Super Chief with single 2BBL or 4BBL carb Exhaust valve
1960 Pontiac 389 Catalina Ventura Star Chief Bonneville with single barrel carb Exhaust valve
1957 1958 1959 1960 Pontiac GMC Truck 336 347 370 389 ci 8 Cylinder Exhaust Valve
Applications Include:
1957-1959 GMC Series100 150 250 Series 336 ci 347 ci V8 Exhaust Valve to engine 336-35000
1957 1958 GMC 347 Series 100 150 250 8 cyl Exhaust Valve
1958 and 1960 Pontiac All Models w/ one 2 Bbl or one 4 Bbl Carb 370 ci 389 ci V8 Exhaust Valve (there are no 1959 Pontiac applications)
Head Dia 1.600"
Overall Length 5.303"
Stem Dia .341
Seat Angle 44°
Quantity 8 set of exhaust valves