Edelbrock E-Series E-205 Cylinder Head - Assembled - 2.080 / 1.600 in Valve - 205 cc Intake - 60 cc Chamber - 1.550 in Springs - Small Block Ford - Pair 91629069 250 outside diameter and 1

250 outside diameter and 1

125 in Bores

1967-1971 Pontiac Firebird

with 3/8 adaptor available

Dry boiling point of 600 +

Edelbrock E-Series E-205 Cylinder Head - Assembled - 2.080 / 1.600 in Valve - 205 cc Intake - 60 cc Chamber - 1.550 in Springs - Small Block Ford - Pair 91629069 250 outside diameter and 1Cylinder Head Specifications: Combustion chamber volume: 60cc; Intake runner volume: 205cc; Exhaust runner volume: 62cc; Intake valve diameter: 2. 08"; Exhaust valve diameter: 1. 60"; Valve stem diameter: 11 32"; Valve guides: Manganese Bronze; Deck thickness: 5 8"; Valve spring diameter: 1. 46"; Valve spring maximum lift: . 575"(5028) . 650"(5027); Rocker stud: 3 8"; Guideplate: Hardened steel; Pushrod diameter: 5 16"; Valve angle: 20 ; Exhaust port