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 JL-RH-MTRH 2007 Chevrolet Silverado 2500 HD

2007 Chevrolet Silverado 2500 HD LTZ Extended Cab Pickup

SPECIAL NOTES: If the engine is not using a water thermostat

Holley embossed logo

allowing higher valve spring pressures

Fits Chevy intakes

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 JL-RH-MTRH 2007 Chevrolet Silverado 2500 HDCylinder 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