Edelbrock Performer RPM Cylinder Head - Assembled - 2.110 / 1.660 in Valve - 215 cc Intake - 72 cc Chamber - 1.460 in Springs - Pontiac V8 24232513 2004-2005 Chevrolet Silverado 2500 HD

2004-2005 Chevrolet Silverado 2500 HD WT Crew Cab Pickup

This cold air intake system is 50 State Legal for 2006-2007 model years only: EO #D-418-14For more than 40 years name Roush has been synonymous with speed

Suitable for VW/Audi 500

6 spring hub

Edelbrock Performer RPM Cylinder Head - Assembled - 2.110 / 1.660 in Valve - 215 cc Intake - 72 cc Chamber - 1.460 in Springs - Pontiac V8 24232513 2004-2005 Chevrolet Silverado 2500 HDCylinder Head Specifications:; Combustion chamber volume: 87cc; Intake runner volume: 215cc; Exhaust runner volume: 175cc; Intake valve diameter: 2. 11"; Exhaust valve diameter: 1. 66"; Valve stem diameter: 11 32"; Valve guides: Manganese bronze; Deck thickness: 5 8"; Valve spring diameter: 1. 46"; Valve spring maximum lift: . 575"; Rocker stud: 7 16"; Guideplate: Hardened steel; Pushrod diameter: 5 16"; Valve angle: 14 ; Exhaust port location: Stock