Ford Racing Cylinder Head Assembled Z2 5.0L/5.8L Windsor 016440NRAZ Retainers are machined from 4140

Retainers are machined from 4140 chrome moly

2006-2007 Chevrolet Monte Carlo

6 AN Female O-Ring Return

5:1 compression

Ford Racing Cylinder Head Assembled Z2 5.0L/5.8L Windsor 016440NRAZ Retainers are machined from 4140Cylinder Head Retains Ford OEM Intake Exhaust Port Location 20 Degree Inline Valve Angle Premium Stainless Steel Valves; 2. 05 in. Intake 1. 60 in. Exhaust 145 lbs. @ 1. 80 in. Valve Spring Closed Pressure 358 lbs. @ 1. 175 in. Valve Spring Open Pressure Coil Bind at 1. 100 in.; 0. 650 in. Max Lift Steel Alloy Intake Exhaust Valve Seats Manganese Bronze Valve Guides 63cc Combustion Chamber Made in the USAFord Racing offers a variety of products for