4.7L Engine
PISTON SPECIFICATIONSMaterial Aluminum Alloy
Diameter 92.975 mm (3.6605 in.)
Weight 367.5 grams (12.96 ounces)
Ring Groove Diameter
No. 1 83.03 - 83.73 mm (3.269 - 3.296 in.)
No. 2 82.033 - 83.833 mm (3.261 - 3.310 in.)
No. 3 83.08 - 84.88 mm (3.302 - 3.310 in.)