Single Exhaust Valve
Compatible with: Ford 2.6L 159 & 2.8L 171 (Enginetech V1833)
Nominal Stem Diameter: 5/16 inches
ET Stem Diameter: 0.3153 inches
Standard Head Diameter: 1.268 inches
ET Head...
Single Intake Valve
Compatible with: Ford 2.6L 159 / 2.8L 171 (Enginetech V1816)
Nominal Stem Diameter: 8.00 mm
ET Stem Diameter: 0.3162 inches
Standard Head Diameter: 1.571 inches
ET Head Diameter:...