Single Intake Valve
Compatible with: GM 5.7L 346/6.0L 364 (Enginetech V4366)
Nominal Stem Diameter: 8.00 mm
ET Stem Diameter: 0.3136 inches
Standard Head Diameter: 2.000 inches
ET Head Diameter: 2...
Single Intake Valve
Compatible with: GM & Buick 3.8L 231 (Enginetech V4422)
Nominal Stem Diameter: 8.00 mm
ET Stem Diameter: 0.3133 inches
Standard Head Diameter: 1.830 inches
ET Head Diameter:...