Single Exhaust Valve
Compatible with: GM 3.4L 207 DOHC (Enginetech V2683)
Nominal Stem Diameter: 7.00 mm
ET Stem Diameter: 0.2739 inches
Standard Head Diameter: 1.260 inches
ET Head Diameter: 1.260...
Single Intake Valve
Compatible with: GM 3.1L 189/3.4L 207 (Enginetech V3532)
Nominal Stem Diameter: 8.00 mm
ET Stem Diameter: 0.3139 inches
Standard Head Diameter: 1.718 inches
ET Head Diameter: 1...
Single Intake Valve
Compatible with: GM & Chevrolet 3.1L 189/3.4L 207 (Enginetech V3446)
Nominal Stem Diameter: 8.00 mm
ET Stem Diameter: 0.3139 inches
Standard Head Diameter: 1.760 inches
ET...