Single Intake Valve
Compatible with: GM 2.8L 169/3.5L 211/4.2L 254 DOHC (Enginetech V4352)
Nominal Stem Diameter: 3 mm
ET Stem Diameter: 0.2344 inches
Standard Head Diameter: 1.451 inches
ET Head...
Single Exhaust Valve
Compatible with: GM & Chevrolet 2.9L/3.7L/4.2L DOHC (Enginetech V4423)
Nominal Stem Diameter: 6.00 mm
ET Stem Diameter: 0.2340 inches
Standard Head Diameter: 1.323 inches
ET...
Single Exhaust Valve
Compatible with: GM 3.5L/4.0L/4.6L DOHC Northstar (Enginetech V4361)
Nominal Stem Diameter: 6.00 mm
ET Stem Diameter: 0.2335 inches
Standard Head Diameter: 1.103 inches
ET Head...