Single Exhaust Valve
Compatible with: GM & Chevrolet 6.0L/6.2L (Enginetech V4451)
Nominal Stem Diameter: 8.00 mm
ET Stem Diameter: 0.3136 inches
Standard Head Diameter: 1.590 inches
ET Head...
Single Intake Valve
Compatible with: GM / Chevrolet / Pontiac (Enginetech V1078)
Nominal Stem Diameter: 11/32 inches
ET Stem Diameter: 0.3413 inches
Standard Head Diameter: 1.720 inches
ET Head...
Single Intake Valve
Compatible with: GM & Chevrolet 409 (Enginetech V2387)
Nominal Stem Diameter: 3/8 inches
ET Stem Diameter: 0.3725 inches
Standard Head Diameter: 2.188 inches
ET Head...
Single Intake Valve
Compatible with: GM & Chevrolet 348 (Enginetech V2238)
Nominal Stem Diameter: 3/8 inches
ET Stem Diameter: 0.3720 inches
Standard Head Diameter: 1.938 inches
ET Head...
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...