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 / 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 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 & Chevrolet 8.1L 496 (Enginetech V8100)
Nominal Stem Diameter: 3/8 inches
ET Stem Diameter: 0.3717 inches
Standard Head Diameter: 2.187 inches
ET Head...