Single Intake Valve
Compatible with: GM & Chevrolet 348 / 409 (Enginetech V2353)
Nominal Stem Diameter: 3/8 inches
ET Stem Diameter: 0.3710 inches
Standard Head Diameter: 2.063 inches
ET Head...
Single Exhaust Valve
Compatible with: GM & Chevrolet 409 (Enginetech V2386)
Nominal Stem Diameter: 3/8 inches
ET Stem Diameter: 0.3710 inches
Standard Head Diameter: 1.719 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 / Pontiac (Enginetech V1078)
Nominal Stem Diameter: 11/32 inches
ET Stem Diameter: 0.3413 inches
Standard Head Diameter: 1.720 inches
ET Head...