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 348 (Enginetech V2237)
Nominal Stem Diameter: 3/8 inches
ET Stem Diameter: 0.3715 inches
Standard Head Diameter: 1.656 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 / Pontiac (Enginetech V1078)
Nominal Stem Diameter: 11/32 inches
ET Stem Diameter: 0.3413 inches
Standard Head Diameter: 1.720 inches
ET Head...