Enginetech V2148 | Single Intake Valve for GM & Pontiac 2.5L Round Groove

Single Exhaust Valve Compatible with: GM & Pontiac 2.5L 151 Round Groove (Enginetech V2151) Nominal Stem Diameter: 8.00 mm ET Stem Diameter: 0.3132 inches Standard Head Diameter: 1.500 inches ET...

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 & Pontiac 455 (Enginetech V1828) Nominal Stem Diameter: 11/32 inches ET Stem Diameter: 0.3415 inches Standard Head Diameter: 2.104 inches ET Head...

ingle Intake Valve Compatible with: GM & Pontiac 350/400/455 (Enginetech V2912)