Value Combo Kit of 12 OEM Valves (6 Exhaust, 6 Intake) for GM 3.8L V6 1988-95

24501290:

Other Interchange Numbers: V3916 2757N V1711 25532065 12353403, 10-1711, 24501667 24501291 25532066
Specs:
Head Diameter (Inch) = 1.7100
Stem Diameter (Inch) = 0.3405
Part Length (Inch) = 4.7270
Head Diameter (MM) = 43.4340
Stem Diameter (MM) = 8.6490
Part Length (MM) = 120.2660
Face Angle = 45
Material Face = SIL1
Material Head = SIL1
Material Stem = SIL1
Material Tip = SIL1
Stem Type = SG
Use Ind = (I) Intake

24501667:

Other Interchange Numbers: V3916 2757N V1711 25532065 12353403, 10-1711, 24501667 24501291 25532066
Specs:
Head Diameter (Inch) = 1.4870
Stem Diameter (Inch) = 0.3405
Part Length (Inch) = 4.7270
Head Diameter (MM) = 37.7700
Stem Diameter (MM) = 8.6490
Part Length (MM) = 120.2660
Face Angle = 45
Material Face = 21-4N
Material Head = 21-4N
Material Stem = SIL-1
Material Tip = SIL-1
Stem Type = SG
Use Ind = (E) Exhaust