GM
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GM 6.6L Duramax Internal Injector hole
2001-2004
C#: 122620408 / 487 / 8GF15872 LB7
VIN: 1, D
Internal Injector hole with inside step 0.690"
Weight: 30 LBS
Valves sold separately
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GM 2.2L #391S
1991-1997
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Chevy GM 305 L30
1996-1999 C# 059/ 113/ 520 1.840 Int Valve Diameter / 1.500 Exh Valve Diameter Learn More