NEW GMC SIERRA GM CHEVY SILVERADO 454 7.4 OHV V8 GEN 5
K3500 SERIES TRUCK CAST IRON GASOLINE CYLINDER HEAD
FITS YEARS 96-00
CASTING NUMBER 279/241
2.065″ Intake valve
1.720″ Exhaust valve
Highest grade cast iron material used in manufacturing
Hardened exhaust seats
Replaces casting numbers: 10141279, 12560241
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