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KATECH - KAT-A6969 - $3299.95
LT4 GEN V CNC PORTED CYLINDER HEADS (PAIR)
-New GM castings (no core required) 
-Assembled 
-Sold as a pair 
-Chambers untouched to maintain stock compression ratio 
-326cc intake port 
-110cc exhaust port 
Gen 5 LT1 CNC Ported Cylinder Heads
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