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KATECH - KAT-A6753 - $1999.95
LT1 GEN V CNC PORTED CYLINDER HEADS (PAIR)
New Katech CNC ported LT1 cylinder heads flow 332cfm on the intake and 239cfm on the exhaust compared to the stock 295cfm intake and 221cfm exhaust at .700 lift. 

-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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