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INTERLOCKING VALVE SEAT CONFIGURATION FOR IMPROVED SEAT INTEGRITY
all of the above
-CLEVITE BEARINGS
+4995 for Natural
Dual -10 AN breather bosses
LME LSR 427" 1400HP INTERLOCKING VALVE SEAT CONFIGURATION FOROur 427" LSR Shortblock is a proven combination to get more cubic inches and power for your ride. This block will go into any LS powered vehicle! Any LS1,LS2,LS3,LSA,LS7 or LS9 can be pulled out and replaced with this stout unit! This engine is set up for a forced induction application. Supercharger, turbos, procharger it doesnt matter this engine will take it. The aluminum block saves weight for those applications in need of weight savings.
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