AMS Racing Assembled Forged Chevrolet LSX 427 CI Short BlockChevrolet LSX block (4. 125" bore) Forged pistons with performance file fit rings AMS Racing Forged rotating assembly with 6. 125" h beam 4340 forged rods (ARP 8740 bolts) and 4340 forged 4. 000" stroke crankshaft King XP or Clevite H race bearings All machine work and assembly done in house at AMS Racing Each short block is custom built to YOUR needs. If you don't see an option that you would like to get a price for(arp main studs, etc.) please email
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AMS Racing Assembled Forged Chevrolet LSX 427 CI Short Block