AMS Racing GM Gen IV LY6 408 CI Stroker Forged Short BlockChevrolet Gen IV 6. 0L iron block (4. 030" bore) Mahle powerpak forged flat top pistons with performance file fit rings Eagle brand rotating assembly with forged 6. 125" h beam rods (ARP 8740 bolts) and 4340 forged 4. 000" stroke crankshaft (24 or 58 tooth) King XP 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
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AMS Racing GM Gen IV LY6 408 CI Stroker Forged Short Block