Texas Speed LS1 Cylinder Head Upgrade - Big Power, Small Change - Part 1
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In order to reinstall the heads, a set of GM LS1 multi-layer steel head gaskets (PN 28-12498544, retail $48.99), along with new GM head bolts (PN 28-12498545, retail $47.99), are required, as LS-series head bolts are a torque-to-yield design and can't be reused. Since GM changed to a design that utilized all "short" head bolts for LS-series engines after May 2004, be sure to select the LS1 part number to ensure the correct combination of long and short head bolts. View Related Article
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