This ARP 12-point head bolt kit fits Chevrolet Small Block LS engines (LS series, 2004 and later, excluding LS9). Supplied as a head bolt solution, it provides the correct fastener configuration for compatible LS cylinder heads and is intended to replace OE head bolts with a direct-fit ARP kit tailored to the specified LS model years.
ARP Chevrolet Small Block LS 12pt Head Bolt Kit (Fits LS, 2004 & later except LS9)