Product Description
ARP 134-3610 High Performance Head Bolt Kit for 2005+ LS Engine
Be sure to note which head bolts you need as GM used two different style LS head bolts
1997-2003 Blocks used QTY 8 155mm Bolts, QTY 2 100mm bolts, and QTY 5 45mm bolts
2005-2013 Blocks used QTY 10 100mm bolts, and QTY 5 45mm bolts
These head bolts are manufactured by ARP from premium 8740 chrome moly steel and heat treated to 190,000 psi. They are thread rolled after the heat treating process, which vastly improves their fatigue tolerance compared to studs threaded before heat treatment. High-quality, parallel ground washers and 12 point nuts included. Exact tolerances ensure that gaskets and cylinder heads just glide into position and align perfectly. For all 2004 and newer Gen 4 LS engines,
ARP HP cylinder head studs are cold-forged to ensure molecular integrity. They're heat-treated prior to thread rolling and machining. ARP HP Series kit features Hex Heads, and all kits come complete with hardened parallel washers for an even load distribution and accurate torque readings.
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Great quality
ARP fasteners are always the best!
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Great price and availability
The box arrived a couple days after I ordered. Nobody else had these in stock and they were actually the cheapest. Great price, Great shipping, Great inventory
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Worked great
Worked great
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Worked great
Worked great
