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There's a good reason that virtually every top professional engine builder relies on ARP fasteners for their all-out competition powerplants. Simply stated, theres not a better stud setup on the market today. ARP Fastners offer high performance reliability you can trust.
ARP Stainless Steel Polished 12 point head bolts.
ARP 420-2101
Fits LS Engines with stock intake manifold. 4.8, 5.3, 5.7, 6.0, 6.2
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