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The Chevrolet LS9 is a 6.2 litre supercharged V8: pushrod, two valves per cylinder, with an Eaton 2.3 litre supercharger and port fuel injection. GM built it from 2009 to 2013 for the C6 Corvette ZR1 only. Most parts here cross to the LS2 and LS3 in the VE and VF Commodore.The LS9 list runs to 11 parts.
LS9 head gaskets and head bolts
Two genuine GM head gaskets are listed: a seven layer MLS and the LSA and LS9 supercharged gasket. An ARP2000 head bolt kit marked LS9 only sits with them. The LS9 gasket is cut for the 4.065 inch bore it shares with the naturally aspirated LS3, so it suits a boosted LS3 Commodore. The LS1 bore is 3.898 inch, so measure before using one there. The LSA is the same 6.2 supercharged design with a smaller 1.9 litre blower.
LS9 crankshafts and bearings
The LS9 turns its cam with a timing chain, not a belt, though none is listed here. Two Callies forged cranks are here, a Compstar eight counterweight and an Apex with a 4.0 inch stroke. NVP main and conrod bearing sets cover LS1 through LS9.
LS9 valve springs and rocker arms
Manton valve springs and spring locators are sold each. So is a genuine offset intake rocker arm for LS2, LS3, LS7 and LS9 heads. Count per head before ordering singles.
The rest of our LS9 stock
A Dart windage tray adaptor set for LS blocks is the last item.
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