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Duramax ARP 2000 Cylinder Head Studs Kit (230-4201):
$250.00
36 Main M12 threaded studs (the primary heavy-duty cylinder head fasteners)
36 12-point nuts (chrome-moly steel)
36 Hardened parallel-ground washers
8 Smaller M8 bolts
Fits LB7 , LBZ, LMM, LML and LLY engines. DOES NOT INCLUDE ARP LUBE.