Join Date: Aug 2010
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H11's are bigger and require the hole to be drilled and threaded correct? Call ARP. They should help.
No, H11's are the same size. No drilling or tapping required. My H11's from Elite are the silver color that the OP is talking about...
'04 F-250 Lariat CCSB FX4
Elite H-11 headstuds, BPD oil cooler, BPD bypass oil filter, BPD Waterpump, BPD 58 volt FICM,mWarren 175/30's, KC Stage 3 68mm turbo, Andy Warren Comp plus tranny, PI Stallion, Sinister EGR delete, MBRP 4" exhaust, Dieselsite coolant filter, ELC, Edge Insight CST, SCT SRL++