Replaces factory oil cap on many GM LS engines. Check www.radiumauto.com for compatibility information. Plug can be removed and accessories can be added to convert the cap to a crankcase breather point.
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Messaged Brian about the thought of doing coilovers and sway bars on my c6. He called me up and we talked for probably 30 min, awesome guy to work with/shop with. Definitely would recommend this company.