Mammoth 79mm x168mm 2150-2350 cfm ... fits: Shelby gt500 mustang,03-04 cobra, hemi, 2011 and up 5.0 mustang. Is Mono blade. Used with kenne bell Mammoth kits. Brand new never used $500 shipped BTW..im not a scammer either we will do whatever so u feel comfortable about the sale I know how these idiots are out here on the internet. If u wanna talk about it I can exchange numbers also just let me know thanks and God bless!