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Manley Expands 'Extreme Duty' Inconel Exhaust Valve Offerings | Drag Illustrated | Drag Racing News, Opinion, Interviews, Photos, Videos and More
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Supertech Inconel Exhaust Valves +1mm Head Size/OEM Style Face Ford/Mazda Duratec 2.0/2.3 inc. MZR DISI
![Erson-PBM-World-B2C | 1246 - ERSON - BBC Competition Series Inconel Valve - 1.880" Dia. - .3415" Stem Dia. - 5.540" O.A.L. - .250" Tip (Exhaust-Inconel) Erson-PBM-World-B2C | 1246 - ERSON - BBC Competition Series Inconel Valve - 1.880" Dia. - .3415" Stem Dia. - 5.540" O.A.L. - .250" Tip (Exhaust-Inconel)](http://www.pbm-erson.com/UserFiles/Images/Products/pbmphotos/1009-CS-Exh-valves-lg.jpg)