A. u: NHRA CHAMPIONSHIP DRAG RACING 2M5 I-IwaiL WAY. wm CALIFORMA gnu-49v: Eczema- (626i mum April 27, 2004 Tim McLaughlin Genesis Performance Castings $498 Bmukville Road Indianapolis, !N 46239 Dear Mr. McLaughlin, This letter is in regards la the Genem Performance Castings 'Eiiulst fur NHRA to accept Ford blocks for competition in Super Stock and stock. The NHRA Technical Department has reviewed the information you rewarded abpuk the replacement par: for the FE-Fi Series and the Matter irom Ford and have accepted mes: units The NHRA Technical Department has accepted the 427 East iran side-o Ier cylinder block as a replacement fur the Ollglnll Fnrd blocks used In 390, 405, 427, and 428 FE engines and my mher FE/FI displacements that an be built with this black. The replacement block, with a FRPP part number of M-6u10<A427 and l casting part Minibar of CSAE-H, wii' be avaiiapie for all appilizu'ons within Super Stock and Stock Eliminators. This acceptance Is subject to all applicable provisions of the NHRA Rulebook, including Section 19, whim reads in part: NHRA resewns the right (a amend the rules at any time on its own inmatve to prnnlbit or permit the use of specific types of equipment or practices If you have any questinns, give ml a call. V Na lanai Technical Director