Australian made RACER PRO heads win at the 2007 Jeg’s Engine Masters Challenge
Tony Bischoff from BES Racing Engines won the prestigious event from a field of over 30 of America’s top engine builders. Tony used RACER PRO raised inlet 23 degree heads on a 403 ci small block Chev producing a winning 673 HP @ 6500 rpm and 581 ft lbs of torque @ 5100 rpm.
See Popular Hot Rodding magazine Feb 08 edition for more detail also checkout this link for more info 