R railhor5.9 cummins racer Joined Mar 30, 2009 Messages 95 Feb 18, 2010 #1 will they fit? serial number on the motor is 465872242, model #qsb6.7,mfg date 2-28-06, hp409/6.7, any gains? thanks in advance. Toby
will they fit? serial number on the motor is 465872242, model #qsb6.7,mfg date 2-28-06, hp409/6.7, any gains? thanks in advance. Toby