Ford MotorSport Cobra Specification Steel Crankshaft and Flywheel, will fit standard clutch, gearbox and starter motor, will reduce rotating masses, good for over 8,500rpm if used with steel rods and forged pistons. Will fit all modular 4.6l engines. Has additional counterbalance weights to reduce high speed vibration. Bargain at £375, is new assembly would cost £1500 to import.
http://www.ebay.co.uk/itm/3008235863...84.m1555.l2649