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ENGINE COMPONENTS SERPENTINE BELT HORSEPOWER PULLEY KITS – MUSTANG 5.0L M-8509-A50 Fits 1987-1993 Mustang 5.0L. Contains steel crankshaft, water pump and alternator pulleys, plus bolts and installation instructions. Reduces accessory drive rpm by: water pump -14% and alternator -22%... and significantly improves performance! Pulleys are manufactured on state-of-the-art CNC machines and have an awesome blue finish over zinc plating. Pulleys use production serpentine belt. WARNING: Engine cooling will be reduced. 1965-1969 MUSTANG BILLET 1970-1978 MUSTANG BILLET 1970-1978 MUSTANG BILLET SINGLE-GROOVE PULLEY SET SINGLE-GROOVE PULLEY SET DUAL-GROOVE PULLEY SET M-8509-CM M-8509-DM M-8509-EM • Fits 1965-1969 Mustang • Fits 1970-1978 Mustang • Fits 1970-1978 Mustang with with 289/302/351W with 302/351W/351C 289/302/351W/351C • 3-bolt crank pulley • 4-bolt crank pulley • 4-bolt crank pulley • Single-groove crank pulley • Single-groove crank pulley • Dual-groove crank pulley • Single-groove water pump pulley • Single-groove water pump pulley • Single-groove water pump pulley MUSTANG BOSS 302 STEEL 5.4L LIGHTNING CRANKSHAFT FORGED CRANKSHAFT M-6303-M54 M-6303-M50B • Original equipment for the 1999-2004 • Finish-machined forged steel crankshaft as used in the production SVT Lightning 5.4L 2012-2013 Mustang BOSS 302 engine • Forged steel • 92.7 mm stroke • 106 mm stroke • Balance is compatible with the M-6100-M50BR BOSS 302 • Standard journal diameters connecting rod and piston assembly. Requires balancing if • 8-bolt flywheel used with another rod and piston assembly 5.4L COBRA JET CRANKSHAFT M-6303-C54SC4 • Service replacement part for the 2008 and 2010 Mustang Cobra Jet race car • Use damper bolt, Ford Part No. 4G7Z-6A340-AA (3.400" long), • Original equipment for 2007-2011 Shelby GT500 damper bolt washer, Ford Part No. 7R3Z-6332-A, and diamond • Fits most 5.4L blocks coated lock washer, Ford Part No. 7R3Z-6378-A, between the damper • Forged steel and the timing gear • 106 mm stroke • Standard journal diameters • 8-bolt flywheel • Damper bolt hole counter bored to strengthen crank snout for supercharged applications For important information about the proper usage of performance parts, please see page 14. See pages 286-292 for important safety, emissions and warranty information. www.fordracingparts.com 137


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