Powermaster Features: 4.4:1 Gear Reduction Recommended For 10:1 Compression Engines Clears Most Headers Works w/Most Oversized Kickout Oil Pans Permanent Magnet for High efficiency Height: 12.38 Width: 7.50 Length: 8.50 Weight: 8.50 lbs Fitment: 2003/Mercury/Mountaineer/Base Sport Utility 4-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated^^2003/Mercury/Marauder/Base Sedan 4-Door/4.6L 281Cu. In. V8 GAS DOHC Naturally Aspirated^^2003/Mercury/Grand Marquis/LSE Sedan 4-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated^^2003/Mercury/Grand Marquis/LS Sedan 4-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated^^2003/Mercury/Grand Marquis/GS Sedan 4-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated^^2003/Lincoln/Town Car/Signature Sedan 4-Door/4.6L 281Cu. In. V8 GAS SOHC Naturally Aspirated^^2003/Lincoln/Town Car/Executi...