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Performance Upgrades - Maintenance - Modifications - Problem Solving - Off-Road - Street Trucks. Covering the Explorer, ST, Sport, Lincoln Aviator, Sport Trac, Mercury Mountaineer, Mazda Navajo, Ford Ranger, Mazda Pickups, and the Aerostar. Featuring H.I. - Human Intelligence.
NO! The chambers on the later heads are smaller and will raise your compression ratio a full point to 10:1, you don't wanna do that with a daily driver and especially one with alot of miles.