Ron is a Mustang Club of America (MCA) Gold Card Judge and Assistant National Head Judge, so he knew that he might have an opportunity to run across another early '71 Boss 351 to confirm the ...

See All 23 Photos Like the Boss 302, the Boss 351 featured small-chamber, canted-valve heads equipped with a 2.19/1.71 valve package. Since the 4V Cleveland heads had seen more than their fair ...

Two-barrel engines got 2.04/1.65-inch valves, intake/exhaust, and four-barrel engines got 2.19/1.71 ... the 351 had a hot new version for 1971. Original plans were to continue the Boss 302 into ...

While the 302 and the 429 went into the history books (Ford eventually built a 1971 Boss 302), the badge returned the following model year on a Mustang powered by a 351-cubic-inch (5.8-liter ...

then the ’71 Boss would be good for 264 net horses. Still, with the habitual understating of the actual performance figures to keep insurers at bay, it’s hard to say whether a 1972 351 HO ...

Prices shown are the prices you can expect to pay for a 1971 Ford Mustang 2 Door Fastback (Boss 351) across different levels of condition. Edit options.

Rated at 330 horsepower, the Boss 351 was legit, with a solid cam ... would not exceed again for another 20 years. Like the ’71 Mach 1 above, this 1973 Chevrolet Camaro Z28 features its original ...

Editor’s note:Jerry Heasley has been researching and writing collector car value guides since 1976. He wrote the first comprehensive value guide for Mustangs in 1982 and updated it frequently ...

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