Home/1964-73 Mustang Blocks and Shortblocks Ford Performance Boss 363 Shortblock, all forged, 4.125 bore x 3.40 stroke $8,296.54 Ford Performance Boss 427 shortblock, all forged, 4.125 bore x 4.00 stroke $8,921.91 Ford Performance Boss 460 stroker 351W shortblock, all forged $9,172.06 ATK Performance 302/5.0 Shortblock Call ATK Performance 351W Shortblock Call ATK Performance 351W Shortblock Roller block Call ATK Performance 331 Stroker Shortblock, forged Call ATK Performance 347 Stroker Shortblock, forged Call ATK Performance 347 Stroker Shortblock, all forged internals Call ATK Performance 408 Stroker Shortblock, roller block, forged Call ATK Performance 393 Stroker Shortblock, roller block, forged Call ATK Performance 408 Stroker Shortblock, roller block, all forged Call ATK Performance 460 Big Block Shortblock Call ATK Performance 520 Stroker Big Block Shortblock Call
