Designed as replacements for the legendary boss 302 and boss 351 blocks they use the latest technology and manufacturing techniques. Designed to use stock type timing cover timing cover m 6059 d351 recommended includes fuel pump provision compatable with factory 302 or 351w oil pan designs retains clutch cross shaft pivot hole.
Ford Performance Crate Engine 460 Cid Boss 351 Block 575 Hp Front Sump
Ford racing boss 351 block. Engine blocks are based on windsor 351 architecture with cleveland sized 2749 in. Reply 3 on. 4125 bore capacity finished at 3990 to 3995. Available in two deck heights 92 in. Cast from diesel grade iron with siamesed bores thick cylinder walls and decks boss block strength is far superior to any ford production block. If you do not have a ford performance account and would like to create one.
And all ford racing boss blocks are cast and machined to the highest industry standards in the usa. 4125 bore capacity finished at 3990 to 3995. When designing what would become the new boss 351 block ford racing incorporated many of the successful qualities from the boss 302 and their previous 351 blocks. With an unfinished bore size of 4120 ford racing boss 351 big bore blocks make really big small blocks as big as 460 cubic inches. High rpm naturally aspirated. Ford racing m 6010 b35192bb block 92 deck big bore.
By preserving many of the dimensions and features from the original 289 351 blocks the boss blocks are compatible as replacements for use in just about any vehicle that used a windsor style engine. After casting each batch of. And 95 in they feature 4 bolt main caps and screw in freeze plugs. Boss blocks are fully compatible with the original 302 and 351w blocks and includes the following features. Cast from diesel grade iron and designed with added material in key areas boss block strength is far superior to any ford oe block ever produced. With a 4185 bore capacity sonic check recommended this block is finished at 412 rough bore and a 92 deck height finished at 9200 plus 010 to 015.
Dart block or ford racing boss 351 block. Technological improvements such as splayed main bolts siamesed bores with engineered coolant cross drilling front crossover lifter oiling and diesel grade iron with 41000 psi tensile strength separate ford performance parts boss 351 cid. The boss block capability has been proven abound the world both on the track and on the street. The boss block capability has been proven abound the world both on the track and on the street. June 28 2010 101444 am 1 i have the same question regarding cylinder length of the new boss 351 vs. Cast from diesel grade iron and designed with added material in key areas boss block strength is far superior to any ford oe block ever produced.
By preserving many of the dimensions and features from the original 289 351 blocks the boss blocks are compatible as replacements for use in just about any vehicle that used a windsor style engine. Ford performance parts boss 351 cid. The ford racing boss block capability has been proven around the world both on the track and on the street.