Ford Racing Boss 302 Engine Block - 4.115 in Bore - 8.200 Deck - 4-Bolt Main - 2-Piece Seal Quick Turn Fastener Insert Plate Airtight sealing allows the engine

Airtight sealing allows the engine to pull greater vacuum for improved ring seal and power

Stock Number 6441

2008-2010 Ford F-350 Super Duty

and a second high-pressure nitrogen gas area with a floating piston that provides a comfortable ride during normal driving and adds instant performance on demand

Ford Racing Boss 302 Engine Block - 4.115 in Bore - 8.200 Deck - 4-Bolt Main - 2-Piece Seal Quick Turn Fastener Insert Plate Airtight sealing allows the engineIn the world of racing and performance, BIGGER is always better. Ford Performance gets it and that's why it offers BOSS small blocks in Big Bore versions. The Ford Performance BOSS blocks are designed to be a replacement for the legendary BOSS 302 and BOSS 351 blocks using the latest technology and manufacturing techniques available. Cast from diesel grade iron with siamese bores, thick cylinder walls and decks, BOSS block strength is far superior to