Boss Engine Block; Big Bore 351 Blocks; 4.185 in. Bore Capacity Finished at 4.12 in. Rough Bore; Designed For Cyl. Heads M-6049-X306//X307/C3/D3/Z304DA;
Over the years, racing has become big business for teams, sponsors, and manufacturers around the world. However, "grassroots" motorsports remain at the core of Ford's DNA. Grassroots performance began with Ford and has become a part of American culture. The Model A is the most modified car in history, and enthusiasts the world over continue to embrace Ford, Mercury, and Lincoln cars and trucks from the 1930s right on through to today. Road racers, drag racers. circle track competitors and street rodders have channeled, stepped-on, hopped-up, chopped down and modified their favorite cars to excel on the street, at the track, and in car shows. The Ford Mustang immediately became part of this culture when it was introduced in 1964-and remains a staple of grassroots performance to this day. In 2014, Mustang marks 50 years of winning, and has driven its way into racing history. Moreover, the car's appeal is universal; a recent European study identified Mustang as the most desirable classic car in Europe. Motorsports continue to evolve, with advances in technology and greater demand for smaller powertrains, as well as growing appetite for new formats like Rally Cross and Drifting. How it develops in the next 50 years remains to be seen, but we intend to be there to celebrate it, thanks to passionate enthusiasts like you, who have driven the success of Ford, Ford Racing and Mustang since the beginning.
  • 9.2 in. Deck Height-Finished at 9.200 in. Plus .010-.015 in.
  • Unique cam plug M-6026-S351 included
  • Designed For Stock Type Timing Cover; M-6059-D351 Recommended
  • Fits Factory Oil Pan w/Custom Oil Pick-up Tube M-6622-BOSS302
  • Maximum Recommended Stroke 4.00 in.
  • 4-Bolt Main on 2-3-4 Main Caps; 2-Bolt Main on 1/5 Main Caps
  • Main Bearing Bores Finished To Low Limit
  • 2.749 in. Main Journal Diameter (Stock 351C size)
  • Machined To Accept Factory Roller Lifter Guide/Retainer
  • Revised Cooling System Passageways
  • Threaded Core/Galley Plugs-Straight Thread Port Plugs w/O-Ring
  • Uses Common OD Cam Bearings M-6261-J351/R351
Country of Origin (Primary) US
GTIN 00756122104408
Harmonized Tariff Code (Schedule B) 8409915085
Hazardous Material Code N
Life Cycle Status Code Available to Order
NAFTA Preference Criterion Code B
SDR Required Flag N

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Ford Racing M-6010-BOSS351BB BOSS 351W BLOCK 9.5 DECK 4.120 BIG BORE

Vehicle Fitment

Fitment: Universal

Product Information

  • $2,650.00