Ford Racing Performance 460 Siamese Big Bore Engine Block Mustang 1965-2004/F-100 1948-1979/Bronco 1966-1977

Make your Mustang, F-100, or Bronco a jewel to behold with the Ford Racing Performance 460 Siamese big bore engine block, designed for high-performance and professional competition. Replacing the previous M-6010-A460 block, this robust engine block features a Siamese cylinder bore design and a 10.322" deck height for maximum power output. Capable of being bored or stroked to produce up to 598 cubic inches, it offers a bore range from 4.360" to 4.600". The block is constructed from high-strength cast iron and includes nodular iron main caps with 4-bolt main caps on journals 2, 3, and 4. With a priority main oiling system and a wet sump oiling design, this block ensures reliable lubrication under extreme conditions. Weighing approximately 275 lbs., it can handle the demands of serious horsepower builds.

Features and Benefits:
- Replaces the Previous M-6010-A460 Block
- Features a Siamese Cylinder Bore Design
- High-Strength Block for Professional Competition
- 10.322" Deck Height Plus or Minus .005"
- Also Available in Big Bore Version-M-6010-A460XBB
- Can be Bored or Stroked to Produce up to 598 Cubic Inches
- Bore Range from 4.360-4.600"
- Priority Main Oiling System Design
- Wet Sump Oiling System
- Nodular Iron Main Caps
- Cast Iron Block with 4-Bolt Main Caps on Journals 2, 3, and 4
- 3.00" Main Journal Diameter
- Block Weighs Approximately 275 lbs.

Additional Notes:
- Siamese blocks are a solid casting between the cylinder bores. There are no water passages between them. This is done to increase the strength of the block.
- Four bolt main cap requires stock oil pan modifications.