Ford Performance Engine Block Boss 351W 9.2" Deck

Ford Performance:


  • Ford Performance Parts
  • Durable Iron Construction
  • 9.2" Deck Design
  • 2 And 4-Bolt Main Caps
MSRP $2,550.00
You save 7%

Ford Performance Boss 351 Cylinder Block with a 9.2" Deck.

These Ford Performance Cylinder Blocks (M-6010-BOSS35192) offer the strongest possible casting, and a variety of performance features. Ford Performance casts these 9.2" deck blocks out of a unique iron mix, with added material in critical areas, for the strongest possible casting.

Features and Benefits:
- 9.2" Deck Design
- Four Bolt Main Caps
- Durable Construction
- Ford Performance Quality

These engine blocks feature four-bolt mains, accommodations for roller valvetrains, plus revised oiling and cooling. These 9.2" deck Windsor blocks are great for restricted cubic inch racing classes, or to fit under lower hoods.

- 4.125" bore capacity, finished at 3.990" to 3.995" rough bore
- 9.2" deck height, finished at 9.200" plus .010" to .015"
- Maximum recommended stroke 4.00", clearance dependent on crankshaft/connecting rod mfgr.
- Splayed 4-bolt main on 2, 3, 4, main caps
- 2-bolt main on 1 and 5 main caps
- Main bearing bores finished to low limit
- 2.749" main journal diameter (stock 351C size)
- Finished lifter bores
- Machined to accept factory roller lifter guides and lifter guide retainer
- Revised oiling and cooling system passageways
- Siamese bore with drilled coolant crossover
- Increased bulkhead material
- Threaded core and galley plugs (straight thread port plugs with O-ring)
- Requires special length 1/2" head bolts (M6065BOSS) or head studs (M6014BOSS)
- Recommended with M6049X306/307/Z304DA heads
- M6051S331 or M6051CP331 head gasket recommended
- Weighs approximately 195 lbs.

Please Note: Not designed for production 302/351W or M6049Y302/Y303/X302/X303/X304/X305 cylinder heads.

California Residents: Proposition 65 Warning

Only for use on pre-pollution controlled vehicles: This product can be used on vehicles that were manufactured before emissions control regulations were imposed. Pre-pollution vehicles are defined as:

  • 1965 and older U.S. manufactured California certified vehicles
  • 1967 and older U.S. manufactured federally certified vehicles

Installation Difficulty


Advanced skill is required for this installation.

Only registered users can ask/answer questions. Please sign in or create an account.
Write Your Own Review
Only registered users can write reviews. Please sign in or create an account.