Ford Performance Engine Block Boss 351W 4.125" Bore 9.2" Deck Height M-6010-BOSS35192

Ford Performance Engine Block Boss 351W 4.125" Bore 9.2" Deck Height M-6010-BOSS35192

The Ford Performance Engine Block Boss 351W is engineered for high-performance applications, featuring a 4.125-inch bore capacity and a 9.2-inch deck height. Designed to accommodate a maximum recommended stroke of 4.00 inches, this block is ideal for building robust small-block engines. Its construction from diesel-grade iron with enhanced material in critical areas ensures superior strength compared to standard Ford OE blocks.

• Enhanced Strength: Cast from diesel-grade iron with added material in key areas for superior durability.
• Optimal Dimensions: 4.125-inch bore capacity and 9.2-inch deck height, suitable for high-performance builds.
• Maximum Stroke: Supports up to a 4.00-inch stroke, depending on crankshaft and connecting rod specifications.
• Main Caps: Splayed 4-bolt main caps on positions 2, 3, and 4; 2-bolt main caps on positions 1 and 5 for enhanced stability.
• Compatibility: Designed for M-6049-X306, M-6049-X307, M-6049-X2, M-6049-C3, M-6049-D3, M-6049-Z304DA, and M-6049-Z2 cylinder heads; not compatible with production 302/351W or M-6049-Y302/Y303/X302/X303/X304/X305 cylinder heads.

• Bore Capacity: 4.125 inches, finished at 3.990 to 3.995 inches rough bore.
• Deck Height: 9.2 inches, finished at 9.200 inches plus 0.010 to 0.015 inches.
• Maximum Recommended Stroke: 4.00 inches, clearance dependent on crankshaft and connecting rod manufacturer.
• Main Journal Diameter: 2.749 inches (stock 351C size).
• Lifter Bores: Finished lifter bores, machined to accept factory roller lifter guides and lifter guide retainer.
• Oiling and Cooling System: Revised passageways with siamese bore and drilled coolant crossover for improved performance.
• Threaded Plugs: Threaded core and galley plugs (straight thread port plugs with O-ring) for secure sealing.
• Head Bolt Requirements: Requires special length 1/2-inch head bolts (M-6065-BOSS) or head studs (M-6014-BOSS) recommended with M-6049-X306/X307/X2/Z304DA/Z2 heads.
• Head Gasket Recommendation: M-6051-S331 or M-6051-CP331 head gasket recommended.
• Weight: Approximately 195 lbs.

This engine block is designed for competition use only and is not intended for installation on vehicles driven on public roads and highways. Installation on such vehicles may violate U.S. and Canadian laws and regulations related to motor vehicle emissions.