boss 302 engine block​

These Ford Performance Cylinder boss 302 engine block​ (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 boss 302 engine block​ 9.2″ deck Windsor blocks are great for restricted cubic inch racing classes, or to fit under lower hoods.

Specifications:
– 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.