NASCAR Inspired Front Oil Feed On Both Lifter Galleys
What's in the Box
(1) Boss 351 Engine Block
Boss 351 Engine Block
Ford Racing has developed this Boss 351 engine block to replace the older legendary boss 302 and 351 blocks. This block is cast from diesel grade iron for strength that is far superior to any Ford OE block ever produced. WIth the great success of the BOSS blocks both on and off the track, this new block is able to be used in just about any vehicle that used a windsor style engine.
-4.125" bore capacity, finished at 3.990" to 3.995" rough bore
-9.5" deck height
-Maximum recommended stroke 4.250"
-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
-NASCAR inspired front oil feed on both lifter galleys.
-Revised 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 M-6065-BOSS or head studs M-6014-BOSS -recommended with M-6049-X306/307/Z304DA heads
-Designed for M-6049-X306//X307/C3/D3/Z304DA cylinder heads. Not designed for production 302/351W or M-6049-Y302/Y303/X302/X303/X304/X305 cylinder heads
-Uses common OD cam bearings M-6261-J351/R351
-Unique cam plug M-6026-S351 included
-M-6051-S331 or M-6051-CP331 head gasket recommended
- factory mustang oil pan with custom oil pick-up tube M-6622-BOSS302
-M-6026-A Service Replacement Plug and Dowel Kit available separately ?€? includes O-ring threaded plugs, black anodized aluminum plugs with Buna "O" rings for the oil galleys, water drains and core holes, and dowels for front cover, clutch housing and cylinder heads
-Retains clutch cross shaft pivot hole
-Original Style oil filter location
-Original motor mount boss locations
-Original bell housing pattern
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