Engine Block, Cast Iron, 4-Bolt Mains, 4.000 in. Diameter Bore, 1-Piece Rear Main Seal, Ford, Small Block, Each

Main Journal Type:

Ford 302 Windsor

Engine Block Material:

Cast iron

Engine Block Style:

OEM

Engine Block Deck Height:

Standard deck

Deck Height (in.):

8.200 in.

Cylinder Bore as Shipped:

4.000 in.

Cylinder Bore Diameter:

4.000 in.

Maximum Bore Diameter (in.):

4.125

Main Bolt Style:

4-bolt

Main Caps Included:

Yes

Main Cap Material:

Cast iron

Main Cap Fasteners Included:

Yes

Main Bearings Included:

Rear Main Seal Style:

1-piece

Finished Cylinder Bores:

Yes

Raised Cam Location:

Cam Bearings Included:

Freeze Plugs Included:

Yes

Remanufactured:

Quantity:

Sold individually.

Ford Performance Parts Boss 302 Engine Blocks

The perfect foundation for your Boss engine--Ford Performance Parts Boss 302 engine blocks! They're built stronger than the originals to make your high performance build a success. Designed as replacements for the legendary Boss 302 and Boss 351 blocks, they use the latest technology and manufacturing techniques. Cast from diesel-grade iron with siamesed bores, thick cylinder walls and decks, Boss block strength is far superior to any Ford production block. Boss 302 blocks are available in standard and Big Bore versions that support engine sizes up to 363 c.i.d. Proven around the world, both on the track and on the street; all Ford Performance Boss 302 blocks are cast and machined to the highest industry standards in the USA.

Features include:

* Big Bore version features 4.125 in. bore capacity, finished at 4.115 in. rough bore
* Standard bore version is finished at 3.990 to 3.995 in. rough bore with 4.125 in. bore capacity
* 8.2 in. deck height, finished at 8.200 in. plus .010 to .015 in.
* Optimized cylinder wall length for stroker applications up to 3.5 in. with no grinding or clearancing (depends on crank/rod manufacturer)
* Splayed 4-bolt mains on 2, 3, 4, main caps
* 2-bolt main on first and fifth main caps
* Main bearing bores finished to low limit
* Finished lifter bores
* Machined to accept factory roller lifter guides and lifter guide retainer
* Fits factory 1979-95 Mustang oil pan with custom oil pickup tube, part number: M-6622-BOSS302
* NASCAR inspired front oil feed on both lifter galleys
* Revised cooling system passageways
* Increased bulkhead material
* Threaded core and galley plugs (straight thread port plugs with O-ring)
* Require special length 1/2 in. 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 O.D. cam bearings M-6261-J351/R351
* Unique cam plug M-6026-S351 included
* M-6051-S331 or M-6051-CP331 head gasket recommended
* Uses stock-type timing cover (M-6059-D351 recommended; includes fuel pump provision)
* Retains clutch cross shaft pivot hole
* Original-style oil filter location
* Original motor mount boss locations
* Original bell housing pattern
* Approximate weights: Big Bore 163 lbs.; standard bore 175 lbs.

EC - FORD RACING BLOCKS

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