{"product_id":"ford-racing-boss-302-cylinder-block-big-bore","title":"Ford Performance M-6010-B302BB BOSS 302 ENGINE BLOCK BIG BORE","description":"In the world of racing and performance, BIGGER is always better.  Ford Performance gets it -  and that's why it offers BOSS small blocks in Big Bore versions.  The Ford Performance BOSS blocks are designed to be a replacement for the legendary BOSS 302 and BOSS 351 blocks using the latest technology and manufacturing techniques available.  Cast from diesel grade iron with siamese bores, thick cylinder walls and decks, BOSS block strength is far superior to any Ford production block ever offered. \u003cbr\u003e\u003cbr\u003e Ford Performance Big Bore version of the BOSS 302 block makes it simpler and more economical to build really BIG small blocks.  To insure the most precise bore location, concentricity and integrity, the BOSS Big Bore blocks are machined an additional .125\" during the initial block fixturing and boring stage.  With an unfinished bore size of 4.120\", Ford Performance BOSS 302 Big Bore blocks will support engine sizes up to 363 cubic inches. \u003cbr\u003e\u003cbr\u003e The Ford Performance BOSS block capability has been proven around the world, both on the track and on the street.  And, all Ford Performance BOSS blocks are cast and machined to the highest industry standards in the USA. \u003cbr\u003e\u003cbr\u003e4.125\" bore capacity, finished at 4.115\" rough bore. Also available in standard bore version, part number: M-6010-BOSS302\u003cbr\u003e8.2\" deck height, finished at 8.200\" plus .010\" to .015\"\u003cbr\u003eDesigned with optimized cylinder wall length for stroker applications up to 3.5\" with no grinding or clearancing.  (Depends on crank\/rod manufacturer)\u003cbr\u003eSplayed 4-bolt main on 2, 3, 4, main caps\u003cbr\u003e2-bolt main on first and fifth main caps\u003cbr\u003eMain bearing bores finished to low limit\u003cbr\u003eFinished lifter bores\u003cbr\u003eMachined to accept factory roller lifter guides and lifter guide retainer\u003cbr\u003eFits factory 1979 - 1995 Mustang oil pan with custom oil pickup tube, part number: M-6622-BOSS302\u003cbr\u003eNASCAR inspired front oil feed on both lifter galleys.\u003cbr\u003eRevised cooling system passageways\u003cbr\u003eSiamese bore\u003cbr\u003eIncreased bulkhead material\u003cbr\u003eThreaded core and galley plugs (straight thread port plugs with O-ring)\u003cbr\u003eRequires special length 1\/2\" head bolts M-6065-BOSS or head studs M-6014-BOSS recommended with M-6049-X306\/307\/Z304DA heads\u003cbr\u003eDesigned 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\u003cbr\u003eUses common OD cam bearings M-6261-J351\/R351\u003cbr\u003eUnique cam plug M-6026-S351 included\u003cbr\u003eM-6051-S331 or M-6051-CP331 head gasket recommended\u003cbr\u003eDesigned to be compatible with the original 302 and 351W blocks and includes the following features:\u003cbr\u003eDesigned to use stock type timing cover, timing Cover M-6059-D351 recommended (includes fuel pump provision)\u003cbr\u003eFits factory Mustang oil pan with custom oil pick-up tube M-6622-BOSS302\u003cbr\u003eRetains clutch cross shaft pivot hole\u003cbr\u003eOriginal Style oil filter location\u003cbr\u003eOriginal motor mount boss locations\u003cbr\u003eOriginal bell housing pattern\u003cbr\u003eWeighs approximately 163 lbs.\u003cbr\u003eGreat price and value\u003cbr\u003eThe foundation for 8.2\" deck projects\u003cbr\u003eProven performance - used in Ford Performance sealed 347cid race engines and Ford Performance high performance crate engines, a proven winner out of the crate and thousands of laps before rebuild.\u003cbr\u003e","brand":"Ford Performance Parts","offers":[{"title":"Default Title","offer_id":47925941502210,"sku":"FRPM-6010-B302BB","price":2278.5,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/0618\/0354\/files\/newboss_5_20198b74-d2df-499d-9c25-d434d3b3a91c.jpg?v=1784977286","url":"https:\/\/www.lethalperformance.com\/products\/ford-racing-boss-302-cylinder-block-big-bore","provider":"Lethal Performance","version":"1.0","type":"link"}