- Engines & Components
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- Ford Performance Boss 302 Cylinder Engine Block
Boss 302W Block
Ford Racing has resurrected a legend - the Boss 302! Featuring new design and construction methods, the new Boss 302 cylinder blocks are stronger than the original Boss 302 blocks. Featuring diesel grade iron with siamese bores, these blocks are ideal for both high horsepower and endurance applications. Available in both regular bore and big bore versions, these cast iron cylinder blocks are ideal for your Boss 302 or 351 engines, whether it be a rebuild or a new construction!
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Features- 4.125" Bore Capacity, Finished At 3.990" To 3.995" (M-6010-BOSS302) And 4.115" (M-6010-B302BB) Rough Bore
- 8.2" Deck Height, Finished At 8.200" Plus .010" To .015"
- Designed With Optimized Cylinder Wall Length For Stroker Applications Up To 3.5" With No Grinding Or Clearancing.
- Splayed 4-Bolt Main 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 - 1995 Mustang Oil Pan With Custom Oil Pickup Tube M-6622-BOSS302
- NASCAR Inspired Front Oil Feed On Both Lifter Galleys.
- Revised Cooling System Passageways
- Siamese Bore With Drilled Coolant Crossover Holes (Except On M-6010-B302BB)
- 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
- Designed For The Following Cylinder Heads:
- Not Designed For Production 302/351W Cylinder Heads
- Uses Common OD Cam Bearings M-6261-J351 And M-6261-R351
- Unique Cam Plug
- M-6051-S331 Or M-6051-CP331 Head Gasket Recommended
- Designed To Be Compatible With The Original 302 And 351W
- Designed To Use Stock Type Timing Cover
- Fits Factory Mustang Oil Pan With Custom Oil Pick-Up Tube M-6622-BOSS302
- Retains Clutch Cross Shaft Pivot Hole
- Original Style Oil Filter Location, Motor Mount Boss Locations, Bell Housing Pattern
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