Ford Performance Cylinder Block Boss 302 Big Bore 8.2" Deck

Ford Performance: M-6010-B302BB
MSRP: $2,350.00
CJ's Low Price:
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Ford Performance Cylinder Block Boss 302 Big Bore 8.2" Deck
Ford Performance

Product Description

Ford Performance Boss 302 Big Bore Cylinder Block with an 8.2" Deck for Ford Mustangs.

The legend is reborn with this all new 302 block. Stronger than the original, this makes a great foundation for 8.2" deck projects.

Cylinder Block Features:
- 4.125" bore capacity, finished at 4.115" rough bore
- 8.2" deck height, finished at 8.200" plus .010" to .015"
- Maximum recommended stroke 3.400"
- 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 Mustang oil pan with custom oil pickup tube
- Revised oiling and cooling system passageways
- Siamese bore with drilled coolant crossover holes
- Increased bulkhead material
- Threaded core and galley plugs (straight thread port plugs with O-ring)
- Requires special length head bolts (M6065BOSS) or head studs (M6014BOSS)
- Recommended with M6049X306/307/Z304DA heads
- Designed for M6049X306//X307/C3/D3/Z304DA cylinder heads
- Uses common OD cam bearings M6261J351/R351
- Unique cam plug M6026S351 included
- M6051S331 or M6051CP331 head gasket recommended
- Weighs approximately 175 lbs.

*Not designed for production 302/351W or M-6049-Y302/Y303/X302/X303/X304/X305 cylinder heads.

Installation Instructions

Mustang Installation

Product Reviews

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Product Questions

I was wondering if this would fit on my 2003 3.8 L v6 mustang and what else I would need to continue to build the engine from the ground up. I'm also looking into a new transmission. Thanks for the help.

Asked by: csmith253
This will likely fit in your engine bay, yes. We offer numerous transmissions - browse our Transmission category, clicking on manual transmission or automatic, depending on what you're after:
Answered by: CJ Pony Parts
Date published: 2017-03-05

I was wanting to know if this block uses roller lifters or if it still uses flat tappet lifters? Also, can 69' BOSS 302 heads be used with this block? I would like to possibly use this block to build a 331 stroker.

Asked by: LWinslow11
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