5.0L Boss Block
- Stronger Design For High HP Applications
- 4.125" Maximum Bore
- 3.995" Finished Rough Bore
- 8.2" Deck Height
- Splayed 4 Bolt Mains On #2,#,3& #4
- Max Stroke 3.400"
The legend is reborn with this all-new Ford Performance Boss 302 Engine Block! Stronger than the original!
4.125" bore capacity, finished at 3.990" to 3.995" 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)
½" head bolts
Uses common OD cam bearings M-6261-J351/R351
Weighs approximately 175 lbs.
Great price and value
The foundation for 8.2" deck projects
ARP-1543603 head bolts are required for this block
- Fits 1979-1995 Ford Mustangs
This product is intended for off-road use only, and is not legal for use in emission restrictive states. Off-Road Disclaimer
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