This part ships for FREE via UPS Truck Freight shipping!
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"
What's in the Box
(1) Boss Block
5.0L Boss Block
The legend is reborn with this all-new Ford Racing 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
Ford Racing - Mustang Ford Racing Parts
Ford Performance Racing Parts is the leader in performance parts and accessories for Mustang and Ford Lightning.
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