Ford Performance 5.0L Boss Block by Ford Performance

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Details   |   Reviews
Ford Performance 5.0L Boss Block

Pick up your very own 5.0L Boss Block today to put in your 1979-1995 Fox Body Mustang and add some serious power!

Item #M6010BOSS302
MPN# M-6010-BOSS302

Everyday Low Price: $2,599.99

Out of Stock
This item is not eligible for discounts or coupon codes.
 This item is not returnable. Details
 Truck Freight Item - Shipping calculated at checkout. Details

This product cannot be sold or shipped to the state of California. More Details

Made in the USA


  • 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 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

Ford Performance Racing Parts "Packs" and Component Parts Limited Warranty - Click Here
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Ford Performance Racing Parts Crate Engine Limited Warranty - Click Here

  • Ford Mustang - 1979, 1980, 1981, 1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995

California Residents:
Prop 65 Warning SignWARNING: Cancer and Reproductive Harm-
Ship Weight: 210 lbs

About This Brand

Ford Performance
Ford Performance - Mustang Ford Racing Parts
Ford Performance Parts is the leader in performance parts and accessories for Mustang and Ford Lightning. is proud to offer Ford Racing Performance Parts for your project. Ford Racing is dedicated to manufacturing the highest quality products offered in the industry. Choose from suspension, exhaust, wheels, and other performance parts at Late Model Restoration. If you want the best for your Mustang or SVT Lightning, look no further than Ford Performance Parts!