THE BARGAIN BOSS 302 FORGED SHORT BLOCK KIT IS BACK

The new Ford Racing BOSS 302 Shortblock kit features quality engine components at a very competitive price. This kit utilizes forged pistons with rings, forged connecting rods and a steel crankshaft wrapped in the race-proven BOSS 302 block. The unassembled kit is an excellent value and a great start for any performance 302 engine build.

• BOSS 302 Shortblock Kit Includes:
  
  • Mahle forged Aluminum Pistons with ring set
  • 4.00" bore Flat top w/ 1.60" compression height.  Yields a 9.0:1 (nominal) compression ratio w/ a 64cc combustion chamber.
  • Pistons have generous valve reliefs that work with most inline valve heads
  • Ring set is 1.5mm compression, 1.5mm second, 3mm oil ring
    
  • Eagle forged steel 6-bolt crank
    
  • Eagle forged steel I-beam connecting rods
    
  • Engine bearings not included
    
  • The latest race proven Ford Racing BOSS 302 block ($1,650 by itself) with over $1,400 worth of quality forged engine components, at a great package price and FREE SHIPPING!
    
  • Includes: Ford Racing BOSS 4-bolt main block M-6010-BOSS302
  • Great deal on a strong foundation for your next 302 engine build whether it be normally aspirated, forced induction, or with nitrous.
    
  • This is a kit and is unassembled.  This means that normal finish machining and assembly is necessary as in all engine builds.  Please review the BOSS 302 Block install sheet for this item concerning block dimensions and specifications that may impact the builder's engine assembly process.
    
    
• BOSS 302 block features:
  
  • Splayed 4-bolt main on 2, 3, 4, main caps, 2-bolt main on first and fifth main caps
  • High Tensile Strength Diesel Grade Cast Iron
    
  • 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"
  • 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 1/2" head bolts M-6065-BOSS or head studs M-6014-BOSS recommended with M-6049-X306/307/Z304DA heads
  • Designed for M-6049-X306//X307/C3/D3/Z304DA cylinder heads. Not designed for production 302/351W or M-6049-Y302/Y303/X302/X303/X304/X305 cylinder heads
  • Uses common OD cam bearings M-6261-J351/R351
  • Uses 1 piece rear main seal
    
  • Unique cam plug M-6026-S351 included
  • M-6051-S331 or M-6051-CP331 head gasket recommended