Blow-By Racing

 

BBR Short Blocks are high performance Xtreme Street / Strip & Race engines. They provide an excellent level of reliability in a race environment.

BBR Short Blocks Include:

STANDARD EQUIPMENT:

-Ford Racing BOSS302 or Dart SHP 4 bolt main block
-Extra Beefy 1/2" main bolts
-4340 H beam Forged Connecting Rods
-4340 Forged Stroker Crankshaft -Severe duty ductile iron moly rings -Rod Bearings: Severe duty tri-metal -Main Bearings: Severe duty tri-metal -ARP Rod Bolts 7/16" cap screw Fully Race Balanced & Assembled

Notes:
* Components rated at 800+ Horsepower
* Fits most aftermarket cylinder heads
*** Custom Pistons / Bore & Strokes available upon request***

Compression Ratio
306
58.0cc --- (-3)10.00-(-13)8.87-(+6)11.34
61.0cc --- (-3)9.63 -(-13)8.59-(+6)10.85
64.0cc --- (-3)9.29 -(-13)8.32-(+6)10.41

331
58.0cc --- (-3)10.75-(-13)9.53-(-18)9.03
61.0cc --- (-3)10.35-(-13)9.22-(-18)8.75
64.0cc --- (-3)9.98 -(-13)9.03-(-18)8.58

347
58.0cc --- (-3)11.20-(-18)9.40-(+6)12.72
61.0cc --- (-3)10.78-(-13)9.11-(+6)12.17
64.0cc --- (-3)10.39-(-13)8.84 -(+6)11.66