You are currently viewing Chevrolet.com (United States). Close this window to stay here or choose another country to see vehicles and services specific to your location.

Racing Flag

Click for more details.

Racing Flag

PARTS INTENDED FOR COMPETITION USE ONLY.
Click for more details.

BIG-BLOCK DRCE BLOCKS

24502572

DRCE 2 BARE BLOCK, GRAY IRON

  • CNC-machined iron 4-bolt block  
  • 9.525” deck height, may be machined to 9.000”
  • Camshaft raised to 5.750” 
  • Cam tunnel accommodates 55-mm cam bearings 
  • 4.500” semi-finished bore  
  • 4.700” max bore
  • 4-bolt steel main caps, 16° splayed-on center three mains
  • Oil pan rails spread .400” per side for additional stroke clearance
  • Tested to 1,400-plus horsepower   

25534406

DRCE 3 BARE BLOCK, COMPACTED GRAPHITE

  • CNC-machined compacted graphite material 4-bolt block
  • 9.250” deck height, can be machined to 9.000”
  • Camshaft raised to 7.067”
  • Cam tunnel accommodates (9) 60-mm cam bearings 
  • Cam tunnel is closed (no oil drain to rotating assembly)
  • 4.590” semi-finished bore
  • 4.700” max bore
  • 2.500” crankshaft main journal 
  • 4-bolt steel doweled-after-assembly main caps, 22° splayed-on center three mains
  • Highest-available quality main studs  
  • Oil pan rails spread to 12”
  • Oil and water plugs are AN O-ring-style 
  • Tested to 1,400-plus horsepower

VISIT OUR BRANDS FOR YOUR OE NEEDS

Unless specifically noted to the contrary herein, vehicles equipped with Chevrolet Performance parts that are emissions-related may not meet U.S., Canadian, and state and provincial laws and regulations relating to motor-vehicle emissions. These parts are designed and intended for use in vehicles operated exclusively for competition: in racing or organized competition on courses separate from public streets or highways. Visit www.chevroletperformance.com/emissions for more details.