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Chevrolet Performance 25534403

DRCE 3 Engine Block, Gray Iron 4 Bolt Block

Chevrolet Performance 25534403

809-25534403

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Estimated ship date 08/28/17 if Ordered Today
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Chevrolet Performance 25534403 DRCE 3 Engine Block, Gray Iron 4 Bolt Block $6,248.99
DRCE 3 Engine Block
  • Gray Iron 4 Bolt Block
  • 9.250" Deck Height
  • Camshaft Raised To 7.067"
  • 4.590" Semi-Finished Bore (4.700" Max Bore)
  • 2.500" Crankshaft Main Journal

  • Chevrolet Performance 25534403 Details

    DRCE 3 Compacted Graphite Engine Block

  • 4-bolt SAE 4140 "doweled after assembly" main caps, 22° splayed on center 3 mains.
  • Highest available quality main studs.
  • Oil pan rails spread to 12".
  • Oil and water plugs are AN O-ring style.
  • Tested to 1400-plus horsepower!

  • Specifications:

    Manufacturer's Part Number:
    25534403

    Chevrolet Performance DRCE (Drag Racing Competition Engine) Big Blocks are the foundation of many of the most powerful Pro Stock Drag Racing engines. Developed specifically with 500-cubic-inch Pro Stock engines in mind, the DRCE family of engine blocks is the latest evolution of Pro Stock engine design. In order to build optimum performance, DRCE blocks have bore spacing that allows for the preferred big bore/short stroke crankshaft combination. The camshaft has been raised & the distributor moved. The big bore design unshrouds the heads, which means bigger valves can be used. The result is maximized air/fuel mixtures. DRCE blocks are solid without lifter or head bolt holes so any GM big block cylinder heads may be used, and blocks are gray iron or compacted graphite (an extremely strong material that helps combat bore distortion & crank deflection under stress).

    Specifications
  • CNC-machined to +/- 0.001'' tolerances
  • Siamese cylinder bores with 4.900'' spacing
  • No lifter bosses (solid bar can be drilled as required)
  • No head bolt holes
  • Numbers two and four main bearing bulkheads moved 0.060''
  • Bellhousing bolt pattern accommodates Chevy, Pontiac, and Oldsmobile transmissions
  • Uses big block Chevrolet crank, camshaft, balancer, flywheel, and water pump
  • Requires camshaft with distributor gear behind rear bearing
  • Priority main oiling dry sump system
  • Dual starter mounting locations
  • Front engine mounts only
  • Each block is supplied with sonic test data sheet

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