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Chevrolet Performance 24502572

DRCE 2 Engine Block Gray Iron 4-Bolt Block

Chevrolet Performance 24502572

809-24502572

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Estimated ship date 08/24/17 if Ordered Today
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Truck Freight: $119.00
Chevrolet Performance 24502572 DRCE 2 Engine Block Gray Iron 4-Bolt Block $3,886.78
DRCE 2 Engine Block
  • Gray Iron 4-Bolt Block
  • 9.525'' Deck Height
  • Camshaft Raised to 5.750''
  • 4.500'' Semi-Finished Bore (4.700'' max bore)
  • 16° Splayed 4-Bolt Steel Main Center Caps
  • .400'' Spread Oil Pan Rails Per Side

  • Chevrolet Performance 24502572 Details

    DRCE 2 Gray Iron Engine Block

  • CNC-machined iron 4-bolt block
  • 9.525'' deck height, may be machined to 9.000''
  • Camshaft raised to 5.750''
  • Cam tunnel accommodates 55mm 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
  • Deck Height: 9.525'' - 9.000''
  • Fuel Pump Boss: No
  • Cylinder Wall: Siamese
  • Bore Range: 4.500'' - 4.700''
  • Main Bolts #: 4
  • Main Bolt Degree: 16-Degree
  • Main Cap Meterial: Steel
  • Crankshaft Journal Size: 2.750''
  • Oiling System Configuration: Dry
  • Rear Main Seal Type: 2-Piece
  • Maximum Crankshaft Stroke: 4.600''
  • Block Weight: 255 lbs.
  • Maximum Tested Horsepower: 1400 HP

  • Specifications:

    Rear Main Seal Style
    2-piece
    Cam Bearings Included
    No
    Cylinder Bore as Shipped (in.)
    4.49
    Cylinder Bore Diameter (in.)
    4.5
    Deck Height (in.)
    9.5
    Engine Block Material
    Cast iron
    Engine Block Style
    Aftermarket
    Engine Block Weight (lbs.)
    255
    Finished Cylinder Bores
    No
    Freeze Plugs Included
    No
    Main Bearings Included
    No
    Main Bolt Style
    4-bolt
    Main Cap Fasteners Included
    Yes
    Main Cap Material
    Steel
    Main Caps Included
    Yes
    Main Journal Type
    OEM
    Quantity
    Sold individually
    Raised Cam Location
    No
    Manufacturer's Part Number:
    24502572

    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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