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  KB Blocks

The KB500 is a technologically advanced aluminum version of the Big Block Chevrolet engine. The KB500 can be used in a variety of street or racing applications, such as boat racing, Pro Stock or any of the “Pro” bracket racing classes. A 540 cubic inch version of the KB500 was the motivation behind Hot Rod magazine’s Keith Black Camaro project car, which illustrated the true versatility of the KB500. The block will accept all factory and aftermarket parts common to the Chevrolet Generation IV 454 block. The KB500 block package includes: fully machined block with race-ready removable sleeves, main caps, installed cam bearings, special aluminum screw-in core plugs, installed front cover and head dowels, head stud kit (of your choice) and all necessary hardware.

  • Choose from Chevrolet, Brodix, Dart or Pontiac style head bolt patterns

  • Standard deck or +.400 tall deck

  • Bore sizes from 
    4.250 to 4.500

  • Clearanced for 4.250 stroke cranks, but will accommodate up to 4.750 stroke cranks. 
    (with steel rods)

The KB600 Oldsmobile block uses big block Chevrolet internal components, which are available through Keith Black Racing Engines. Cylinder heads and manifolds are available through General Motors. The blocks are cast from the same 356 T-6 virgin aluminum that all KB Blocks share, (except for the Stage 15 fuel block) to ensure only the highest quality material. A multi-pattern bell housing pattern is machined into the rear of the block for use with GM or Chrysler transmissions. The big block Chevrolet or Oldsmobile head bolt pattern can be machined in the block.

  • Standard deck height is 9.800; available up to 10.200

  • Bore sizes from 
    4.250 to 4.500

KB600 can be made to accommodate up to 5 inch stroke crankshaft

  Stage 15 Hemi Fuel Block
  Race Hemi
  Street Hemi
  Chrysler 440 Wedge
  General Motors
  Gear Drives
  KB Oil Pumps