GM Performance 24502650 - GM Performance Parts SB-Chevy Bowtie Race Block

GM Performance 24502650 - GM Performance Parts SB-Chevy Bowtie Race Block

GM Performance #809-24502650

283 Main, 350 Bore Size Short-Deck Bowtie Race Block
  • CNC Cast iron competition block designed for drag racing, road racing or restricted oval track racing!
  • 4-bolt SAE 8620 steel mains, 20 degree splayed caps on center 3 mains
  • $4,356.99 Ships 02/23/12
    $119.00
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    GM Performance 24502650 - GM Performance Parts SB-Chevy Bowtie Race Block

    GM Performance 24502650 - GM Performance Parts SB-Chevy Bowtie Race Block Details

  • 8.325" deck (as of 10/03)(standard deck blocks are 9.025"), can be machined to 8.200" deck height
  • Camshaft is raised 0.433" to 4.955"
  • Cam bearings bores machined for 2.250" O.D. x 1.875 roller bearings
  • 3.980" rough bore
  • 4.190" max bore (minimum of .250" cylinder bore wall thickness)(siamese bore)
  • Integral oil restrictors
  • Must use big Block water pump, must raise water pump with adapters for balancers larger than 6"
  • Olds Aurora V8 bell housing bolt pattern (12.25" max flywheel diameter)
  • Lifter holes and cylinder head bolt holes are not drilled
  • Will accept standard, SB2.2 and splayed valve lifter patterns
  • Can be machined to accept any small-block Chevy cylinder head
  • Machined as 4.400" bore and main center, can be machined to 4.500" bore centers
  • Shorter than production pushrods required
  • Tested to over 800 horsepower!

  • GM Performance 24502650 - GM Performance Parts SB-Chevy Bowtie Race Block

    GM Performance Parts Bowtie race engine blocks take the guess out of what you need to make big horsepower. They are competition tested in NASCAR, BUSCH, and NHRA Compitition Eliminator! GM Performance Parts offer you a huge selection of Bowtie race blocks that have been precision, CNC-machined with tighter tolerances than their standard Bowtie blocks before you even get them. These engine blocks feature full race-prep machining, 4-bolt splayed main caps, and the very highest grade of materials throughout. When your competition has spilled their guts all over the racetrack, you'll still be in the show thanks to your GM Performance Parts Bowtie race block!

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