GM Performance 25534427 - GM Performance Parts LS Series Engine Blocks

GM Performance #809-25534427

LS7 Bare Block with Solid Main Bulkheads
$4,646.99 Ships 02/24/12
$119.00
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GM Performance 25534427 - GM Performance Parts LS Series Engine Blocks

GM Performance 25534427 - GM Performance Parts LS Series Engine Blocks Details

  • 319-T5 aluminum block with pressed-in iron sleeves
  • Production oiling system
  • 6-bolt 'dowel located' steel main bearing caps
  • 9.240" deck height
  • For use with any LS series head
  • 4.125" finished bore (104.78mm), deck plate honed
  • Siamese cylinder bores for large bore size
  • No provision for 'Active Fuel Management'
  • Fully machined with caps and pressed in liners
  • Limited availability
  • Perfect for racing dry-sump applications
  • Made to LS7 production standards for machining and cleanliness
  • Based on C5R block development
  • Tested to over 500hp!

  • GM Performance 25534427 - GM Performance Parts LS Series Engine Blocks

    GM took a chance with the LS engine. They stayed true to the pushrod small-block and continued to develop this technology to the point that building a daily-driven, 500-plus HP car is no big deal. The GM Performance Parts LS Series cylinder blocks are designed specifically for late model small-block engines that run the LS Family cylinder heads. These include the LS1, LS2, LS4, LS6, LS7, LQ4, LQ9, and L76.

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