• LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
  • LS Aluminum Block - 4.120 Bore 9.240 D/H
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Racing Head Service (RHS)

LS Aluminum Block - 4.120 Bore 9.240 D/H

LS Aluminum Block - 4.120 Bore 9.240 D/H

Part Number: 54903U
$6,575.95 USD
$6,575.95 USD $6,575.95 USD
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Shipping calculated at checkout.
Engine - Bare Block - 4.125 in Bore - 9.250 Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal - 6-Bolt Head - Aluminum - Natural - GM LS-Series - Each
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