RHS-54903U #1

LS Aluminum Block - 4.125 Bore 9.240 D/H

RACING HEAD SERVICE  |  Part# RHS-54903U


Out of Stock (call for availability)

Truck Freight Only

Cannot ship by air


$5,373.99




Engine - Bare Block - 4.120 In Bore - 9.250 Deck - Standard Main - 6-BOLT Mains - 1 Piece Seal - 6-BOLT Head - Aluminum - Natural - GM LS-SERIES - Each