LS Aluminum Block - 4.120 Bore 9.240 D/H
RACING HEAD SERVICE | Part# RHS-54903U
Only 3 available, hurry order now!
Truck Freight Only
Cannot ship by air
$6,575.95
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