GM Performance LS3/L92 Aluminum Engine Block

Chevrolet Performance 6.2L LS3/L92 Aluminum Engine Block

Chevrolet Performance 6.2L LS3/L92 aluminum engine blocks are durable foundations for serious performance. Whether you're building a mild street engine or an Outlaw racing engine, starting your build with a strong base brings the assurance you'll make the power you need.

• Block--strong, lightweight aluminum alloy casting with iron sleeves
• Deep-skirt casting--the block's side extends below the crankshaft centerline
• Production oiling system
• Forged powered metal 6-bolt cross-bolted main bearing caps
• 9.240 in. deck height
• Use only LS1, LS6, LS2, L92/LS3-style cylinder heads
• 4.065 in. finished bore (103.25mm)
• Provisions for Active Fuel Management
• Great for stroker cranks for even more cubes
• Tested to over 500 horsepower

Engine - LS3 / L92 - Bare Block - 4.065 in Bore - 9.240 in Deck - Standard Main - 6-Bolt Mains - 1-Piece Seal - Aluminum - GM LS-Series - Sold as Each - Part Number: 12729604

  Oversized    Air Restricted      Truck Freight Only (additional shipping charges apply)