Dart LS Engine Blocks

Circle Track Dart LS Engine Blocks at JJ Motorsports

Build a high-performance GM LS-Series engine with Dart LS engine blocks from JJ Motorsports. Part of the LS Next platform, these cast iron bare blocks feature reinforced construction, 4-bolt mains, 1-piece seals, and options for bore sizes and deck heights, providing superior durability, precision oiling, and power potential for demanding IMCA, USMTS, and dirt oval racing in late models, modifieds, and street stocks.

Shop trusted brands like Dart for LS Next and SHP series blocks. Explore related categories such as Circle Track Engines Bare Blocks for foundational upgrades or Circle Track Engines and Components for complete engine parts.

Top Circle Track Dart LS Engine Blocks

• Dart LS Iron Block - 9.240/ 4.125 w/Steel Main Caps 31837211 – LS Next Bare Block with 4.125 in bore, 9.240 deck, 4-bolt mains, 1-piece seal, 0.375 in extended cylinders, iron, GM LS-Series.
• Dart LS SHP Pro Block 4.125 Bore 9.240 DH 31867212 – SHP LS Next Bare Block for high-performance, 4.125 in bore, 9.240 deck, 4-bolt, 1-piece seal, iron, GM LS-Series.
• Dart LS SHP Iron Block 9.240 Deck/4.125 Bore 31867211 – SHP LS Next Bare Block with 4.125 in bore, 9.240 deck, 4-bolt mains, iron, GM LS-Series.

Browse our in-stock inventory below with same-day shipping and expert support. Free shipping on orders over $99! Questions? Contact us for fitment advice!