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!
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- Qty in Cart
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- Price
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Dart LS Iron Block - 9.240/ 4.125 w/Steel Main Caps 31837211
DART
$4,499.99LS Iron Block - 9.240/ 4.125 w/Steel Main Caps Engine LS Next Bare Block 4.125 in Bore 9.240 Deck 4-Bolt Mains 1 Piece Seal 0.375 in Extended Cylinders Iron GM LS-Series Each Designed from a clean slate approach the LS Next Iron block has addressed the...DRT31837211- SKU:
- DRT31837211
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
- MFG Part #:
- 31837211
$4,499.99 -
Dart LS SHP Pro Block 4.125 Bore 9.240 DH 31867212
DART
$4,699.99Engine SHP Bare Block 4.125 in Bore 9.240 Deck 4-Bolt 1 Piece Seal Iron GM LS-Series Each Dart Machinery continues the evolution of the LS Next platform by releasing the SHP LS Next PRO block! Designed for high performance applications, the SHP LS NEXT...DRT31867212- SKU:
- DRT31867212
- Availability:
- Ships Same Business Day
- Weight:
- 240.00 LBS
$4,699.99Qty in Cart: 0Quantity:Price:$4,699.99Subtotal: -
Dart LS SHP Iron Block 9.240 Deck/4.125 Bore 31867211
DART
$3,999.99LS SHP Iron Block 9.240 Deck/4.125 BoreEngineSHP LS NextBare Block4.125 in Bore9.240 Deck4-Bolt MainsIronGM LS-SeriesEachDRT31867211- SKU:
- DRT31867211
- Availability:
- Ships Same Business Day
- Weight:
- 212.00 LBS
- MFG Part #:
- 31867211
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart LS SHP Iron Block 9.240 Deck/4.000 Bore 31867111
DART
$3,999.99LS SHP Iron Block 9.240 Deck/4.000 BoreEngineSHP LS NextBare Block4 in Bore9.240 Deck4-Bolt MainsIronGM LS-SeriesEachDRT31867111- SKU:
- DRT31867111
- Availability:
- Ships Same Business Day
- Weight:
- 185.00 LBS
- MFG Part #:
- 31867111
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart LS Iron Block - 9.240/ 4.000 w/Steel Main Caps 31837111
DART
$4,499.99LS Iron Block - 9.240/ 4.000 w/Steel Main Caps Engine LS Next Bare Block 4 in Bore 9.240 Deck 4-Bolt Mains 1 Piece Seal 0.375 in Extended Cylinder Barrels Iron GM LS-Series Each Designed from a clean slate approach the LS Next Iron block has addressed...DRT31837111- SKU:
- DRT31837111
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
- MFG Part #:
- 31837111
$4,499.99Qty in Cart: 0Quantity:Price:$4,499.99Subtotal: