Dart Racing Engine Blocks
Circle Track Dart Racing Engine Blocks at JJ Motorsports
Build a robust foundation for your circle track engine with high-performance Dart racing engine blocks from JJ Motorsports. Engineered for maximum strength and precision, these cast iron blocks feature reinforced webs, priority main oiling, and multiple bore/deck options for Small Block Chevy and Ford applications, delivering superior durability and power in demanding IMCA, USMTS, late models, modifieds, and street stocks on dirt ovals.
Shop trusted brands like Dart for SHP and Little M 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 Racing Engine Blocks
- Dart SBF SHP Iron Block 4.000 Bore 9.500 DH 31375135 – Engine SHP Bare Block 4 in Bore 9.500 Deck 1-Piece Seal Iron Small Block Ford Each.
- Dart SBC Little M Iron Block 9.025 4.125/400 31192211 – Build a better Bowtie on a budget with Dart's Little M small block Chevy cast iron bare blocks--they offer more than just standard small...
- Dart SBC Little M Iron Block 9.025 4.125/350 31191211 – Build a better Bowtie on a budget with Dart's Little M small block Chevy cast iron bare blocks--they offer more than just standard small...
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!
- Product
- Qty in Cart
- Quantity
- Price
- Subtotal
-
Dart SBF SHP Iron Block 4.000 Bore 9.500 DH 31375135
DART
$2,699.99The Dart SBF SHP Iron Block is engineered for serious Small Block Ford builders who demand a proven foundation for high-output street and race engines. This bare block delivers the strength and precision machining required to support aggressive boost...DRT31375135- SKU:
- DRT31375135
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
$2,699.99Qty in Cart: 0Quantity:Price:$2,699.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.125/400 31192211
DART
$3,799.99If you're building a small block Chevy engine that needs to handle real power without breaking the bank, the Dart Little M iron block is engineered for reliability at the track or street. Its reinforced construction—extra-thick decks, Siamese cylinder...DRT31192211- SKU:
- DRT31192211
- Availability:
- Ships Same Business Day
- Weight:
- 203.00 LBS
$3,799.99Qty in Cart: 0Quantity:Price:$3,799.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.125/350 31191211
DART
$3,799.99Whether you're building a budget-friendly street engine or a competition-ready small block, the Dart Little M delivers the structural integrity and modern features you need without the premium price tag. Cast from premium Class 32B iron with extra-thick...DRT31191211- SKU:
- DRT31191211
- Availability:
- Ships Same Business Day
- Weight:
- 180.00 LBS
$3,799.99Qty in Cart: 0Quantity:Price:$3,799.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.000/350 31191111
DART
$3,799.99If you're building a street or race engine on a realistic budget, the Dart Little M iron block delivers the reliability and performance of a purpose-built platform without the premium price tag. This cast iron foundation uses standard small block Chevy...DRT31191111- SKU:
- DRT31191111
- Availability:
- Ships Same Business Day
- Weight:
- 182.00 LBS
$3,799.99Qty in Cart: 0Quantity:Price:$3,799.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.125/400 31182211
DART
$3,999.99The Dart SBC Little M Iron Block is engineered for builders who demand proven reliability without compromise. With a 4.125" bore and 9.025" deck height, this block provides the foundation for aggressive small-block Chevy builds that require structural...DRT31182211- SKU:
- DRT31182211
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.000/350 31181111LT
DART
$6,934.99If you're building a serious Small Block Chevy engine from the ground up, you need a foundation that won't compromise your power goals. The Dart SBC Little M Iron Block delivers the strength, precision, and flexibility required for high-horsepower...DRT31181111LT- SKU:
- DRT31181111LT
- Availability:
- Ships Same Business Day
- Weight:
- 230.00 LBS
$6,934.99 -
Dart LS Iron Block - 9.240/ 4.125 w/Steel Main Caps 31837211
DART
$4,499.99The LS platform dominates performance builds, but factory design compromises—particularly windage loss and oil control in separated crankcase bays—leave power on the table. Dart's LS Next Iron block solves these fundamental issues with a clean-sheet...DRT31837211- SKU:
- DRT31837211
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
- MFG Part #:
- 31837211
$4,499.99Qty in Cart: 0Quantity:Price:$4,499.99Subtotal: -
Dart SBC Pro SHP Iron Block 9.025 4.125/400 31162212
DART
$3,799.99The Dart SBC Pro SHP Iron Block delivers the precision engineering and durability demanded by serious engine builders and high-performance racers. Built with a robust 400 main bearing platform and a proven iron construction, this block handles aggressive...DRT31162212- SKU:
- DRT31162212
- Availability:
- Ships Same Business Day
- Weight:
- 186.00 LBS
- MFG Part #:
- 31162212
$3,799.99Qty in Cart: 0Quantity:Price:$3,799.99Subtotal: -
Dart SBF SHP Iron Block 4.125 Bore 9.500 DH 31375235
DART
$2,699.99The Dart SBF SHP Iron Block gives you a solid foundation for building high-displacement Small Block Ford engines without compromise. With a 4.125" bore and 9.500" deck height, this bare block accepts oversized pistons and supports aggressive power builds...DRT31375235- SKU:
- DRT31375235
- Availability:
- Ships Same Business Day
- Weight:
- 204.20 LBS
$2,699.99Qty in Cart: 0Quantity:Price:$2,699.99Subtotal: -
Dart SBF SHP Iron Block 4.125 Bore 8.200 DH 31374275
DART
$2,699.99The Dart SBF SHP Iron Block is engineered for serious small-block Ford builders who demand a proven foundation for high-horsepower applications. With a 4.125" bore and 8.200" deck height, this block provides the displacement and structural integrity...DRT31374275- SKU:
- DRT31374275
- Availability:
- Ships Same Business Day
- Weight:
- 150.00 LBS
$2,699.99Qty in Cart: 0Quantity:Price:$2,699.99Subtotal: -
Dart SBF SHP Iron Block 4.000 Bore 8.200 DH 31374175
DART
$2,699.99The Dart SBF SHP Iron Block delivers the durability and precision machining required for serious Small Block Ford builds, whether you're targeting naturally aspirated peak performance or forced induction power. Built from high-quality iron with a 4.000"...DRT31374175- SKU:
- DRT31374175
- Availability:
- Ships Same Business Day
- Weight:
- 250.00 LBS
$2,699.99Qty in Cart: 0Quantity:Price:$2,699.99Subtotal: -
Dart SBC Little M Block 4.125 Bore 9.325 DH .391 RC 31182225
DART
$3,999.99The Dart SBC Little M Block is engineered for builders who demand a proven foundation for high-RPM small block applications. With a 4.125" bore and raised cam location, this block delivers the displacement and tuning flexibility serious racers need to...DRT31182225- SKU:
- DRT31182225
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart SBC Iron Little M Block 4.125 Bore 9.025 DH 31181215
DART
$3,999.99The Dart SBC Iron Little M Block gives you a proven foundation for building serious small-block power. With a 4.125-inch bore and raised cam location, this bare block accommodates oversized pistons and modern cam profiles without compromise. Whether...DRT31181215- SKU:
- DRT31181215
- Availability:
- Ships Same Business Day
- Weight:
- 210.00 LBS
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart LS SHP Pro Block 4.125 Bore 9.240 DH 31867212
DART
$4,699.99If you're building a serious LS platform engine for drag racing, circle track competition, or high-performance marine duty, you need a block engineered to handle extreme cylinder pressures and sustained power. The Dart SHP LS Next PRO delivers the...DRT31867212- SKU:
- DRT31867212
- Availability:
- Ships Same Business Day
- Weight:
- 240.00 LBS
$4,699.99Qty in Cart: 0Quantity:Price:$4,699.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.125/350 31181211
DART
$3,999.99Building a reliable small block Chevy platform demands a foundation engineered for precision and durability. The Dart SBC Little M Iron Block delivers a solid, proven casting that handles both street and strip applications without compromise. Whether...DRT31181211- SKU:
- DRT31181211
- Availability:
- Ships Same Business Day
- Weight:
- 255.00 LBS
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart SBC Little M Iron Block 9.025 4.000/350 31181111
DART
$3,999.99The Dart SBC Little M Iron Block gives you a solid foundation for serious small block Chevy builds without the premium price tag of aluminum alternatives. Its 4.000-inch bore and 9.025-inch deck height provide the flexibility to dial in exactly the...DRT31181111- SKU:
- DRT31181111
- Availability:
- Ships Same Business Day
- Weight:
- 180.00 LBS
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart SBC SHP Iron Block - 9.025 4.000/350 31161111L
DART
$2,299.99The Dart SBC SHP Iron Block delivers the foundation your Small Block Chevy build demands—a purpose-built platform engineered for high-performance applications where reliability and precision matter. Whether you're assembling a street engine or racing...DRT31161111L- SKU:
- DRT31161111L
- Availability:
- Ships Same Business Day
- Weight:
- 215.00 LBS
$2,299.99Qty in Cart: 0Quantity:Price:$2,299.99Subtotal: -
Dart LS SHP Iron Block 9.240 Deck/4.125 Bore 31867211
DART
$3,999.99Building a high-displacement LS engine demands a foundation that won't compromise under extreme power levels. The Dart LS SHP Iron Block delivers the structural integrity and precision bore sizing needed for forced induction, nitrous, or naturally...DRT31867211- 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
$3,999.99The Dart LS SHP Iron Block is purpose-built for serious LS engine builders who demand reliability without compromise. Its ductile iron construction provides superior strength for high-boost applications and aggressive cylinder pressures, while the 4.000"...DRT31867111- 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
$4,499.99The LS platform dominates performance builds, but factory design compromises—poor windage control, inadequate oiling, and separated crankcase bays—leave serious power on the table. The Dart LS Next Iron Block solves these fundamental issues with a...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:
