Engines, Bare Blocks
Circle Track Engines Bare Blocks at JJ Motorsports
Bare engine blocks are the perfect starting point for building a custom power unit tailored to your car’s needs. Designed with durability and precision, these blocks support high-power outputs for late models, modifieds, and street stocks. Combine them with additional engine-building essentials to construct a race-ready engine with confidence.
Shop trusted brands like Chevrolet Performance for LSX cast iron blocks and Dart for SHP iron options. Explore related categories such as Circle Track Engines Blocks and Components for additional parts or Circle Track Engines and Components for complete upgrades.
Top Circle Track Engines Bare Blocks
- Chevrolet Performance Chevy Performance LSX Cast Iron Block - 4.185 Bore Finished 19417353 – LSX Bare Block, 4.185 in Bore, 9.240 Deck, 6-Bolt Main, 1-Piece Seal, 6-Bolt Head, Iron, Orange, GM LS-Series, Each. Engine for high-power outputs in late models, modifieds, and street stocks.
- Chevrolet Performance Chevy Performance LSX Cast Iron Block - Semi Finish 9.260 DH 19417351 – LSX Bowtie Bare Block, 3.880 in Bore, 9.260 Deck, Iron, Orange Powder Coat, GM LS-Series, Each. Designed for maximum value and high performance in GM LS-Series engines.
- Dart SBF SHP Iron Block 4.000 Bore 9.500 DH 31375135 – SHP Bare Block, 4 in Bore, 9.500 Deck, 1-Piece Seal, Iron, Small Block Ford, Each. Built for durability and precision in circle track applications.
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 SBC Little M Iron Block 9.025 4.000/350 31181111
DART
$3,999.99Designed for optimal performance in small block Chevy applications Features a robust Little M design for enhanced durability Bare block configuration allows for custom builds Generous 4.000 in bore for increased airflow and power 9.025 deck height for...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
$2,299.99EngineSHPBare Block4 in Bore9.025 Deck350 Main4-Bolt / 2-Bolt Main1 Piece SealIronSmall Block ChevyEachDRT31161111L- 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
$3,999.99LS 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: -
Dart SBC SHP Iron Block 9.025 4.125/400 31162211
DART
$2,299.99SBC SHP Iron Block 9.025 4.125/400 Engine SHP Bare Block 4.125 in Bore 9.025 Deck 400 Main 4-Bolt Mains 2 Piece Seal Iron Small Block Chevy Each Unleash the full potential of your high-performance racing setup with the Dart SBC SHP Iron Block. Built...DRT31162211- SKU:
- DRT31162211
- Availability:
- Ships Same Business Day
- Weight:
- 178.00 LBS
- MFG Part #:
- 31162211
$2,299.99Qty in Cart: 0Quantity:Price:$2,299.99Subtotal: -
Dart SBC Pro SHP Iron Block - 9.025 4.125/350 31161212
DART
$3,799.99SBC Pro SHP Iron Block - 9.025 4.125/350EngineSHP ProBare Block4.125 in Bore9.025 Deck350 Main4-Bolt Mains2 Piece SealBBC Camshaft BoreIronSmall Block ChevyEachDRT31161212- SKU:
- DRT31161212
- Availability:
- Ships Same Business Day
- Weight:
- 182.00 LBS
- MFG Part #:
- 31161212
$3,799.99Qty in Cart: 0Quantity:Price:$3,799.99Subtotal: -
Dart SBC SHP Iron Block - 9.025 4.125/350 31161211
DART
$2,299.99SBC SHP Iron Block - 9.025 4.125/350EngineSHPBare Block4.125 in Bore9.025 Deck350 Main4-Bolt / 2-Bolt Main2 Piece SealIronSmall Block ChevyEachDRT31161211- SKU:
- DRT31161211
- Availability:
- Ships Same Business Day
- Weight:
- 176.00 LBS
- MFG Part #:
- 31161211
$2,299.99Qty in Cart: 0Quantity:Price:$2,299.99Subtotal: -
Dart SBC Pro SHP Iron Block - 9.025 4.000/350 31161112
DART
$3,799.99SBC Pro SHP Iron Block - 9.025 4.000/350EngineSHP ProBare Block4 in Bore9.025 Deck350 Main4-Bolt Mains2 Piece SealBBC Camshaft BoreIronSmall Block ChevyEachDRT31161112- SKU:
- DRT31161112
- Availability:
- Ships Same Business Day
- Weight:
- 192.00 LBS
- MFG Part #:
- 31161112
$3,799.99Qty in Cart: 0Quantity:Price:$3,799.99Subtotal: -
Dart SBC SHP Iron Block - 9.025 4.000/350 31161111
DART
$2,299.99SBC SHP Iron Block - 9.025 4.000/350EngineSHPBare Block4 in Bore9.025 Deck350 Main4-Bolt / 2-Bolt Main2 Piece SealIronSmall Block ChevyEachDRT31161111- SKU:
- DRT31161111
- Availability:
- Ships Same Business Day
- Weight:
- 186.00 LBS
- MFG Part #:
- 31161111
$2,299.99Qty in Cart: 0Quantity:Price:$2,299.99Subtotal:
