Engines, Blocks and Components
Circle Track Engines Blocks & Components at JJ Motorsports
Build or upgrade your circle track engine using durable blocks and precision components like deck plug kits and cylinder sleeves from JJ Motorsports. Designed for racing environments, these products are essential for a solid foundation, ensuring optimal performance and reliability in demanding IMCA, USMTS, and dirt oval conditions for late models, modifieds, and street stocks.
Shop trusted brands like Chevrolet Performance for LSX blocks, Dart for high-performance options, and Eagle for forged internals. Explore related categories such as Circle Track Engines, Complete for full assemblies or Circle Track Engines, Bare Blocks for foundational upgrades.
Top Circle Track Engines Blocks & Components
- Engine Dowel Pins GM SBC X Long Bell housing pins Motor plate Chevy Transmission – GM X-long Engine Dowel Pins 2" Long .620" OD. A must for any application running a mid-mount plate to ensure proper alignment of engine and transmission. Pair - 2 per package.
- Dressed 88869604 CT400 IMCA-Sealed 604 Chevy Crate Engine, Dynoed – Dressed version includes distributor, distributor clamp, spark plug wires, and fuel pump block off plate in addition to the GM supplied crate engine. IMCA sealed and approved for use in IMCA. Dyno-verified horsepower and torque and will include a...
- Chevrolet Performance Chevy Performance LSX Cast Iron Block - 4.185 Bore Finished 19417353 – Engine 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. The LSX Bowtie Engine Block showcases three major...
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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Engine Dowel Pins GM SBC X Long Bell housing pins Motor plate Chevy Transmission
J J MOTORSPORTS
$8.95Engine Dowel Pins GM SBC X Long 2" Bell housing pins Motor plate Chevy TransmissionGM X-long Engine Dowel Pins2" Long.620" ODA must for any application running a mid-mount plate to ensure proper alignment of engine and transmission.Pair - 2 per packageD08E9A45- SKU:
- D08E9A45
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$8.95 -
Dressed 88869604 CT400 IMCA-Sealed 604 Chevy Crate Engine, Dynoed
SPEEDWAY MOTORS
Dressed version includes distributor, distributor clamp, spark plug wires, and fuel pump block off plate in addition to the GM supplied crate engine IMCA sealed and approved for use in IMCA Dyno-verified horsepower and torque and will include a...1218604- SKU:
- 1218604
- Weight:
- 0.10 LBS
Qty in Cart: 0Quantity:Price:Subtotal: -
Chevrolet Performance Chevy Performance LSX Cast Iron Block - 4.185 Bore Finished 19417353
CHEVROLET PERFORMANCE
$5,573.06Engine 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 Chevrolet Performance 19260099 - LSX Finished and Honed 4.185” Bowtie Bare Block The LSX Bowtie Engine Block showcases three major...GMP19417353- SKU:
- GMP19417353
- Availability:
- Ships Same Business Day
- Weight:
- 268.00 LBS
$5,573.06 -
Chevrolet Performance Chevy Performance LSX Cast Iron Block - Semi Finish 9.260 DH 19417351
CHEVROLET PERFORMANCE
MSRP: $5,038.95$5,038.94Engine LSX Bowtie Bare Block 3.880 in Bore 9.260 Deck Iron Orange Powder Coat GM LS-Series Each The next generation of high performance GM blocks has been released! It's the amazing LSX bowtie block, designed from the ground up to deliver maximum value...GMP19417351- SKU:
- GMP19417351
- Availability:
- Ships Same Business Day
- Weight:
- 250.00 LBS
MSRP: $5,038.95$5,038.94 -
Eagle SBC Balanced Rotating Assembly - 383 .030 KITB15454E030
EAGLE
$1,289.99Rotating Assembly383 CIDCast CrankHypereutectic Pistons3.750 in Stroke5.700 in I-Beam RodsSmall Block ChevyKitEAGB15454E030- SKU:
- EAGB15454E030
- Availability:
- Ships Same Business Day
- Weight:
- 95.00 LBS
$1,289.99 -
Eagle SBC Street Perf Engine Assembly Balanced KITB15405E060
EAGLE
$1,437.99Rotating Assembly388 CIDCast CrankHypereutectic Pistons3.750 in Stroke5.700 in I Beam RodsSmall Block ChevyKitEAGB15405E060- SKU:
- EAGB15405E060
- Availability:
- Ships Same Business Day
- Weight:
- 95.00 LBS
$1,437.99 -
Eagle SBC Balanced Rotating Assembly Kit KITB15402E040
EAGLE
$1,204.99Rotating AssemblyStreet / Strip357 CIDCast CrankHypereutectic Pistons4.040 in Bore5.700 in I Beam RodsSmall Block ChevyKitEAGB15402E040- SKU:
- EAGB15402E040
- Availability:
- Ships Same Business Day
- Weight:
- 88.00 LBS
$1,204.99 -
Dart SBF SHP Iron Block 4.000 Bore 9.500 DH 31375135
DART
$2,699.99EngineSHPBare Block4 in Bore9.500 Deck1-Piece SealIronSmall Block FordEachDRT31375135- SKU:
- DRT31375135
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
$2,699.99Qty in Cart: 0Quantity:Price:$2,699.99Subtotal: -
SBC 400 Crate Engine - Base Version w/Alm Heads BPEBP4002CT1
BLUEPRINT ENGINES
$7,599.00Crate Engine Base Engine 400 Cubic Inch 508 HP Aluminum Head Each This product is excluded from any discounts.BPEBP4002CT1- SKU:
- BPEBP4002CT1
- Availability:
- Ships Same Business Day
- Weight:
- 419.00 LBS
$7,599.00 -
SBC 383 Crate Engine Fulley Dressed BP38318CTC1D
BLUEPRINT ENGINES
$7,299.00Crate Engine Fully Dressed 383 Cubic Inch 436 HP Small Block Chevy This product is excluded from any discounts.BPEBP38318CTC1D- SKU:
- BPEBP38318CTC1D
- Availability:
- Ships Same Business Day
- Weight:
- 475.00 LBS
$7,299.00 -
SBC 383 Crate Engine - Base Dressed w/Alm Heads BP38318CTC1
BLUEPRINT ENGINES
$6,799.00Crate Engine Base Dressed Engine 383 Cubic Inch 436 HP Small Block Chevy This product is excluded from any discounts.BPEBP38318CTC1- SKU:
- BPEBP38318CTC1
- Availability:
- Ships Same Business Day
- Weight:
- 460.00 LBS
$6,799.00 -
BluePrint SBC Crate Engine - 383 Base w/Aluminum Heads BP38318CT1
BLUEPRINT ENGINES
$6,199.00Crate Engine Base Engine 377 Cubic Inch 436 HP Small Block Chevy HP & Torque: 436 HP / 443 FT LBS Compression Ratio: 10.0:1 Aluminum Heads Hydraulic Roller Cam Cast Steel Crank Hypereutectic Pistons BLOCK: NEW BluePrint Cast Iron...BPEBP38318CT1- SKU:
- BPEBP38318CT1
- Availability:
- Ships Same Business Day
- Weight:
- 478.00 LBS
$6,199.00 -
Chevrolet Performance Chevrolet Performance 88869604 CT400 IMCA-Sealed 604 Crate Engine
CHEVROLET PERFORMANCE
F1.5:1 ratio aluminum roller rocker arms Specially built with high-revving matched components Sealed with IMCA-issued bolts and is approved for use in IMCA Produces an astonishing 400 HP @ 5500 RPM and 400 ft. lbs. of torque @ 4500 RPM Cam lift measures...91019318604- SKU:
- 91019318604
- Weight:
- 0.10 LBS
Qty in Cart: 0Quantity:Price:Subtotal: -
Chevy LS Freeze Plug Kit Brass PE-496-B
PIONEER
$22.49Freeze PlugComplete EngineBrassNaturalGM LS-SeriesKitPIOPE-496-B- SKU:
- PIOPE-496-B
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$22.49 -
Chevy LS Freeze Plug Kit PE-496
PIONEER
$20.99Freeze PlugComplete EngineSteelZinc OxideGM LS-SeriesKitPIOPE-496- SKU:
- PIOPE-496
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
$20.99 -
Expansion Plug Kit GM LS Series Engines MPE-900BR-GP
MELLING
$18.49Expansion Plug Kit GM LS Series EnginesMELMPE-900BR-GP- SKU:
- MELMPE-900BR-GP
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
$18.49 -
Eagle SBF Rotating Assembly Kit 289/302 16003040
EAGLE
$1,529.99Rotating Assembly349 CIDCast CrankForged Pistons3.400 in Stroke4.040 in Bore5.400 in I Beam RodsSmall Block FordKitEAG16003040- SKU:
- EAG16003040
- Availability:
- Ships Same Business Day
- Weight:
- 85.00 LBS
$1,529.99 -
Eagle SBC Rotating Assembly Kit - Street & Strip 13202040
EAGLE
$1,218.99Rotating Assembly350 CIDCast CrankHypereutectic Pistons3.480 in Stroke4.040 in Bore5.700 in I Beam RodsSmall Block ChevyKitEAG13202040- SKU:
- EAG13202040
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,218.99Qty in Cart: 0Quantity:Price:$1,218.99Subtotal: -
Eagle SBC Rotating Assembly Kit - Street & Strip 13202030
EAGLE
$1,218.99Rotating Assembly350 CIDCast CrankHypereutectic Pistons3.480 in Stroke4.030 in Bore5.700 in I Beam RodsSmall Block ChevyKitEAG13202030- SKU:
- EAG13202030
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,218.99Qty in Cart: 0Quantity:Price:$1,218.99Subtotal: -
Eagle SBC Rotating Assembly Kit Street/Strip 13056030
EAGLE
$1,599.99Rotating AssemblyStreet / Strip383 CIDCast CrankForged Pistons3.750 in Stroke4.030 in Bore5.700 in I Beam RodsSmall Block ChevyKitEAG13056030- SKU:
- EAG13056030
- Availability:
- Ships Same Business Day
- Weight:
- 55.00 LBS
$1,599.99
