Engines and Components
Circle Track Engine Parts: Camshafts, Blocks & Accessories for Late Models at JJ Motorsports
Power up your circle track engine with premium components from JJ Motorsports. Our selection includes serpentine drive kits, pulley systems, valve covers, engine blocks, camshafts, and more for maximum horsepower, durability, and performance in late models, modifieds, street stocks, and IMCA dirt racing. Compatible with Small Block Chevy (SBC), LS-series, and other racing engines, these high-quality parts ensure reliable operation under intense track conditions.
Shop trusted brands like Jones Racing, Allstar Performance, Chevrolet Performance, and Howards Racing Components. Explore related categories such as circle track drivetrain for transmission upgrades or circle track chassis components for frame enhancements.
Top Circle Track Engine Products
- Jones Racing Serpentine Drive Kit 1020-S – New serpentine drive kit designed for efficient accessory drive in racing engines, weighing 3.61 lbs for lightweight performance.
- Allstar Performance 1:1 Pulley Kit Head Mount PS ALL31082 – Billet aluminum polished pulley kit with 1:1 ratio and 2-groove V-belt, includes crank and water pump pulleys and belts for Small Block Chevy engines with head-mount power steering.
- Allstar Performance Valve Covers SBC Steel Black w/Tubes ALL26147 – Durable steel valve covers in black finish with tubes, designed for Small Block Chevy engines, weighing 5.95 lbs for reliable sealing and style.
- Chevrolet Performance LSX Cast Iron Block - 4.065 Bore Finished 19417352 – Bare cast iron engine block with 4.065 in bore, 9.240 deck height, 6-bolt mains and heads, orange powdercoat finish, compatible with Gen III/IV LS components, supporting up to 4.250 in stroke and 454 cu. in. displacement.
- SBC Solid Roller Cam 111013-10 – High-performance solid roller camshaft from Howards Racing Components for Small Block Chevy engines, weighing 8.70 lbs, ideal for aggressive racing 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
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Eagle SBC Forged 4340 I-Beam Rods 6.250 w/7/16 Bolts FSI6250B
EAGLE
$499.99SBC Forged 4340 I-Beam Rods 6.250 w/7/16 Bolts FSI6250BConnecting RodI-Beam6.250 in LongBushed7/16 in Cap ScrewsSteelSmall Block ChevySet of 8EAGFSI6250B- SKU:
- EAGFSI6250B
- Availability:
- Ships Same Business Day
- Weight:
- 11.85 LBS
$499.99Qty in Cart: 0Quantity:Price:$499.99Subtotal: -
Eagle SBC Forged 4340 I-Beam Rods 6.000 w/7/16 Bolts FSI6000B2000
EAGLE
$519.99SBC Forged 4340 I-Beam Rods 6.000 w/7/16 Bolts FSI6000B2000Connecting RodI Beam6.000 in LongBushed7/16 in Cap ScrewsForged SteelSmall Block ChevySet of 8EAGFSI6000B2000- SKU:
- EAGFSI6000B2000
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
$519.99 -
Eagle SBF FSI I-Beam Conn. Rod Set 5.400 Length FSI5400FB
EAGLE
$434.99SBF FSI I-Beam Conn. Rod Set 5.400 Length FSI5400FBConnecting RodI-Beam5.400 in LongPress Fit7/16 in Cap ScrewSmall Block FordSet of 8EAGFSI5400FB- SKU:
- EAGFSI5400FB
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$434.99 -
Eagle SBC Balanced Rotating Assembly - 383 .030 KITB15454E030
EAGLE
$1,289.99SBC Balanced Rotating Assembly - 383 .030 KITB15454E030Rotating 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
$1,437.99SBC Street Perf Engine Assembly Balanced KITB15405E060Rotating 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
$1,204.99SBC Balanced Rotating Assembly Kit KITB15402E040Rotating 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 -
Eagle SBC 4340 Forged Crank. 3.750 Stroke 350 Mains CRS4350375057BN
EAGLE
$884.99SBC 4340 Forged Crank. 3.750 Stroke 350 Mains CRS4350375057BNCrankshaft3.750 in StrokeInternal BalanceForged Steel2-Piece SealSmall Block ChevyEachEAG4350375057BN- SKU:
- EAG4350375057BN
- Availability:
- Ships Same Business Day
- Weight:
- 58.00 LBS
$884.99 -
Eagle SBF 208/302 Rotating Assembly KIT14006030
EAGLE
$2,549.99SBF 208/302 Rotating Assembly KIT14006030Rotating Assembly331 CIDForged CrankForged Pistons3.250 in Stroke5.400 in H Beam RodsSmall Block FordKitEAG14006030- SKU:
- EAG14006030
- Availability:
- Ships Same Business Day
- Weight:
- 85.00 LBS
$2,549.99 -
SBC 6.000 Forged Rods - 665 Grams 6000NHSBCLJ7200AD
DYERS RODS
$2,211.99SBC 6.000 Forged Rods - 665 Grams 6000NHSBCLJ7200ADConnecting RodH Beam6.000 in LongBushed7/16 in Cap ScrewsSmall Block ChevySet of 8DYR6000NHSBCLJ7200AD- SKU:
- DYR6000NHSBCLJ7200AD
- Availability:
- Ships Same Business Day
- Weight:
- 12.58 LBS
$2,211.99 -
Dura Bond Cam Bearing Set - Ford 2.3L 4-Cylinder 75-97 F-34B
DURA-BOND
$29.99Cam Bearing Set - Ford 2.3L 4-Cylinder 75-97 F-34BCamshaft BearingStandard JournalGroovedFord 2300KitDURF-34B- SKU:
- DURF-34B
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
$29.99 -
Dura Bond Coated Cam Bearing Set Ford 351W R302 Block 351RHPT
DURA-BOND
$156.99Coated Cam Bearing Set Ford 351W R302 Block 351RHPTCamshaft BearingHP SeriesStandard JournalCoatedSmall Block FordDUR351RHPT- SKU:
- DUR351RHPT
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$156.99Qty in Cart: 0Quantity:Price:$156.99Subtotal: -
Dart Valve Seat - Intake - 2.160 x 1.810 x .350 VS2160
DART
$11.25Valve Seat - Intake - 2.160 x 1.810 x .350 VS2160Valve SeatIntake2.160 in OD1.810 in ID0.350 in DeepEachDRTVS2160- SKU:
- DRTVS2160
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$11.25 -
Dart SBF SHP Iron Block 4.125 Bore 9.500 DH 31375235
DART
$2,699.99SBF SHP Iron Block 4.125 Bore 9.500 DH 31375235EngineSHPBare Block4.125 in Bore9.500 Deck1-Piece SealIronSmall Block FordEachDRT31375235- 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 4.000 Bore 9.500 DH 31375135
DART
$2,699.99SBF SHP Iron Block 4.000 Bore 9.500 DH 31375135EngineSHPBare Block4 in Bore9.500 Deck1-Piece SealIronSmall Block FordEachDRT31375135- SKU:
- DRT31375135
- Availability:
- Ships Same Business Day
- Weight:
- 238.00 LBS
$2,699.99 -
Dart SBF SHP Iron Block 4.125 Bore 8.200 DH 31374275
DART
$2,699.99SBF SHP Iron Block 4.125 Bore 8.200 DH 31374275EngineSHPBare Block4.125 in Bore8.200 Deck4-Bolt Main1-Piece SealIronSmall Block FordEachDRT31374275- 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
$2,699.99SBF SHP Iron Block 4.000 Bore 8.200 DH 31374175EngineSHPBare Block4 in Bore8.200 Deck4-Bolt Main1-Piece SealIronSmall Block FordEachDRT31374175- 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
$3,999.99SBC Little M Block 4.125 Bore 9.325 DH .391 RC 31182225EngineLittle MBare Block4.125 in Bore9.325 in Deck4-Bolt Main2-Piece Seal0.391 in Raised Cam LocationIronSmall Block ChevyEachDRT31182225- 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
$3,999.99SBC Iron Little M Block 4.125 Bore 9.025 DH 31181215EngineLittle MBare Block4.125 in Bore9.025 in Deck4-Bolt Main2-Piece Seal0.391 in Raised Cam LocationIronSmall Block ChevyEachDRT31181215- SKU:
- DRT31181215
- Availability:
- Ships Same Business Day
- Weight:
- 210.00 LBS
$3,999.99Qty in Cart: 0Quantity:Price:$3,999.99Subtotal: -
Dart SBC CNC 18-Deg Cylinder Head 272cc Bare 14182030
DART
$2,855.65SBC CNC 18-Deg Cylinder Head 272cc Bare 14182030Cylinder HeadRace SeriesBare2.180 / 1.600 in Valves272 cc IntakeAngle PlugAluminumSmall Block ChevyEachDRT14182030- SKU:
- DRT14182030
- Availability:
- Ships Same Business Day
- Weight:
- 27.00 LBS
$2,855.65Qty in Cart: 0Quantity:Price:$2,855.65Subtotal: -
Dart SBF SHP Cylinder Head 205cc/62cc - Assem. 128325
DART
$599.99SBF SHP Cylinder Head 205cc/62cc - Assem. 128325Cylinder HeadSHP2.050 in / 1.600 in Valve205 cc Intake62 cc ChamberAngle PlugAluminumSmall Block FordEachDRT128325- SKU:
- DRT128325
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$599.99Qty in Cart: 0Quantity:Price:$599.99Subtotal:
