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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Manley 1.500 TI Valve Spring Retainers 10-Degree 23684-16
MANLEY
$267.541.500 TI Valve Spring Retainers 10-Degree 23684-16Valve Spring Retainer10 Degree1.035 in / 0.705 in OD Steps1.500 in Dual SpringTitaniumMAN23684-16- SKU:
- MAN23684-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.69 LBS
$267.54 -
Manley 1.400 Dual Valve Springs Nek Tek Series 221446SF-16
MANLEY
$836.851.400 Dual Valve Springs Nek Tek Series 221446SF-16Valve SpringNexTekDual Spring575 lb/in Spring Rate1.150 in Coil BindSet of 16MAN221446SF-16- SKU:
- MAN221446SF-16
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
$836.85 -
Manley SBC 4340 Forged Crank 3.480 Stroke 350 Mains 190310NB
MANLEY
$850.17SBC 4340 Forged Crank 3.480 Stroke 350 Mains 190310NBCrankshaft3.480 in StrokeInternal BalanceForged Steel2-Piece SealEachMAN190310NB- SKU:
- MAN190310NB
- Availability:
- Ships Same Business Day
- Weight:
- 56.00 LBS
$850.17 -
Manley SBC 1.625 SD Exhaust Valves 5/16 5.640 OAL 11399-8
MANLEY
$286.72SBC 1.625 SD Exhaust Valves 5/16 5.640 OAL 11399-8Exhaust Valve1.625 in Head5/16 in Valve Stem5.640 in LongStainlessEachMAN11399-8- SKU:
- MAN11399-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$286.72 -
Manley 1.600 R/M Exhaust Valves 5/16 5.040 AOL 11305-8
MANLEY
$192.911.600 R/M Exhaust Valves 5/16 5.040 AOL 11305-8Exhaust ValveRace Master1.600 in Head0.311 in Valve Stem5.4040 in LongSmall Block ChevySet of 8MAN11305-8- SKU:
- MAN11305-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$192.91 -
Manley SBC 2.055 SD Int Valve 5/16 5.010 OAL 11234-8
MANLEY
$286.72SBC 2.055 SD Int Valve 5/16 5.010 OAL 11234-8Intake ValveSevere Duty2.055 in Head5/16 in Valve Stem5.010 in LongSmall Block ChevySet of 8MAN11234-8- SKU:
- MAN11234-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.25 LBS
$286.72 -
SBC PowerPak Piston Set 4.060 Bore -2.4cc 930206660
MAHLE PISTONS
$835.97SBC PowerPak Piston Set 4.060 Bore -2.4cc 930206660Piston and RingPowerPakFlat TopForged4.060 in BoreMinus 2.40 ccSmall Block ChevyKitMAH930206660- SKU:
- MAH930206660
- Availability:
- Ships Same Business Day
- Weight:
- 10.35 LBS
$835.97 -
SBC Power-Pak F/T Piston Set 4.040 Bore 930206540
MAHLE PISTONS
$835.97SBC Power-Pak F/T Piston Set 4.040 Bore 930206540PistonPowerPakFlat TopForged4.040 in BoreMinus 2.40 ccSmall Block ChevySet of 8MAH930206540- SKU:
- MAH930206540
- Availability:
- Ships Same Business Day
- Weight:
- 10.85 LBS
$835.97 -
SBC PowerPak F/T Piston 4.040 Bore 930202540
MAHLE PISTONS
$958.99SBC PowerPak F/T Piston 4.040 Bore 930202540Piston and RingPowerPakFlat TopForged4.040 in BoreMinus 4.10 ccSmall Block ChevyKitMAH930202540- SKU:
- MAH930202540
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
$958.99 -
SBC FT PowerPak Piston Set 4.060 Bore -5.0cc 930200060
MAHLE PISTONS
$762.16SBC FT PowerPak Piston Set 4.060 Bore -5.0cc 930200060PistonPower PakForged4.060 in Bore1.0 mm x 1.0 mm x 2.0 mm Ring GroovesSmall Block ChevySet of 8MAH930200060- SKU:
- MAH930200060
- Availability:
- Ships Same Business Day
- Weight:
- 12.50 LBS
$762.16 -
Piston Pin .927 x 2.288 .188 Wall - 128-Grams 6457147
MAHLE PISTONS
$18.62Piston Pin .927 x 2.288 .188 Wall - 128-Grams 6457147Wrist Pin0.927 in Diameter2.288 in Long0.188 Thick WallC-ClipEachMAH6457147- SKU:
- MAH6457147
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$18.62 -
Piston Ring Set 4.070 Bore .043 .043 3.0mm 4075ML-043
MAHLE PISTONS
$189.00Piston Ring Set 4.070 Bore .043 .043 3.0mm 4075ML-043Piston Rings4.070 in BoreFile Fit0.043 in x 0.043 in x 3.0 mm ThickLow Tension8 CylinderKitMAH4075ML-043- SKU:
- MAH4075ML-043
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
$189.00 -
SBC Power-Pak Piston & Ring Set 4.125 Bore 197779125
MAHLE PISTONS
$997.91SBC Power-Pak Piston & Ring Set 4.125 Bore 197779125Piston and RingPowerPakFlat TopForged4.125 BoreMinus 9.00 ccSmall Block ChevyKitMAH197779125- SKU:
- MAH197779125
- Availability:
- Ships Same Business Day
- Weight:
- 11.25 LBS
$997.91 -
SBC PowerPak Domed Piston Set 4.125 Bore 197754725
MAHLE PISTONS
$1,077.33SBC PowerPak Domed Piston Set 4.125 Bore 197754725Piston and RingPowerPakDomed4.125 in Bore1.0 x 1.0 x 2.0 mm Ring GroovesSmall Block ChevyKitMAH197754725- SKU:
- MAH197754725
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$1,077.33 -
SBC Power-Pak Domed Piston Set 4.135 Bore 197754535
MAHLE PISTONS
$1,038.39SBC Power-Pak Domed Piston Set 4.135 Bore 197754535Piston and RingPowerPakForged4.135 in Bore1.0 x 1.0 x 2.0 mm Ring GroovesSmall Block ChevyKitMAH197754535- SKU:
- MAH197754535
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
$1,038.39 -
SBC PowerPak Piston Set 4.125 Bore -8.9cc 197753325
MAHLE PISTONS
$958.99SBC PowerPak Piston Set 4.125 Bore -8.9cc 197753325PistonPower Pak PlusForged4.125 in Bore1.0 mm x 1.0 mm x 2.0 mm Ring GroovesSmall Block ChevySet of 8MAH197753325- SKU:
- MAH197753325
- Availability:
- Ships Same Business Day
- Weight:
- 11.70 LBS
$958.99 -
SBC PowerPak Piston Set 4.050 Bore FT -8.9cc 197726850
MAHLE PISTONS
$958.99SBC PowerPak Piston Set 4.050 Bore FT -8.9cc 197726850Piston and Ring21 Degree Flat TopForged4.050 in Bore1.0 x 1.0 x 2.0 mm Ring GroovesSmall Block ChevyKitMAH197726850- SKU:
- MAH197726850
- Availability:
- Ships Same Business Day
- Weight:
- 11.60 LBS
$958.99 -
Coated Main Bearing Set MS-590HC
MAHLE ORIGINAL/CLEVITE
$148.99Coated Main Bearing Set MS-590HCMain BearingH-SeriesStandardCoatedSmall Block FordM77MS590HC- SKU:
- M77MS590HC
- Availability:
- Ships Same Business Day
- Weight:
- 1.30 LBS
$148.99Qty in Cart: 0Quantity:Price:$148.99Subtotal: -
Main Bearing Set GM LS Coated MS-2411HXC
MAHLE ORIGINAL/CLEVITE
$269.99Main Bearing Set GM LS Coated MS-2411HXCMain BearingsH-SeriesStandardExtra Oil ClearanceCoatedKitM77MS2411HXC- SKU:
- M77MS2411HXC
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$269.99 -
Main Bearing Set GM LS MS-2411HX
MAHLE ORIGINAL/CLEVITE
$205.99Main Bearing Set GM LS MS-2411HXMain BearingsH-SeriesStandardExtra Oil ClearanceGM LS-SeriesM77MS2411HX- SKU:
- M77MS2411HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.26 LBS
$205.99
