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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Dart SBC 230cc Pro-1 Head 64cc A/P 2.08/1.60 Assm. 11711143P
DART
$1,323.34SBC 230cc Pro-1 Head 64cc A/P 2.08/1.60 Assm.Cylinder HeadPro 1Assembled2.080 / 1.600 in Valve230 cc Intake64 cc Chamber1.550 in SpringsAngle PlugAluminumSmall Block ChevyEachDRT11711143P- SKU:
- DRT11711143P
- Availability:
- Ships Same Business Day
- Weight:
- 26.70 LBS
- MFG Part #:
- 11711143P
$1,323.34 -
Dart SBC 230cc Pro-1 Head 64cc A/P 2.08/1.60 Bare 11710040P
DART
$873.04SBC 230cc Pro-1 Head 64cc A/P 2.08/1.60 BareCylinder HeadPro 1Bare2.080 / 1.600 in Valves230 cc Intake64 cc ChamberAngle PlugAluminumSmall Block ChevyEachDRT11710040P- SKU:
- DRT11710040P
- Availability:
- Ships Same Business Day
- Weight:
- 22.60 LBS
- MFG Part #:
- 11710040P
$873.04 -
Dart SBC 215cc Pro-1 Head 64cc A/P 2.05/1.60 Bare 11510020P
DART
$873.04SBC 215cc Pro-1 Head 64cc A/P 2.05/1.60 BareCylinder HeadPro 1Bare2.050 / 1.600 in Valves215 cc Intake64 cc ChamberAngle PlugAluminumSmall Block ChevyEachDRT11510020P- SKU:
- DRT11510020P
- Availability:
- Ships Same Business Day
- Weight:
- 21.95 LBS
- MFG Part #:
- 11510020P
$873.04 -
Dart SBC 200cc Pro-1 Head 64cc A/P 2.02/1.60 Bare 11310010P
DART
$873.04SBC 200cc Pro-1 Head 64cc A/P 2.02/1.60 BareCylinder HeadPro 1Bare2.020 / 1.600 in Valves200 cc Intake64 cc ChamberAngle PlugAluminumSmall Block ChevyEachDRT11310010P- SKU:
- DRT11310010P
- Availability:
- Ships Same Business Day
- Weight:
- 22.85 LBS
- MFG Part #:
- 11310010P
$873.04Qty in Cart: 0Quantity:Price:$873.04Subtotal: -
Dart SBC 165cc I/E Head 76cc 1.94/1.50 Bare 10024360
DART
$426.46SBC 165cc I/E Head 76cc 1.94/1.50 BareCylinder HeadIron Eagle S/SBare1.940 / 1.500 in Valves165 cc Intake76 cc ChamberStraight PlugIronSmall Block ChevyEachDRT10024360- SKU:
- DRT10024360
- Availability:
- Ships Same Business Day
- Weight:
- 48.03 LBS
- MFG Part #:
- 10024360
$426.46Qty in Cart: 0Quantity:Price:$426.46Subtotal: -
Dart Iron Eagle S/S SBC Cylinder Head 10024267
DART
$426.46Iron Eagle S/S SBC Cylinder HeadCylinder HeadIron Eagle S/SBare2.020 / 1.600 in Valves165 cc Intake76 cc ChamberStraight Plug IronSmall Block ChevyEachDRT10024267- SKU:
- DRT10024267
- Availability:
- Ships Same Business Day
- Weight:
- 48.25 LBS
- MFG Part #:
- 10024267
$426.46Qty in Cart: 0Quantity:Price:$426.46Subtotal: -
Derale Thermostat w/Brackets 3/8in NPT 25791
DERALE
$79.39Thermostat w/Brackets 3/8in NPTRemote Oil ThermostatDual 3/8 in NPT InletsDual 3/8 in NPT OutletsBracketAluminumPolishedEachDER25791- SKU:
- DER25791
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- 25791
$79.39 -
Derale Single Side Ports 1/2 NPT Filter Mount 3/4-16 Thread 25709
DERALE
$45.20This high-quality aluminum die-cast filter mount features a side port design with 1/2-inch NPT female dual ports and a 3/4-16 center thread, allowing for easy remote mounting of your oil filter. Its polished finish provides a sleek appearance, and the...DER25709- SKU:
- DER25709
- Availability:
- Ships Same Business Day
- Weight:
- 0.94 LBS
- MFG Part #:
- 25709
$45.20 -
Derale Automatic Thermostat Switch 15721
DERALE
$43.08Automatic Thermostat SwitchTemperature Switch180 Degree On165 Degree Off8 AN Inlet8 AN Outlet1/2 in Male Barb FittingsKitDER15721- SKU:
- DER15721
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 15721
$43.08 -
11/32 Intake Valves - 2.180 IV2180-6T-CRST-8
DEL WEST
$1,247.9911/32 Intake Valves - 2.180Intake Valve2.180 in Head11/32 in Valve Stem5.540 in LongTitaniumSmall Block ChevySet of 8DELIV2180-6T-CRST-8- SKU:
- DELIV2180-6T-CRST-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.32 LBS
- MFG Part #:
- IV2180-6T-CRST-8
$1,247.99 -
11/32 Intake Valves - 2.100 IV2100-2T-CRST-8
DEL WEST
$1,247.9911/32 Intake Valves - 2.100Intake Valve2.100 in Head11/32 in Valve Stem5.140 in LongTitaniumSmall Block ChevySet of 8DELIV2100-2T-CRST-8- SKU:
- DELIV2100-2T-CRST-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.15 LBS
- MFG Part #:
- IV2100-2T-CRST-8
$1,247.99 -
11/32 Intake Valves - 2.080 IV2080-2T-CRST-8
DEL WEST
$1,247.9911/32 Intake Valves - 2.080Intake Valve2.080 in Head11/32 in Valve Stem5.140 in LongTitaniumSmall Block ChevySet of 8DELIV2080-2T-CRST-8- SKU:
- DELIV2080-2T-CRST-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.17 LBS
- MFG Part #:
- IV2080-2T-CRST-8
$1,247.99 -
11/32 Intake Valves - 2.080 IV2080-1T-CRST-8
DEL WEST
$1,247.9911/32 Intake Valves - 2.080Intake Valve2.080 in Head11/32 in Valve Stem5.040 in LongTitaniumSmall Block Chevy / FordSet of 8DELIV2080-1T-CRST-8- SKU:
- DELIV2080-1T-CRST-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- MFG Part #:
- IV2080-1T-CRST-8
$1,247.99 -
11/32 Exhaust Valves - 1.625 EV1625-6T-CRST-8
DEL WEST
$1,277.9911/32 Exhaust Valves - 1.625Exhaust Valve1.625 in Head11/32 in Valve Stem5.540 in LongTitaniumSmall Block ChevySet of 8DELEV1625-6T-CRST-8- SKU:
- DELEV1625-6T-CRST-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.95 LBS
- MFG Part #:
- EV1625-6T-CRST-8
$1,277.99 -
11/32 Exhaust Valves - 1.600 EV1600-2T-CRST-8
DEL WEST
$1,277.9911/32 Exhaust Valves - 1.600Exhaust Valve1.600 in Head11/32 in Valve Stem5.140 in LongTitaniumSmall Block Chevy / FordSet of 8DELEV1600-2T-CRST-8- SKU:
- DELEV1600-2T-CRST-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.88 LBS
- MFG Part #:
- EV1600-2T-CRST-8
$1,277.99 -
Super 7 Shoulder V/L - 5/16 +.050 Radius LX-DW794-C-16
DEL WEST
$297.99Super 7 Shoulder V/L - 5/16 +.050 RadiusValve LockShoulder LockSuper 7 Degree5/16 in Valve Stem0.050 in More HeightMachinedTitaniumNaturalSet of 32DEL794-C-16- SKU:
- DEL794-C-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- LX-DW794-C-16
$297.99 -
Super 7 Shoulder V/L - 5/16 Std. Radius LX-DW793-C-16
DEL WEST
$298.99Super 7 Shoulder V/L - 5/16 Std. RadiusValve LockShoulder LockSuper 7 Degree5/16 in Valve StemStandard HeightMachinedTitaniumNaturalSet of 32DEL793-C-16- SKU:
- DEL793-C-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- LX-DW793-C-16
$298.99 -
Super 7 Shoulder V/L - 11/32 Std. Radius LX-DW790-C-16
DEL WEST
$297.99Super 7 Shoulder V/L - 11/32 Std. RadiusValve LockShoulder LockSuper 7 Degree11/32 in Valve StemStandard HeightMachinedTitaniumNaturalSet of 32DEL790-C-16- SKU:
- DEL790-C-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.18 LBS
- MFG Part #:
- LX-DW790-C-16
$297.99 -
Dual Spring Retainers - 1.450/1.140/.745 RX-DW515-LTW-16
DEL WEST
$616.99Dual Spring Retainers - 1.450/1.140/.745Valve Spring RetainerLightweightSuper 7 Degree1.140 in / 0.745 in OD StepsDual SpringTitaniumSet of 16DEL515-LTW-16- SKU:
- DEL515-LTW-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.72 LBS
- MFG Part #:
- RX-DW515-LTW-16
$616.99 -
Dual Spring Retainers - 1.500/1.140/.745 RX-DW515-16
DEL WEST
$573.99Dual Spring Retainers - 1.500/1.140/.745Valve Spring RetainerSuper 7 Degree1.140 in / 0.745 in OD StepsDual SpringTitaniumSet of 16DEL515-16- SKU:
- DEL515-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.79 LBS
- MFG Part #:
- RX-DW515-16
$573.99
