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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Dura Bond Coated Cam Bearing Set Ford 351W R302 Block 351RHPT
DURA-BOND
$156.99A quality cam bearing set is fundamental to reliable engine operation—inadequate bearing support leads to premature wear, inconsistent valve timing, and catastrophic engine failure. The Dura Bond Coated Cam Bearing Set is engineered with a specialized...DUR351RHPT- SKU:
- DUR351RHPT
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$156.99 -
Dart SBF SHP Iron Block 4.125 Bore 9.500 DH 31375235
DART
$2,699.99The Dart SBF SHP Iron Block gives you a solid foundation for building high-displacement Small Block Ford engines without compromise. With a 4.125" bore and 9.500" deck height, this bare block accepts oversized pistons and supports aggressive power builds...DRT31375235- 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 4.125 Bore 8.200 DH 31374275
DART
$2,699.99The Dart SBF SHP Iron Block is engineered for serious small-block Ford builders who demand a proven foundation for high-horsepower applications. With a 4.125" bore and 8.200" deck height, this block provides the displacement and structural integrity...DRT31374275- 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
$2,699.99The Dart SBF SHP Iron Block delivers the durability and precision machining required for serious Small Block Ford builds, whether you're targeting naturally aspirated peak performance or forced induction power. Built from high-quality iron with a 4.000"...DRT31374175- SKU:
- DRT31374175
- Availability:
- Ships Same Business Day
- Weight:
- 250.00 LBS
$2,699.99 -
Dart SBC Little M Block 4.125 Bore 9.325 DH .391 RC 31182225
DART
$3,999.99The Dart SBC Little M Block is engineered for builders who demand a proven foundation for high-RPM small block applications. With a 4.125" bore and raised cam location, this block delivers the displacement and tuning flexibility serious racers need to...DRT31182225- 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
$3,999.99The Dart SBC Iron Little M Block gives you a proven foundation for building serious small-block power. With a 4.125-inch bore and raised cam location, this bare block accommodates oversized pistons and modern cam profiles without compromise. Whether...DRT31181215- 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
$2,855.65The Dart SBC CNC 18-Deg Cylinder Head delivers the airflow consistency and precision machining serious racers demand. Built from high-quality aluminum and CNC-ported for exact specifications, this bare head gives you a solid foundation for a high-revving...DRT14182030- SKU:
- DRT14182030
- Availability:
- Ships Same Business Day
- Weight:
- 27.00 LBS
$2,855.65 -
Dart SBF SHP Cylinder Head 205cc/58cc - Assem. 128225
DART
$599.99The Dart SHP Cylinder Head unlocks measurable gains in airflow and combustion efficiency for Small Block Ford engines, whether you're chasing track times or building a street performer. With 205cc intake runners and a precision 58cc chamber, this head...DRT128225- SKU:
- DRT128225
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
$599.99Qty in Cart: 0Quantity:Price:$599.99Subtotal: -
Dart SBF SHP Cylinder Head 175cc/62cc - Assem. 128222
DART
$599.99The Dart SBF SHP cylinder head delivers the flow characteristics and combustion efficiency needed to unlock your Small Block Ford's true potential. With a 175cc intake runner and 62cc chamber, this head is engineered for mid-range torque and high-RPM...DRT128222- SKU:
- DRT128222
- Availability:
- Ships Same Business Day
- Weight:
- 29.90 LBS
$599.99Qty in Cart: 0Quantity:Price:$599.99Subtotal: -
Dart SBF SHP Cylinder Head 175cc/62cc - Assem. 128221
DART
$599.99If you're building a Small Block Ford engine that demands consistent power across the RPM band, the Dart SBF SHP Cylinder Head delivers the flow characteristics and chamber efficiency to extract every bit of performance from your combo. The 175cc intake...DRT128221- SKU:
- DRT128221
- Availability:
- Ships Same Business Day
- Weight:
- 29.90 LBS
$599.99 -
Dart SBF SHP Cylinder Head 175cc/62cc - Bare 128211
DART
$447.99The Dart SBF SHP cylinder head delivers the flow characteristics and chamber design serious Small Block Ford builders demand for high-revving, naturally aspirated engines. With a proven 175cc intake runner package and optimized 62cc chamber, this head...DRT128211- SKU:
- DRT128211
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
$447.99Qty in Cart: 0Quantity:Price:$447.99Subtotal: -
Dart SBF SHP Cylinder Head 175cc/58cc - Assem. 128122
DART
$599.99If you're building a Small Block Ford that demands high-flow cylinder heads without compromise, the Dart SHP delivers the intake volume and combustion efficiency your engine needs to breathe. This CNC-ported aluminum head combines a generous 175cc intake...DRT128122- SKU:
- DRT128122
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$599.99 -
Dart SBF SHP Cylinder Head 175cc/58cc - Assem. 128121
DART
$599.99If you're building a high-flow Small Block Ford engine that demands efficient cylinder head design, the Dart SHP 175cc/58cc is engineered to maximize intake velocity and combustion efficiency without compromise. The 175cc intake runners deliver the flow...DRT128121- SKU:
- DRT128121
- Availability:
- Ships Same Business Day
- Weight:
- 31.00 LBS
$599.99Qty in Cart: 0Quantity:Price:$599.99Subtotal: -
Dart SBC SHP Cylinder Head 200cc/64cc SP - Bare 126311
DART
$447.99The Dart SBC SHP cylinder head delivers the airflow and combustion efficiency your small-block Chevy needs to unlock serious horsepower gains. With 200cc intake runners and a proven SHP design, this bare head provides the foundation for builds ranging...DRT126311- SKU:
- DRT126311
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$447.99Qty in Cart: 0Quantity:Price:$447.99Subtotal: -
Dart SBC SHP Cylinder Head 180cc/72cc SP - Assem. 126221
DART
$599.99The Dart SBC SHP cylinder head delivers the flow characteristics and reliability you need for serious small-block Chevy performance. With a 180cc intake runner designed for mid-range torque and peak horsepower, this assembled head is ready to bolt on and...DRT126221- SKU:
- DRT126221
- Availability:
- Ships Same Business Day
- Weight:
- 26.00 LBS
$599.99Qty in Cart: 0Quantity:Price:$599.99Subtotal: -
Comp Cams Cam Phaser Limiter Kit GM LT4 5450
COMP CAMS
$109.95Variable valve timing on modern LT-series engines gives you incredible flexibility, but without proper limiting, you risk over-advancing your cam and losing peak performance or damaging critical components. The Comp Cams Cam Phaser Limiter Kit keeps your...COM5450- SKU:
- COM5450
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$109.95 -
Comp Cams BSR Shaft Rocker System Max-Lift GM LS1/LS2/LS6 1981-16
COMP CAMS
$774.95The Comp Cams BSR Shaft Rocker System delivers the valve control and durability your LS engine demands, whether you're chasing track records or building a bulletproof street machine. This non-roller design maximizes lift consistency across the RPM band...COM1981-16- SKU:
- COM1981-16
- Availability:
- Ships Same Business Day
- Weight:
- 7.30 LBS
$774.95 -
Canton Tall Canister Oil Filter 1-1/16 #12 ORB Ports 25-640
CANTON
$175.00Remote oil filtration keeps heat and bulk away from your engine bay, critical for high-output builds where space and thermal management directly impact reliability. Canton's tall canister design maximizes flow capacity while the robust 12 AN ports...CAN25-640- SKU:
- CAN25-640
- Availability:
- Ships Same Business Day
- Weight:
- 3.25 LBS
$175.00 -
Canton Windage Tray - GM LS- Series 20-902
CANTON
$109.00Windage trays are essential for reducing parasitic drag in high-rpm applications by preventing oil from churning around the crankshaft. The Canton 20-902 is specifically engineered for GM LS-series engines, where oil aeration directly impacts horsepower...CAN20-902- SKU:
- CAN20-902
- Availability:
- Ships Same Business Day
- Weight:
- 2.89 LBS
$109.00 -
Air Flow Research GM LS 15deg Cyl. Heads 230cc Cathedral Port 1610
AIR FLOW RESEARCH
$3,043.00Air Flow Research GM LS 15deg Cylinder Heads deliver optimized flow characteristics for serious LS-series builds seeking measurable horsepower gains and improved throttle response. The 230cc cathedral port design balances mid-range torque with high-RPM...AFR1610- SKU:
- AFR1610
- Availability:
- Ships Same Business Day
- Weight:
- 64.00 LBS
$3,043.00
