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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Isky SBC Hydraulic Camshaft 201274
ISKY CAMS
$299.99The Isky SBC Hydraulic Camshaft 201274 delivers the reliable mid-range power you need for street performance and weekend racing without the complexity of solid roller setups. With a proven 0.490" lift and 274° duration on both intake and exhaust, this...ISK201274- SKU:
- ISK201274
- Availability:
- Ships Same Business Day
- Weight:
- 8.67 LBS
- MFG Part #:
- 201274
$299.99 -
Isky SBC Hydraulic Camshaft 270 Mega 201271
ISKY CAMS
$302.99The Isky SBC Hydraulic Camshaft 270 Mega delivers a balanced street-to-strip profile that maximizes mid-range torque while maintaining reliable hydraulic operation for extended durability. With 0.465 inches of lift and a 270-degree duration on both...ISK201271- SKU:
- ISK201271
- Availability:
- Ships Same Business Day
- Weight:
- 8.85 LBS
- MFG Part #:
- 201271
$302.99 -
Isky SBC Hydraulic Camshaft 201268
ISKY CAMS
$306.99The Isky SBC Hydraulic Camshaft 201268 delivers a balanced power curve ideal for street-to-strip Small Block Chevy applications, offering reliable hydraulic actuation without the complexity of solid roller conversion. With 0.450" lift and a 268-degree...ISK201268- SKU:
- ISK201268
- Availability:
- Ships Same Business Day
- Weight:
- 8.96 LBS
- MFG Part #:
- 201268
$306.99Qty in Cart: 0Quantity:Price:$306.99Subtotal: -
Isky 5/16in Adj. Guide Plates 200AGP
ISKY CAMS
$101.99Pushrod guide plates are critical for maintaining consistent valve train geometry and preventing pushrod deflection under high-RPM conditions. The Isky 5/16in adjustable plates give you fine-tuned control over pushrod alignment, which directly translates...ISK200-AGP- SKU:
- ISK200-AGP
- Availability:
- Ships Same Business Day
- Weight:
- 0.95 LBS
- MFG Part #:
- 200AGP
$101.99 -
Isky SBC R/Z Roller Lifters 1271LSH
ISKY CAMS
$914.99Isky's SBC R/Z Roller Lifters deliver the precise valve actuation and reduced friction your small block demands when pushing hard on the track or dyno. The mechanical roller design minimizes parasitic losses while the vertical link bar geometry ensures...ISK1271-LSH- SKU:
- ISK1271-LSH
- Availability:
- Ships Same Business Day
- Weight:
- 4.86 LBS
- MFG Part #:
- 1271LSH
$914.99Qty in Cart: 0Quantity:Price:$914.99Subtotal: -
Isky SBC Roller Lifter Set EZ-Max Series 1271LO185EZMAX
ISKY CAMS
$1,439.99Mechanical roller lifters are essential for maximizing valve lift accuracy and reducing parasitic friction losses in high-RPM applications. The Isky EZ-Max Series delivers the reliability and precision you need to push your Small Block Chevy to its...ISK1271LO185EZMAX- SKU:
- ISK1271LO185EZMAX
- Availability:
- Ships Same Business Day
- Weight:
- 5.35 LBS
- MFG Part #:
- 1271LO185EZMAX
$1,439.99 -
Isky SBC R/Z Roller Lifters - .185in Offset 1271LO185
ISKY CAMS
$946.99Roller lifters are essential for maximizing valve train efficiency and reliability in high-RPM small block Chevy applications. The Isky R/Z design delivers superior durability and reduced friction compared to flat-tappet alternatives, making it the...ISK1271-LO-185- SKU:
- ISK1271-LO-185
- Availability:
- Ships Same Business Day
- Weight:
- 4.75 LBS
- MFG Part #:
- 1271LO185
$946.99 -
SBC Forged Domed Piston Set 4.040 Bore +6.26cc IC793.040
ICON PISTONS
$738.79Maximize compression and combustion efficiency in your small block Chevy with these premium forged pistons engineered for high-RPM stability and consistent performance. The domed design increases compression ratio while the forged construction delivers...ICNIC793.040- SKU:
- ICNIC793.040
- Availability:
- Ships Same Business Day
- Weight:
- 13.06 LBS
- MFG Part #:
- IC793.040
$738.79Qty in Cart: 0Quantity:Price:$738.79Subtotal: -
SBC Forged F/T Piston Set 4.040 Bore -4.86cc IC792.040
ICON PISTONS
$682.04If you're building a high-compression Small Block Chevy engine or refreshing a tired short block, quality pistons are non-negotiable. These forged F/T pistons deliver the strength and precision needed for forced induction and high-RPM applications, while...ICNIC792.040- SKU:
- ICNIC792.040
- Availability:
- Ships Same Business Day
- Weight:
- 12.43 LBS
- MFG Part #:
- IC792.040
$682.04 -
SBC Forged F/T Piston Set 4.030 Bore -4.86cc IC792.030
ICON PISTONS
$682.04Building a high-compression Small Block Chevy engine demands pistons engineered for sustained peak performance and reliability. These forged units provide the strength to handle forced induction and nitrous applications while maintaining tight tolerances...ICNIC792.030- SKU:
- ICNIC792.030
- Availability:
- Ships Same Business Day
- Weight:
- 12.57 LBS
- MFG Part #:
- IC792.030
$682.04 -
SBC T/S-3 4340 Forged Crank 3.750 Stroke H403756012T
HOWARDS RACING COMPONENTS
$933.99Building a high-displacement small block or pushing your existing SBC to the limit requires a crankshaft engineered for sustained power and reliability. This 4340 forged crank delivers the stroke you need for increased displacement and torque while...HRCH403756012T- SKU:
- HRCH403756012T
- Availability:
- Ships Same Business Day
- Weight:
- 25.00 LBS
- MFG Part #:
- H403756012T
$933.99 -
Dual Valve Springs - 1.437 98441
HOWARDS RACING COMPONENTS
$163.99If you're pushing your engine to the limit, valve spring performance is non-negotiable. These dual valve springs are engineered to handle the demands of high-RPM applications, delivering the spring rate and coil bind characteristics required for reliable...HRC98441- SKU:
- HRC98441
- Availability:
- Ships Same Business Day
- Weight:
- 4.17 LBS
- MFG Part #:
- 98441
$163.99 -
Single Valve Springs - 1.265 98215
HOWARDS RACING COMPONENTS
$183.99Valve spring performance directly impacts your engine's ability to maintain precise valve timing under high RPM and boost conditions. These single valve springs with integral dampers deliver the 430 lb/in spring rate needed to prevent valve float while...HRC98215- SKU:
- HRC98215
- Availability:
- Ships Same Business Day
- Weight:
- 3.11 LBS
- MFG Part #:
- 98215
$183.99 -
Single Valve Springs - 1.250 98214
HOWARDS RACING COMPONENTS
$68.99If you're building or refreshing a high-performance engine, valve spring selection directly impacts your RPM ceiling, reliability, and overall power delivery. These single valve springs are engineered for serious builders who need precise control over...HRC98214- SKU:
- HRC98214
- Availability:
- Ships Same Business Day
- Weight:
- 3.17 LBS
- MFG Part #:
- 98214
$68.99Qty in Cart: 0Quantity:Price:$68.99Subtotal: -
Single Valve Springs - 1.265 98213
HOWARDS RACING COMPONENTS
$140.99Valve spring performance directly impacts engine reliability under high RPM conditions—weak or unstable springs lead to valve float, timing loss, and potential catastrophic failure. These single valve springs deliver the consistent load and damping...HRC98213- SKU:
- HRC98213
- Availability:
- Ships Same Business Day
- Weight:
- 3.09 LBS
- MFG Part #:
- 98213
$140.99 -
Single Valve Springs - 1.265 98212
HOWARDS RACING COMPONENTS
$85.99Valve spring selection directly impacts your engine's ability to maintain valve control under high RPM loads and aggressive cam profiles. These single valve springs deliver consistent 425 lb/in spring rate across the full range of motion, ensuring...HRC98212- SKU:
- HRC98212
- Availability:
- Ships Same Business Day
- Weight:
- 3.07 LBS
- MFG Part #:
- 98212
$85.99 -
Valve Spring Retainers - 10 Degree - 1.125 97132
HOWARDS RACING COMPONENTS
$82.99Valve spring retainers are critical to maintaining consistent valve control under high RPM conditions. These 10-degree retainers ensure proper spring geometry and load distribution, preventing valve float and catastrophic engine failure in forced...HRC97132- SKU:
- HRC97132
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 97132
$82.99 -
Valve Spring Retainers - 7 Degree- 1.125 97112
HOWARDS RACING COMPONENTS
$81.99Valve spring retainers are critical to maintaining proper valve control under extreme RPM and boost conditions. These 7-degree chromoly retainers ensure consistent spring seat geometry, preventing valve float and maximizing engine reliability during...HRC97112- SKU:
- HRC97112
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 97112
$81.99 -
Solid Lifters - Ford V8 Direct Lube 91218
HOWARDS RACING COMPONENTS
$310.99Solid lifters deliver direct, mechanical valve actuation without the compliance issues inherent in hydraulic designs—essential for high-RPM builds where valve control and repeatability matter. If you're running a carbureted or EFI Ford V8 with aggressive...HRC91218- SKU:
- HRC91218
- Availability:
- Ships Same Business Day
- Weight:
- 3.59 LBS
- MFG Part #:
- 91218
$310.99 -
SBC Mech Roller Lifter Set +.300 Tall 91152
HOWARDS RACING COMPONENTS
$598.99Mechanical roller lifters deliver consistent valve lift geometry and reduced friction compared to traditional flat-tappet designs, translating directly to improved engine efficiency and reliability at high RPM. The +.300" tall profile accommodates...HRC91152- SKU:
- HRC91152
- Availability:
- Ships Same Business Day
- Weight:
- 4.50 LBS
- MFG Part #:
- 91152
$598.99
