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 1.530 Valve Springs 8205 PLUS
ISKY CAMS
$389.99High-RPM stability and consistent valve control demand springs engineered for precision and durability. The Isky 1.530 Plus-Series valve springs deliver the aggressive spring rate needed for solid-lifter and high-lift cam applications without sacrificing...ISK8205PLUS- SKU:
- ISK8205PLUS
- Availability:
- Ships Same Business Day
- Weight:
- 5.26 LBS
- MFG Part #:
- 8205 PLUS
$389.99 -
Isky 1.530 Valve Springs 8205
ISKY CAMS
$266.99Valve spring selection is critical to engine reliability and performance—especially in high-RPM applications where stock springs can't handle sustained load. The Isky 1.530 Valve Springs 8205 deliver consistent spring rate and damping characteristics...ISK8205- SKU:
- ISK8205
- Availability:
- Ships Same Business Day
- Weight:
- 5.28 LBS
- MFG Part #:
- 8205
$266.99 -
Isky 1.530in Valve Springs 8005SP
ISKY CAMS
$259.99Valve spring performance directly impacts your engine's ability to maintain precise valve timing under extreme RPM conditions. The Isky 1.530in SP-Series springs deliver the aggressive spring rate and damping characteristics necessary for high-lift,...ISK8005-SP- SKU:
- ISK8005-SP
- Availability:
- Ships Same Business Day
- Weight:
- 5.21 LBS
- MFG Part #:
- 8005SP
$259.99 -
Isky 1.530 Valve Springs 8005 PLUS
ISKY CAMS
$380.99Valve spring selection directly impacts your engine's ability to maintain valve control under high-RPM conditions and aggressive cam profiles. The Isky 1.530 Plus-Series delivers the spring rate and damping characteristics needed to prevent valve float...ISK8005PLUS- SKU:
- ISK8005PLUS
- Availability:
- Ships Same Business Day
- Weight:
- 5.26 LBS
- MFG Part #:
- 8005 PLUS
$380.99Qty in Cart: 0Quantity:Price:$380.99Subtotal: -
Isky 1.530in Valve Springs 8005A
ISKY CAMS
$239.99Valve spring selection directly impacts cylinder head durability and maximum RPM capability in high-performance engines. The Isky 1.530in springs deliver a stiff 400 lb/in rate with dual-spring architecture to control valve float and maintain precise...ISK8005-A- SKU:
- ISK8005-A
- Availability:
- Ships Same Business Day
- Weight:
- 5.35 LBS
- MFG Part #:
- 8005A
$239.99 -
Isky 7 Deg. Steel Retainers 707STA
ISKY CAMS
$153.99Valve spring retainers are critical to maintaining consistent spring pressure and preventing float at high RPM—especially in forced induction or high-lift cam applications. The Isky 707STA delivers precision engineering with a 7-degree taper that ensures...ISK707-STA- SKU:
- ISK707-STA
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MFG Part #:
- 707STA
$153.99 -
Isky 7 Deg. Steel Retainers 707ST
ISKY CAMS
$176.99Valve spring retainers are critical to maintaining consistent spring pressure and preventing valve float at high RPM—a problem that kills performance and can cause catastrophic engine damage. The Isky 707ST delivers precision engineering with a 7-degree...ISK707-ST- SKU:
- ISK707-ST
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- 707ST
$176.99Qty in Cart: 0Quantity:Price:$176.99Subtotal: -
Isky 1.430in Valve Springs 6205
ISKY CAMS
$275.99Valve spring performance directly impacts your engine's ability to maintain precise valve timing under extreme RPM conditions. The Isky 1.430in Valve Springs 6205 deliver consistent lift and closure with a 320 lb/in spring rate designed for high-revving...ISK6205- SKU:
- ISK6205
- Availability:
- Ships Same Business Day
- Weight:
- 4.37 LBS
- MFG Part #:
- 6205
$275.99 -
Isky 1.430in Valve Springs 6105
ISKY CAMS
$271.99Valve spring performance is critical to engine reliability at high RPM, and the Isky 1.430in Valve Springs 6105 deliver the consistent load control needed for sustained racing conditions. With a dual spring and damper design, these springs eliminate...ISK6105- SKU:
- ISK6105
- Availability:
- Ships Same Business Day
- Weight:
- 4.09 LBS
- MFG Part #:
- 6105
$271.99 -
Isky 1.430in Valve Springs 6005
ISKY CAMS
$261.99High-RPM reliability starts with properly matched valve springs, and the Isky 1.430in springs deliver the consistent lift and seating force your engine demands across the entire rev range. These dual-spring assemblies with integral dampers eliminate...ISK6005- SKU:
- ISK6005
- Availability:
- Ships Same Business Day
- Weight:
- 4.14 LBS
- MFG Part #:
- 6005
$261.99 -
Isky 7 Deg. Steel Retainers 507STA
ISKY CAMS
$142.99Valve spring retainers are critical for maintaining consistent spring pressure and preventing valve float at high RPM—especially in forced induction or high-lift cam applications. Isky's 7-degree chromoly retainers deliver the precision geometry and...ISK507-STA- SKU:
- ISK507-STA
- Availability:
- Ships Same Business Day
- Weight:
- 1.09 LBS
- MFG Part #:
- 507STA
$142.99 -
Isky 7 Deg. Steel Retainers 507ST
ISKY CAMS
$154.99Valve spring retainers are critical to maintaining consistent spring pressure and preventing valve float at high RPM—especially when running dual springs for aggressive cam profiles. The Isky 507ST delivers the precision and durability needed for serious...ISK507-ST- SKU:
- ISK507-ST
- Availability:
- Ships Same Business Day
- Weight:
- 1.12 LBS
- MFG Part #:
- 507ST
$154.99Qty in Cart: 0Quantity:Price:$154.99Subtotal: -
Isky SBF Roller Lifter Set EZ-Max Series 3972RHEZMAX
ISKY CAMS
$1,457.99Mechanical roller lifters are essential for maximizing valve actuation efficiency and reducing parasitic drag on your Small Block Ford engine. The Isky EZ-Max Series delivers precision-engineered performance with a lightweight design that translates to...ISK3972RHEZMAX- SKU:
- ISK3972RHEZMAX
- Availability:
- Ships Same Business Day
- Weight:
- 5.30 LBS
- MFG Part #:
- 3972RHEZMAX
$1,457.99 -
Isky 1.260in Valve Springs 295D
ISKY CAMS
$342.99Valve spring choice directly impacts your engine's ability to maintain consistent lift at high RPM, preventing float and ensuring crisp throttle response across the entire power band. The Isky 295D delivers a proven 360 lb/in spring rate engineered for...ISK295-D- SKU:
- ISK295-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.02 LBS
- MFG Part #:
- 295D
$342.99 -
Isky 7 Deg. Steel Retainers 275ST
ISKY CAMS
$176.99Valve spring retainers are critical to maintaining precise valve control under high RPM and boost conditions—any deflection or wear directly compromises your engine's power delivery and reliability. The Isky 275ST delivers the rigidity and durability...ISK275-ST- SKU:
- ISK275-ST
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
- MFG Part #:
- 275ST
$176.99 -
Isky Valve Springs 235D
ISKY CAMS
$164.99High-RPM stability and consistent valve control demand springs engineered for precision. The Isky 235D delivers a stiff 350 lb/in rate that maintains accurate valve timing under aggressive cam profiles, eliminating float and valve recession that cost...ISK235-D- SKU:
- ISK235-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.57 LBS
- MFG Part #:
- 235D
$164.99 -
Isky Valve Springs 205D
ISKY CAMS
$174.99Valve spring performance directly impacts engine reliability and rev capability, especially in high-lift cam applications where OEM springs fall short. The Isky 205D delivers consistent seat pressure and outstanding collapse resistance across the RPM...ISK205-D- SKU:
- ISK205-D
- Availability:
- Ships Same Business Day
- Weight:
- 3.03 LBS
- MFG Part #:
- 205D
$174.99 -
Isky Chevy Hydraulic Lifters 202HY
ISKY CAMS
$240.99Hydraulic lifters are the foundation of reliable valve train operation, and the Isky 202HY set delivers the precision clearance maintenance your GM V8 demands without constant adjustment. These flat tappet lifters automatically compensate for thermal...ISK202-HY- SKU:
- ISK202-HY
- Availability:
- Ships Same Business Day
- Weight:
- 3.46 LBS
- MFG Part #:
- 202HY
$240.99 -
Isky Chevy Solid Lifters 202H
ISKY CAMS
$345.99If you're building or refreshing a classic Chevy V8, solid lifters are non-negotiable for high-RPM reliability and consistent valve actuation. The Isky 202H delivers precise mechanical response without hydraulic lag, giving you the predictable...ISK202-H- SKU:
- ISK202-H
- Availability:
- Ships Same Business Day
- Weight:
- 3.16 LBS
- MFG Part #:
- 202H
$345.99 -
Isky SBC Hydraulic Camshaft 201SL2
ISKY CAMS
$299.99The Isky 201SL2 hydraulic camshaft delivers a broad powerband designed for street and strip performance in small block Chevy engines. With a moderate 0.390/0.410" lift and 276/280 degree duration, this cam provides responsive mid-range torque without...ISK201SL2- SKU:
- ISK201SL2
- Availability:
- Ships Same Business Day
- Weight:
- 9.21 LBS
- MFG Part #:
- 201SL2
$299.99
