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!
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- Qty in Cart
- Quantity
- Price
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Forged Piston L2256F
SEALED POWER
$432.99When you're building a small block Chevy engine that demands reliability under sustained high RPM, forged pistons are non-negotiable. The Forged Piston L2256F delivers the strength and precision required for forced induction, nitrous, or aggressive...SEAL2256F- SKU:
- SEAL2256F
- Availability:
- Ships Same Business Day
- Weight:
- 14.54 LBS
$432.99 -
SBC 4340 Forged Crank - 4.000 Stroke 7-350-4000-6000
SCAT ENTERPRISES
$993.99A forged 4340 steel crankshaft is the foundation of any high-revving small-block engine that demands reliability under sustained boost or nitrous oxide. This internally balanced Excalibur crank eliminates the need for external balancing weights,...SCA7-350-4000-6000- SKU:
- SCA7-350-4000-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$993.99Qty in Cart: 0Quantity:Price:$993.99Subtotal: -
SBC 4340 Forged Crank - 3.875 Stroke 7-350-3875-6000
SCAT ENTERPRISES
$993.99A forged crankshaft is the backbone of any high-revving small block engine—it handles the extreme forces of combustion while maintaining the tight tolerances that separate a reliable powerplant from a catastrophic failure. The Excalibur SBC 4340 forged...SCA7-350-3875-6000- SKU:
- SCA7-350-3875-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$993.99 -
SBC 4340 Forged Crank - 3.480 Stroke 7-350-3480-5700
SCAT ENTERPRISES
$993.99A forged 4340 steel crankshaft is the foundation of any reliable high-RPM small block build. The Excalibur 3.480" stroke delivers the displacement and durability you need for consistent power delivery, whether you're building a street performer or race...SCA7-350-3480-5700- SKU:
- SCA7-350-3480-5700
- Availability:
- Ships Same Business Day
- Weight:
- 52.00 LBS
$993.99Qty in Cart: 0Quantity:Price:$993.99Subtotal: -
SBC 4340 Forged I-Beam Rods 6.125 2-ICR6125-2000-7/16
SCAT ENTERPRISES
$546.99If you're building a high-revving small block Chevy that demands reliability under extreme loads, these forged I-beam rods are non-negotiable. ARP8740 forged steel construction delivers the strength needed for forced induction, nitrous, or sustained...SCA2-ICR6125-2000-7/16- SKU:
- SCA2-ICR6125-2000-7/16
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$546.99 -
SBC 4340 Forged I-Beam Rods 6.000 Press Fit 2-ICR6000A
SCAT ENTERPRISES
$508.99If you're building a high-rpm Small Block Chevy engine or preparing for Pro Stock competition, connecting rod integrity is non-negotiable. These 4340 forged I-beam rods deliver the strength and reliability needed to handle sustained high-load conditions...SCA2-ICR6000A- SKU:
- SCA2-ICR6000A
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$508.99 -
SBC 4340 Forged I-Beam Rods 6.000 w/ARP2000 2-ICR6000-7/16A
SCAT ENTERPRISES
$567.99When you're building a high-revving Small Block Chevy engine, stock connecting rods become your first liability. These 4340 forged I-beam rods deliver the strength and reliability needed for sustained high-RPM performance, whether you're competing on the...SCA2-ICR6000-7/16A- SKU:
- SCA2-ICR6000-7/16A
- Availability:
- Ships Same Business Day
- Weight:
- 12.00 LBS
$567.99 -
SBC 4340 Forged I-Beam Rods 5.700 2-ICR5700A
SCAT ENTERPRISES
$546.99If you're building a high-revving Small Block Chevy engine, connecting rod quality directly impacts reliability and power delivery under sustained load. These 4340 forged I-beam rods deliver the strength needed for forced induction, nitrous, or all-out...SCA2-ICR5700A- SKU:
- SCA2-ICR5700A
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$546.99Qty in Cart: 0Quantity:Price:$546.99Subtotal: -
SBC 4340 Forged I-Beam Rods 5.700 w/2.000 Pin 2-ICR5700-2000
SCAT ENTERPRISES
$449.99If you're building a Pro Stock engine or pushing your small block Chevy to its limits, connecting rod integrity is non-negotiable. These SBC 4340 forged I-beam rods deliver the strength and reliability you need to handle sustained high RPM loads without...SCA2-ICR5700-2000- SKU:
- SCA2-ICR5700-2000
- Availability:
- Ships Same Business Day
- Weight:
- 12.04 LBS
$449.99 -
SBF 4340 Forged I-Beam Rods 5.400 2-ICR5400-7/16
SCAT ENTERPRISES
$497.99If you're building a high-revving Small Block Ford that demands reliability under sustained load, forged I-beam connecting rods are non-negotiable. These SBF rods deliver the strength-to-weight ratio necessary for competitive racing or extreme...SCA2-ICR5400-7/16- SKU:
- SCA2-ICR5400-7/16
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$497.99 -
Fabricated SB Ford 1962 -85 Valve Covers w/Rails R6344
RACING POWER CO-PACKAGED
$179.99Clean engine bays demand clean valve covers—these fabricated aluminum covers deliver a finished look while providing practical benefits like recessed bolts that won't catch on headers or accessories. The 3-1/2" tall profile clears most intake manifolds...RPCR6344- SKU:
- RPCR6344
- Availability:
- Ships Same Business Day
- Weight:
- 6.80 LBS
$179.99 -
SB Ford Aluminum Valve Covers Plain With Hole R6171
RACING POWER CO-PACKAGED
$155.99SB Ford aluminum valve covers deliver reliable crankcase ventilation while maintaining a clean, professional engine bay aesthetic. The baffled design minimizes oil carryover into your breather system, protecting downstream components and reducing...RPCR6171- SKU:
- RPCR6171
- Availability:
- Ships Same Business Day
- Weight:
- 7.70 LBS
$155.99 -
SBC Alum Fabricated Tall V/C Polished R6145POL
RACING POWER CO-PACKAGED
$188.99Valve covers endure constant heat cycles and engine bay exposure, making factory units prone to warping and leaks. These fabricated aluminum covers deliver superior durability while eliminating the aesthetic compromises of stock components. The polished...RPCR6145POL- SKU:
- RPCR6145POL
- Availability:
- Ships Same Business Day
- Weight:
- 5.45 LBS
$188.99 -
SBC Alum Fabricated Tall V/C Chrome R6145C
RACING POWER CO-PACKAGED
$217.99A quality valve cover is essential for maintaining proper crankcase ventilation while protecting your engine's internals from debris and moisture. These fabricated aluminum covers deliver clean aesthetics without compromising functionality, and the tall...RPCR6145C- SKU:
- RPCR6145C
- Availability:
- Ships Same Business Day
- Weight:
- 5.57 LBS
$217.99Qty in Cart: 0Quantity:Price:$217.99Subtotal: -
SBC Alum Fabricated Tall V/C Anodized R6145
RACING POWER CO-PACKAGED
$184.99A quality valve cover does more than seal your engine—it protects critical components from contamination while giving your engine bay a finished, professional appearance. The R6145 tall valve covers offer the extra clearance you need for high-rise intake...RPCR6145- SKU:
- RPCR6145
- Availability:
- Ships Same Business Day
- Weight:
- 5.52 LBS
$184.99 -
SBF Billet Roller Timing 302/351W CS10025
ROLLMASTER-ROMAC
$200.41A worn or sloppy timing chain can kill your engine's precision and performance—introducing unwanted valve timing drift that robs you of horsepower and reliability. The SBF Billet Roller Timing 302/351W CS10025 delivers the tight, repeatable timing...ROLCS10025- SKU:
- ROLCS10025
- Availability:
- Ships Same Business Day
- Weight:
- 3.20 LBS
$200.41 -
Cam Bearing - LS Block (1pc) 549202-1
RACING HEAD SERVICE
$12.95A worn or damaged cam bearing compromises valve timing accuracy and can lead to catastrophic engine failure. This OEM-specification bearing ensures proper camshaft support and oil circulation, critical for maintaining peak performance and engine...RHS549202-1- SKU:
- RHS549202-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$12.95 -
Quarter Master Crank Hub Assy SBC Ford 180331
QUARTER MASTER
$272.41A precision crankshaft hub is critical for reliable power transmission between your harmonic balancer and engine in high-rpm applications. Quarter Master's 180331 delivers the exact fitment and durability small block Ford builders demand, eliminating the...QTR180331- SKU:
- QTR180331
- Availability:
- Ships Same Business Day
- Weight:
- 1.83 LBS
$272.41Qty in Cart: 0Quantity:Price:$272.41Subtotal: -
Quarter Master Oil Pump Mount Kit SCP 117612
QUARTER MASTER
$256.30A quality oil pump mount is critical for forced induction builds where reliability can't be compromised. This Quarter Master kit delivers a purpose-built solution that integrates seamlessly with your bellhousing while maintaining proper oil delivery...QTR117612- SKU:
- QTR117612
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$256.30 -
Alt. Pulley 6-Groove 2.44in OD 204
POWERMASTER
$25.99If you're running a Powermaster alternator in your racing setup, a worn or incorrect pulley will rob you of charging efficiency and create belt slippage under load. This 6-groove alternator pulley delivers consistent power transmission with a proven...PWM204- SKU:
- PWM204
- Availability:
- Ships Same Business Day
- Weight:
- 1.15 LBS
$25.99
