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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SBC 220 Sport Comp Shaft R/A Kit 1.50/1.50 Ratio 10001-150/150
T AND D MACHINE
$1,419.99If you're building a high-revving small block Chevy engine, rocker arm ratio directly impacts your valve lift and overall power delivery. This SBC 220 Sport Comp shaft-mount kit delivers the 1.50:1 ratio geometry you need for aggressive cam profiles...TDM10001-150/150- SKU:
- TDM10001-150/150
- Availability:
- Ships Same Business Day
- Weight:
- 16.40 LBS
- MFG Part #:
- 10001-150/150
$1,419.99 -
SBC Sport Comp Shaft R/A Kit 1.60/1.60 Ratio 10000-160/160
T AND D MACHINE
$1,405.99Maximize valve lift and duration with the SBC Sport Comp Shaft R/A Kit, engineered for small block Chevy engines demanding serious rocker arm performance. This 1.60:1 ratio kit delivers the mechanical advantage needed to optimize camshaft profiles while...TDM10000-160/160- SKU:
- TDM10000-160/160
- Availability:
- Ships Same Business Day
- Weight:
- 16.28 LBS
- MFG Part #:
- 10000-160/160
$1,405.99 -
SBC Sport Comp Shaft R/A Kit 1.60/1.50 Ratio 10000-160/150
T AND D MACHINE
$1,405.99The SBC Sport Comp Shaft R/A Kit delivers the valve lift and duration control your small block needs for consistent, high-rpm performance. By pairing asymmetrical rocker ratios (1.60 intake / 1.50 exhaust) with full-roller design, you gain reduced...TDM10000-160/150- SKU:
- TDM10000-160/150
- Availability:
- Ships Same Business Day
- Weight:
- 16.38 LBS
- MFG Part #:
- 10000-160/150
$1,405.99 -
SBC Sport Comp Shaft R/A Kit 1.50/1.50 Ratio 10000-150/150
T AND D MACHINE
$1,419.99If you're building a high-revving small block Chevy that demands reliable valve actuation, the SBC Sport Comp Shaft R/A Kit delivers the precision rocker arm geometry you need without compromise. Full roller design eliminates friction losses while