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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Comp Cams 1.412 Valve Springs - Beehive 26986-16
COMP CAMS
$270.95Valve spring performance directly impacts engine response, reliability, and maximum RPM capability—and undersized or worn springs are a common bottleneck in modified engines. Comp Cams' beehive design delivers consistent seat pressure across a wider lift...COM26986-16- SKU:
- COM26986-16
- Availability:
- Ships Same Business Day
- Weight:
- 3.14 LBS
- MFG Part #:
- 26986-16
$270.95Qty in Cart: 0Quantity:Price:$270.95Subtotal: -
Comp Cams 1.549in Dual Valve Springs w/Damper 26115-16
COMP CAMS
$645.95Comp Cams' dual valve springs with damper are engineered for sustained high-RPM performance in endurance racing applications. The 544 lb/in spring rate delivers aggressive valve control without sacrificing reliability, while the integrated damper...COM26115-16- SKU:
- COM26115-16
- Availability:
- Ships Same Business Day
- Weight:
- 6.20 LBS
- MFG Part #:
- 26115-16
$645.95 -
Comp Cams Oval Track Valve Springs 26094-16
COMP CAMS
$372.95Valve spring performance directly impacts RPM stability, valve timing accuracy, and engine longevity under sustained racing conditions. The Comp Cams Oval Track Valve Springs 26094-16 are engineered specifically for the demands of oval track racing,...COM26094-16- SKU:
- COM26094-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.89 LBS
- MFG Part #:
- 26094-16
$372.95 -
Comp Cams Valve Springs - Beehive 1.585in 26055-16
COMP CAMS
$325.95Comp Cams Beehive valve springs deliver the reliability and consistent performance demand in high-RPM racing environments. Their compact beehive design reduces mass while maintaining stiffness, allowing your valvetrain to respond precisely at aggressive...COM26055-16- SKU:
- COM26055-16
- Availability:
- Ships Same Business Day
- Weight:
- 4.23 LBS
- MFG Part #:
- 26055-16
$325.95 -
Comp Cams Engine Plug Kit - GM LS Series 251
COMP CAMS
$49.95Engine freeze plugs are critical wear items that protect your LS engine block from catastrophic damage caused by coolant freezing or pressure buildup. This OEM-quality Comp Cams kit delivers all the freeze plugs needed for a complete engine rebuild or...COM251- SKU:
- COM251
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- 251
$49.95 -
Comp Cams Sb Ford Mag-Dbl Roller Timing Set 3/22/84-1992 2138
COMP CAMS
$78.95A worn or factory timing chain is a silent killer in any serious Small Block Ford build—it can rob you of horsepower, cause erratic timing, and lead to catastrophic engine failure if it breaks. The Comp Cams Magnum Double Roller Timing Set replaces that...COM2138- SKU:
- COM2138
- Availability:
- Ships Same Business Day
- Weight:
- 3.33 LBS
- MFG Part #:
- 2138
$78.95 -
Comp Cams SBF Magnum Roller Timing Set 2135
COMP CAMS
$78.95A timing chain set is fundamental to your engine's reliability—it synchronizes your crankshaft and camshaft to ensure precise valve timing at every RPM. Comp Cams' SBF Magnum Roller design uses a double-roller configuration to reduce friction and wear,...COM2135- SKU:
- COM2135
- Availability:
- Ships Same Business Day
- Weight:
- 3.37 LBS
- MFG Part #:
- 2135
$78.95 -
Comp Cams Sbc Magnum Double Roller Timing Set (1955-91) 2100
COMP CAMS
$83.95A timing chain set is fundamental to your engine's reliability and performance—it synchronizes your crankshaft and camshaft to ensure precise valve timing at every RPM. Comp Cams' double roller design eliminates the slack and wear inherent in...COM2100- SKU:
- COM2100
- Availability:
- Ships Same Business Day
- Weight:
- 3.04 LBS
- MFG Part #:
- 2100
$83.95 -
Comp Cams SBC Nylon Thrust Button .810in Length 202
COMP CAMS
$15.95Camshaft thrust buttons are a critical wear component that prevents excessive endplay and protects your cam from damaging contact with the block. The Comp Cams SBC Nylon Thrust Button maintains precise tolerances while absorbing the axial forces...COM202- SKU:
- COM202
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 202
$15.95 -
Comp Cams SBC Roller Cam Button .795in Length 200
COMP CAMS
$20.95Proper camshaft thrust control is critical for maintaining precise valve timing and protecting your Small Block Chevy engine from costly damage caused by axial wear. This Comp Cams roller cam button prevents unwanted camshaft movement while supporting...COM200- SKU:
- COM200
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 200
$20.95 -
Comp Cams BBF U/G Rocker Arms 1.73 Ratio 7/16 Stud 19045-16
COMP CAMS
$558.95If you're running a big-block Ford or Cleveland engine and want to maximize valve lift while maintaining precise rocker arm geometry, full-roller rocker arms are essential. The Comp Cams Ultra Gold ARC design delivers reduced friction and consistent...COM19045-16- SKU:
- COM19045-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.13 LBS
- MFG Part #:
- 19045-16
$558.95 -
Comp Cams SBF Ultra Gold R/A's - 1.6 Ratio 7/16 Stud 19044-16
COMP CAMS
$433.95If you're building serious Small Block Ford power, rocker arm ratio directly impacts valve lift and duration—and that translates to real gains in flow and responsiveness. Comp Cams' Ultra Gold R/A's deliver full roller technology with a proven 1.6 ratio,...COM19044-16- SKU:
- COM19044-16
- Availability:
- Ships Same Business Day
- Weight:
- 7.76 LBS
- MFG Part #:
- 19044-16
$433.95 -
Comp Cams SBF Ultra Gold R/A's - 1.6 Ratio 3/8 Stud 19043-16
COMP CAMS
$433.95Rocker arm efficiency directly impacts your SBF's valve timing precision and overall engine responsiveness. Comp Cams' Ultra Gold series delivers reduced friction and consistent lift across the RPM range, giving you measurable gains in both street and...COM19043-16- SKU:
- COM19043-16
- Availability:
- Ships Same Business Day
- Weight:
- 7.95 LBS
- MFG Part #:
- 19043-16
$433.95 -
Comp Cams SBC Ultra Gold R/A's - 1.5 Ratio 7/16 Stud 19004-16
COMP CAMS
$433.95Maximize your Small Block Chevy's valvetrain efficiency with Comp Cams' Ultra Gold rocker arms, engineered to deliver consistent, reliable performance under demanding racing conditions. The 1.5:1 ratio and full roller design reduce friction while...COM19004-16- SKU:
- COM19004-16
- Availability:
- Ships Same Business Day
- Weight:
- 7.54 LBS
- MFG Part #:
- 19004-16
$433.95 -
Comp Cams SBC Ultra Gold R/A's - 1.6 Ratio 3/8 Stud 19002-16
COMP CAMS
$433.95Comp Cams Ultra Gold rocker arms deliver consistent valve actuation and reduced friction across the entire RPM range, critical for any SBC building serious power. The full roller design minimizes parasitic losses while the 1.6 ratio provides the valve...COM19002-16- SKU:
- COM19002-16
- Availability:
- Ships Same Business Day
- Weight:
- 7.78 LBS
- MFG Part #:
- 19002-16
$433.95 -
Comp Cams SBC Ultra Gold R/A's - 1.5 Ratio 3/8 Stud 19001-16
COMP CAMS
$433.95Comp Cams' Ultra Gold rocker arms deliver consistent valve actuation with minimal friction loss, critical for maintaining peak horsepower across your entire RPM range. The full roller design reduces parasitic drag while the 1.5 ratio provides the valve...COM19001-16- SKU:
- COM19001-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.02 LBS
- MFG Part #:
- 19001-16
$433.95 -
Comp Cams SBF Ultra Pro Magnum XD R/A's - 1.6 7/16 1832-16
COMP CAMS
$584.95If you're running a small block Ford and demand reliable valve train control at high RPM, Comp Cams' Ultra Pro Magnum XD rocker arms deliver the precision geometry and durability required for consistent performance. Full roller design reduces friction...COM1832-16- SKU:
- COM1832-16
- Availability:
- Ships Same Business Day
- Weight:
- 9.15 LBS
- MFG Part #:
- 1832-16
$584.95Qty in Cart: 0Quantity:Price:$584.95Subtotal: -
Comp Cams SBC Ultra Pro Magnum XD R/A's - 1.6 7/16 1805-16
COMP CAMS
$584.95Rocker arm geometry directly impacts valve timing accuracy and lift consistency—two critical factors that separate a well-tuned engine from one leaving power on the table. The Comp Cams Ultra Pro Magnum XD delivers a solid 1.6 ratio with full roller...COM1805-16- SKU:
- COM1805-16
- Availability:
- Ships Same Business Day
- Weight:
- 9.12 LBS
- MFG Part #:
- 1805-16
$584.95 -
Comp Cams SBC Ultra Pro Magnum XD R/A's - 1.5 7/16 1804-16
COMP CAMS
$584.95Rocker arm geometry directly impacts valve timing accuracy and overall engine efficiency—inferior arms introduce deflection that robs you of power and reliability. Comp Cams' Ultra Pro Magnum XD design delivers the rigidity and precision needed for...COM1804-16- SKU:
- COM1804-16
- Availability:
- Ships Same Business Day
- Weight:
- 9.23 LBS
- MFG Part #:
- 1804-16
$584.95 -
Comp Cams SBC Ultra Pro Magnum XD R/A's - 1.5 3/8 1801-16
COMP CAMS
$584.95Rocker arm geometry directly impacts valve timing precision and overall engine efficiency—choosing the wrong ratio costs you horsepower and reliability. Comp Cams' Ultra Pro Magnum XD series delivers consistent, full-roller performance with minimal...COM1801-16- SKU:
- COM1801-16
- Availability:
- Ships Same Business Day
- Weight:
- 9.25 LBS
- MFG Part #:
- 1801-16
$584.95
