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 SBF Rocker Arm Set - 1.6 Ratio 7/16 Stud 1632-16
COMP CAMS
$476.95SBF Rocker Arm Set - 1.6 Ratio 7/16 StudRocker ArmUltra Pro Magnum7/16 in Stud Mount1.60 RatioFull RollerChromolySmall Block FordSet of 16COM1632-16- SKU:
- COM1632-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.80 LBS
- MFG Part #:
- 1632-16
$476.95 -
Comp Cams SBF Rocker Arm Set - 1/6 Ratio 3/8 Stud 1631-16
COMP CAMS
$467.95SBF Rocker Arm Set - 1/6 Ratio 3/8 StudRocker ArmUltra Pro Magnum3/8 in Stud Mount1.60 RatioFull RollerChromolySmall Block FordSet of 16COM1631-16- SKU:
- COM1631-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.92 LBS
- MFG Part #:
- 1631-16
$467.95 -
Comp Cams SBC Rocker Arm Set - 1.6 Ratio 3/8 Stud 1618-16
COMP CAMS
$467.95SBC Rocker Arm Set - 1618-16 Designed for Small Block Chevy engines 1.6 ratio for enhanced performance Full roller design for smooth operation Durable chromoly construction for long-lasting use 3/8 inch stud mount for easy installation Includes a...COM1618-16- SKU:
- COM1618-16
- Availability:
- Ships Same Business Day
- Weight:
- 9.15 LBS
- MFG Part #:
- 1618-16
$467.95Qty in Cart: 0Quantity:Price:$467.95Subtotal: -
Comp Cams SBC Rocker Arm Set - 1.52 Ratio 3/8 Stud 1617-16
COMP CAMS
$467.95SBC Rocker Arm Set - 1617-16 Designed for Small Block Chevy applications High-performance Ultra Pro Magnum series Features a durable 3/8 in stud mount 1.52 ratio for enhanced valve lift Full roller design for reduced friction Constructed from...COM1617-16- SKU:
- COM1617-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.93 LBS
- MFG Part #:
- 1617-16
$467.95 -
Comp Cams SBC Rocker Arm Set - 1.6 Ratio 7/16 Stud 1605-16
COMP CAMS
$476.95SBC Rocker Arm Set - 1.6 Ratio 7/16 StudRocker ArmUltra Pro Magnum7/16 in Stud Mount1.60 RatioFull RollerChromolySmall Block ChevySet of 16COM1605-16- SKU:
- COM1605-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.83 LBS
- MFG Part #:
- 1605-16
$476.95 -
Comp Cams SBC Rocker Arm Set - 1.52 Ratio 7/16 Stud 1604-16
COMP CAMS
$476.95SBC Rocker Arm Set - 1.52 Ratio 7/16 StudRocker ArmUltra Pro Magnum7/16 in Stud Mount1.52 RatioFull RollerChromolySmall Block ChevySet of 16COM1604-16- SKU:
- COM1604-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.82 LBS
- MFG Part #:
- 1604-16
$476.95 -
Comp Cams SBC Rocker Arm Set - 1.6 Ratio 3/8 Stud 1602-16
COMP CAMS
$467.95SBC Rocker Arm Set - 1602-16 Designed for Small Block Chevy engines 1.6 ratio for optimal performance Full roller design for reduced friction Constructed from durable chromoly material Includes a complete set of 16 rocker arms 3/8 inch stud mount for...COM1602-16- SKU:
- COM1602-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.92 LBS
- MFG Part #:
- 1602-16
$467.95 -
Comp Cams SBC Rocker Arm Set - 1.52 Ratio 3/8 Stud 1601-16
COMP CAMS
$467.95SBC Rocker Arm Set - 1601-16 Precision-engineered rocker arm for optimal performance Ultra Pro Magnum design ensures durability and reliability 3/8 inch stud mount for easy installation 1.52 ratio enhances valve lift for increased power Full roller...COM1601-16- SKU:
- COM1601-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.94 LBS
- MFG Part #:
- 1601-16
$467.95 -
Comp Cams LS Shaft Rocker Arm Kit 1.7 Ratio LS1/LS2/LS6 1500
COMP CAMS
$1,705.95LS Shaft Rocker Arm Kit 1.7 Ratio LS1/LS2/LS6Rocker ArmCOMPShaft Mount1.70 RatioFull RollerAluminumNaturalGM LS-SeriesKitCOM1500- SKU:
- COM1500
- Availability:
- Ships Same Business Day
- Weight:
- 14.77 LBS
- MFG Part #:
- 1500
$1,705.95 -
Comp Cams Sbf&Olds V8 Mag Rocker Arms 3/8 Stud/1.6 Ratio 1442-16
COMP CAMS
$217.95Sbf&Olds V8 Mag Rocker Arms 3/8 Stud/1.6 RatioRocker ArmMagnum3/8 in Stud Mount1.60 RatioRoller TipChromolyVarious V8 ApplicationsSet of 16COM1442-16- SKU:
- COM1442-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.41 LBS
- MFG Part #:
- 1442-16
$217.95 -
Comp Cams Sb Ford 1968-89 Mag Rock Arms 3/8 Stud/1.6 Ratio 1431-16
COMP CAMS
$217.95Sb Ford 1968-89 Mag Rock Arms 3/8 Stud/1.6 RatioRocker ArmMagnum3/8 in Stud Mount1.60 RatioRoller TipChromolySmall Block FordSet of 16COM1431-16- SKU:
- COM1431-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
- MFG Part #:
- 1431-16
$217.95 -
Comp Cams SBC Magnum Rlr/Tip R/A's 1.6 Ratio 3/8in Stud 1418-16
COMP CAMS
$240.95SBC Magnum Rlr/Tip R/A's 1.6 Ratio 3/8in StudRocker ArmMagnum3/8 in Stud Mount1.60 RatioRoller TipChromolySmall Block ChevySet of 16COM1418-16- SKU:
- COM1418-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 1418-16
$240.95 -
Comp Cams Sbc 1987-Up Mag Rocker Arms 3/8 Stud/1.52 Ratio 1417-16
COMP CAMS
$240.95Sbc 1987-Up Mag Rocker Arms 3/8 Stud/1.52 RatioRocker ArmMagnum3/8 in Stud Mount1.52 RatioRoller TipChromolySmall Block ChevySet of 16COM1417-16- SKU:
- COM1417-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.04 LBS
- MFG Part #:
- 1417-16
$240.95 -
Comp Cams Sbc Mag-Roller Rocker Arms 3/8 Stud/1.6 Ratio 1416-16
COMP CAMS
$217.95Sbc Mag-Roller Rocker Arms 3/8 Stud/1.6 RatioRocker ArmMagnum3/8 in Stud Mount1.60 RatioRoller TipChromolySmall Block ChevySet of 16COM1416-16- SKU:
- COM1416-16
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- MFG Part #:
- 1416-16
$217.95 -
Comp Cams Sbc Mag-Roller Rocker Arms 3/8 Stud/1.52 Ratio 1412-16
COMP CAMS
$217.95Sbc Mag-Roller Rocker Arms 3/8 Stud/1.52 RatioRocker ArmMagnum3/8 in Stud Mount1.52 RatioRoller TipChromolySmall Block ChevySet of 16COM1412-16- SKU:
- COM1412-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.07 LBS
- MFG Part #:
- 1412-16
$217.95 -
Comp Cams SBC Solid Roller Cam 290A-R6 12-940-9
COMP CAMS
$531.95SBC Solid Roller Cam 290A-R6CamshaftMechanical RollerLift 0.645 / 0.630 inDuration 290 / 300106 LSA3000 / 7000 RPMSmall Block ChevyEachCOM12-940-9- SKU:
- COM12-940-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.90 LBS
- MFG Part #:
- 12-940-9
$531.95 -
Comp Cams Sbc Billet Cam Cs-312Ar-7 Solid Roller 12-906-9
COMP CAMS
$531.95Sbc Billet Cam Cs-312Ar-7 Solid RollerCamshaftMechanical RollerLift 0.630 / 0.630 inDuration 312 / 322107 LSA4500 / 7500 RPMSmall Block ChevyEachCOM12-906-9- SKU:
- COM12-906-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.81 LBS
- MFG Part #:
- 12-906-9
$531.95 -
Comp Cams Sbc Billet Cam Cs-292Ar-6 Solid Roller 12-901-9
COMP CAMS
$531.95Sbc Billet Cam Cs-292Ar-6 Solid RollerCamshaftMechanical RollerLift 0.630 / 0.630 inDuration 292 / 296106 LSA3500 / 6500 RPMSmall Block ChevyEachCOM12-901-9- SKU:
- COM12-901-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.77 LBS
- MFG Part #:
- 12-901-9
$531.95 -
Comp Cams SBC Roller Camshaft 292CR-6 12-890-9
COMP CAMS
$531.95SBC Roller Camshaft 292CR-6CamshaftMechanical Roller4/7 SwapLift 0.660 / 0.630 inDuration 292 / 308106 LSA4500 / 7500 RPMSmall Block ChevyEachCOM12-890-9- SKU:
- COM12-890-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.24 LBS
- MFG Part #:
- 12-890-9
$531.95 -
Comp Cams SBC Xtreme TK C/T Solid Roller Cam 12-863-9
COMP CAMS
$531.95SBC Xtreme TK C/T Solid Roller CamCamshaftXtreme TKMechanical Roller4/7 SwapLift 0.648 / 0.645 inDuration 291 / 304108 LSA3400 / 7600 RPMSmall Block ChevyEachCOM12-863-9- SKU:
- COM12-863-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.16 LBS
- MFG Part #:
- 12-863-9
$531.95
