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
-
Comp Cams Spring Locator 1.550 O.D .570 I.D. .040 Thickness 4759-16
COMP CAMS
$68.95Spring Locator 1.550 O.D .570 I.D. .040 ThicknessValve Spring LocatorInside0.040 in Thick1.550 in OD0.570 in ID0.810 in Spring IDSteelSet of 16COM4759-16- SKU:
- COM4759-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.30 LBS
- MFG Part #:
- 4759-16
$68.95 -
Comp Cams 1.500 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4757
COMP CAMS
$44.951.500 O.D. Spring Shim Kit 16 Ea .015-.030-.060Valve Spring Shim Kit0.015 / 0.030 / 0.060 in Thick1.500 in ODSteelKitCOM4757- SKU:
- COM4757
- Availability:
- Ships Same Business Day
- Weight:
- 0.81 LBS
- MFG Part #:
- 4757
$44.95 -
Comp Cams 1.640 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4756
COMP CAMS
$44.951.640 O.D. Spring Shim Kit 16 Ea .015-.030-.060Valve Spring Shim Kit0.015 / 0.030 / 0.060 in Thick1.640 in ODSteelKitCOM4756- SKU:
- COM4756
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 4756
$44.95 -
Comp Cams 1.480 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4755
COMP CAMS
$44.951.480 O.D. Spring Shim Kit 16 Ea .015-.030-.060Valve Spring Shim Kit0.015 / 0.030 / 0.060 in Thick1.480 in ODSteelKitCOM4755- SKU:
- COM4755
- Availability:
- Ships Same Business Day
- Weight:
- 0.73 LBS
- MFG Part #:
- 4755
$44.95 -
Comp Cams 1.437 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4754
COMP CAMS
$44.951.437 O.D. Spring Shim Kit 16 Ea .015-.030-.060Valve Spring Shim Kit0.015 / 0.030 / 0.060 in Thick1.437 in ODSteelKitCOM4754- SKU:
- COM4754
- Availability:
- Ships Same Business Day
- Weight:
- 0.76 LBS
- MFG Part #:
- 4754
$44.95 -
Comp Cams 1.250 O.D. Spring Shim Kit 16 Ea .015-.030-.060 4753
COMP CAMS
$44.951.250 O.D. Spring Shim Kit 16 Ea .015-.030-.060Valve Spring Shim Kit0.015 / 0.030 / 0.060 in Thick1.250 in ODSteelKitCOM4753- SKU:
- COM4753
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- 4753
$44.95 -
Comp Cams 1.69in Valve Spring Seat Cups 4708-16
COMP CAMS
$135.951.69in Valve Spring Seat CupsValve Spring LocatorOutside0.060 in Thick1.780 in OD0.640 in ID1.690 in Spring ODSteelSet of 16COM4708-16- SKU:
- COM4708-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.83 LBS
- MFG Part #:
- 4708-16
$135.95 -
Comp Cams Spring Seat Cup .060 .640 O.D. 1.580 I.D. 4704-16
COMP CAMS
$68.95Spring Seat Cup .060 .640 O.D. 1.580 I.D.Valve Spring LocatorOutside0.060 in Thick1.570 in OD0.640 in ID1.475 in Spring ODSteelSet of 16COM4704-16- SKU:
- COM4704-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.78 LBS
- MFG Part #:
- 4704-16
$68.95 -
Comp Cams Spring Seat Cup .060 .640 I.D. 1.740 O.D. 4702-16
COMP CAMS
$68.95Spring Seat Cup .060 .640 I.D. 1.740 O.D.Valve Spring LocatorOutside0.060 in Thick1.730 in OD0.640 in ID1.650 in Spring ODSteelSet of 16COM4702-16- SKU:
- COM4702-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 4702-16
$68.95 -
Comp Cams Spring Seat Cup .060 .640 I.D./1.680 O.D. 4700-16
COMP CAMS
$68.95Spring Seat Cup .060 .640 I.D./1.680 O.D.Valve Spring LocatorOutside0.060 in Thick1.670 in OD0.640 in ID1.565 in Spring ODSteelSet of 16COM4700-16- SKU:
- COM4700-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
- MFG Part #:
- 4700-16
$68.95 -
Comp Cams Valve Spring Locator for #26120 .570in ID 4696-16
COMP CAMS
$68.95Valve Spring Locator for #26120 .570in IDValve Spring LocatorInside0.060 in Thick1.510 in OD0.570 in ID0.970 in Spring IDSteelSet of 16COM4696-16- SKU:
- COM4696-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 4696-16
$68.95 -
Comp Cams SBC/BBC Cam Locking Plate 4605
COMP CAMS
$10.95SBC/BBC Cam Locking PlateCamshaft Locking PlateBolts IncludedSteelChevy V6 / V8KitCOM4605- SKU:
- COM4605
- Availability:
- Ships Same Business Day
- Weight:
- 0.11 LBS
- MFG Part #:
- 4605
$10.95 -
Comp Cams SBC 7/16in Stud Girdle Kit - 40/60 Spacing 4018
COMP CAMS
$314.95SBC 7/16in Stud Girdle Kit - 40/60 SpacingRocker Arm Stud Girdle7/16-20 in Thread StudsAluminumRed AnodizedSmall Block ChevyKitCOM4018- SKU:
- COM4018
- Availability:
- Ships Same Business Day
- Weight:
- 8.27 LBS
- MFG Part #:
- 4018
$314.95 -
Comp Cams SB Ford Stud Girdle 7/16 Stud Standard Head 4014
COMP CAMS
$289.95SB Ford Stud Girdle 7/16 Stud Standard HeadRocker Arm Stud Girdle7/16-20 in Thread StudsAluminumRed AnodizedSmall Block FordKitCOM4014- SKU:
- COM4014
- Availability:
- Ships Same Business Day
- Weight:
- 6.26 LBS
- MFG Part #:
- 4014
$289.95 -
Comp Cams Sbc Stud Girdle 7/16 Stud Solid Bar Design 4009
COMP CAMS
$289.95Sbc Stud Girdle 7/16 Stud Solid Bar DesignRocker Arm Stud Girdle7/16-20 in Thread StudsAluminumRed AnodizedSmall Block ChevyKitCOM4009- SKU:
- COM4009
- Availability:
- Ships Same Business Day
- Weight:
- 6.42 LBS
- MFG Part #:
- 4009
$289.95 -
Comp Cams Sbc Stud Girdle 3/8 Stud Solid Bar Design 4007
COMP CAMS
$289.95Sbc Stud Girdle 3/8 Stud Solid Bar DesignRocker Arm Stud Girdle3/8-24 in Thread StudsAluminumRed AnodizedSmall Block ChevyKitCOM4007- SKU:
- COM4007
- Availability:
- Ships Same Business Day
- Weight:
- 6.65 LBS
- MFG Part #:
- 4007
$289.95Qty in Cart: 0Quantity:Price:$289.95Subtotal: -
Comp Cams Sbc Stud Girdle 7/16 Stud Spring Loaded Type 4004
COMP CAMS
$316.95Sbc Stud Girdle 7/16 Stud Spring Loaded TypeRocker Arm Stud Girdle7/16-20 in Thread StudsAluminumRed AnodizedSmall Block ChevyKitCOM4004- SKU:
- COM4004
- Availability:
- Ships Same Business Day
- Weight:
- 8.19 LBS
- MFG Part #:
- 4004
$316.95 -
Comp Cams SBC Roller Cam Bearing Kit 350RCB-KIT
COMP CAMS
$119.95SBC Roller Cam Bearing KitCamshaft BearingStandard JournalRollerSmall Block Chevy / MoparKitCOM350RCB-KIT- SKU:
- COM350RCB-KIT
- Availability:
- Ships Same Business Day
- Weight:
- 1.07 LBS
- MFG Part #:
- 350RCB-KIT
$119.95 -
Comp Cams SBF OEM Cam Plate 3120TB
COMP CAMS
$152.95SBF OEM Cam Plate Camshaft Thrust Bearing0.142 in ThickRollerSteelSmall Block FordKitCOM3120TB- SKU:
- COM3120TB
- Availability:
- Ships Same Business Day
- Weight:
- 0.40 LBS
- MFG Part #:
- 3120TB
$152.95Qty in Cart: 0Quantity:Price:$152.95Subtotal: -
Comp Cams Sbc Hi-Tech Roller Tim/ Set Wo/Fac Roller Cam 3100
COMP CAMS
$83.95Sbc Hi-Tech Roller Tim/ Set Wo/Fac Roller CamTiming Chain SetHi-TechDouble RollerCast Iron / Billet SteelSmall Block Chevy / GM V6KitCOM3100- SKU:
- COM3100
- Availability:
- Ships Same Business Day
- Weight:
- 3.17 LBS
- MFG Part #:
- 3100
$83.95
