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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SBC 6.25in. Steel Harmonic Balancer - SFI PB1012SS
POWER BOND BALANCERS
$230.99A harmonic balancer is critical for managing crankshaft vibration in high-RPM environments—inadequate damping leads to flex, fatigue, and premature failure. This SBC unit combines race-proven lightweight construction with SFI certification, giving you...PBBPB1012-SS- SKU:
- PBBPB1012-SS
- Availability:
- Ships Same Business Day
- Weight:
- 6.93 LBS
- MFG Part #:
- PB1012SS
$230.99 -
11/32 Valve Lock Set - 10 Degree Steel PAC-L8025
PAC RACING SPRINGS
$6.14Valve locks are critical components that keep your valve springs compressed and secure under extreme RPM and load conditions. Without reliable locks, you risk valve float, loss of compression, and catastrophic engine failure. The PAC-L8025 delivers the...PACPAC-L8025- SKU:
- PACPAC-L8025
- Availability:
- Ships Same Business Day
- Weight:
- 0.25 LBS
- MFG Part #:
- PAC-L8025
$6.14 -
SBC Billet Connecting Rod Set 6.200 C6200STLT8
OLIVER RODS
$1,599.97When building or rebuilding a Small Block Chevy engine, connecting rod quality directly impacts reliability, power delivery, and longevity. These billet rods combine forged steel durability with precision CNC manufacturing to handle sustained high RPM...OLVC6200STLT8- SKU:
- OLVC6200STLT8
- Availability:
- Ships Same Business Day
- Weight:
- 13.06 LBS
- MFG Part #:
- C6200STLT8
$1,599.97 -
SBC Billet Connecting Rod Set 6.125 C6125STLT8
OLIVER RODS
$1,599.97A quality connecting rod is the backbone of any reliable high-revving Small Block Chevy engine. The SBC Billet Connecting Rod Set delivers the strength and precision needed for sustained performance, whether you're building a race engine or a...OLVC6125STLT8- SKU:
- OLVC6125STLT8
- Availability:
- Ships Same Business Day
- Weight:
- 13.00 LBS
- MFG Part #:
- C6125STLT8
$1,599.97Qty in Cart: 0Quantity:Price:$1,599.97Subtotal: -
SBC Billet Connecting Rod Set 6.000 C6000STUL8
OLIVER RODS
$1,599.97Lightweight billet construction reduces rotational mass and inertia, allowing your engine to achieve higher RPMs with greater efficiency and responsiveness. These ultra-light connecting rods transfer power more directly to your crankshaft while...OLVC6000STUL8- SKU:
- OLVC6000STUL8
- Availability:
- Ships Same Business Day
- Weight:
- 11.63 LBS
- MFG Part #:
- C6000STUL8
$1,599.97 -
SBC Billet Connecting Rod Set 6.000 C6000STLT8
OLIVER RODS
$1,599.97Small Block Chevy engines demand connecting rods that can handle sustained RPM and power levels without compromise. The SBC Billet Connecting Rod Set C6000STLT8 delivers the strength and precision required for reliable high-performance operation, whether...OLVC6000STLT8- SKU:
- OLVC6000STLT8
- Availability:
- Ships Same Business Day
- Weight:
- 12.75 LBS
- MFG Part #:
- C6000STLT8
$1,599.97 -
SBC Billet Connecting Rod Set 6.000 C6000SMUL8
OLIVER RODS
$1,599.97A quality connecting rod set is fundamental to engine reliability and power delivery, especially in high-RPM or forced-induction applications. These billet rods deliver the strength and precision needed to handle aggressive power levels while maintaining...OLVC6000SMUL8- SKU:
- OLVC6000SMUL8
- Availability:
- Ships Same Business Day
- Weight:
- 11.54 LBS
- MFG Part #:
- C6000SMUL8
$1,599.97 -
SBC Billet Connecting Rod Set 6.000 C6000SMLT8
OLIVER RODS
$1,599.97If you're building or rebuilding a small block Chevy engine for serious power, your connecting rods are carrying the load—literally. The SBC Billet Connecting Rod Set C6000SMLT8 delivers the strength and precision you need to handle high RPM loads while...OLVC6000SMLT8- SKU:
- OLVC6000SMLT8
- Availability:
- Ships Same Business Day
- Weight:
- 12.62 LBS
- MFG Part #:
- C6000SMLT8
$1,599.97 -
Pin Bushing - SB Thick Wall (1) BSH027
OLIVER RODS
$18.42A precision wrist pin bushing is critical for maintaining proper piston-to-rod clearance and reducing friction at the small end of your connecting rod. This thick-wall design offers superior durability under high-rpm load cycles, making it an essential...OLVBSH027- SKU:
- OLVBSH027
- Availability:
- Ships Same Business Day
- Weight:
- 0.04 LBS
- MFG Part #:
- BSH027
$18.42 -
Pin Bushing - SB Thin Wall (1) BSH011
OLIVER RODS
$20.09A precision wrist pin bushing is critical for maintaining proper clearance and reducing friction in high-revving engines where connecting rod geometry demands exact tolerances. The SB Thin Wall design minimizes weight while delivering the durability...OLVBSH011- SKU:
- OLVBSH011
- Availability:
- Ships Same Business Day
- Weight:
- 0.01 LBS
- MFG Part #:
- BSH011
$20.09 -
MSD Timing Tape Kit for 5.25 to 8 inch Harmonic Balancers 8985
MSD IGNITION
$8.49Accurate ignition timing is non-negotiable for consistent engine performance and reliability. The MSD Timing Tape Kit eliminates guesswork by providing eight precision-marked tapes that fit harmonic balancers across a wide diameter range, allowing you to...MSD8985- SKU:
- MSD8985
- Availability:
- Ships Same Business Day
- Weight:
- 0.03 LBS
- MFG Part #:
- 8985
$8.49 -
MSD Billet Distributor Hold Down Clamp 1.25" Inside Diameter Steel Zinc Plated 8110
MSD IGNITION
$61.25A loose distributor is the enemy of consistent ignition timing—and consistent timing is the foundation of reliable engine performance. The MSD 8110 Billet Distributor Hold Down Clamp locks your distributor in place with zero play, preventing the timing...MSD8110- SKU:
- MSD8110
- Availability:
- Ships Same Business Day
- Weight:
- 0.38 LBS
- MFG Part #:
- 8110
$61.25 -
MSD CNC Distributor Hold Down Clamp for Ford 1964-2021 8010MSD
MSD IGNITION
$89.15Distributor drift under load will kill your ignition timing and cost you horsepower—or worse, reliability. The MSD CNC Distributor Hold Down Clamp locks your distributor in place with a rigid, vibration-resistant design that maintains precise timing...MSD8010- SKU:
- MSD8010
- Availability:
- Ships Same Business Day
- Weight:
- 0.33 LBS
- MFG Part #:
- 8010MSD
$89.15 -
Mr. Gasket 4 Deg Short (3/4in) Crank key 988G
MR. GASKET
$35.59A properly functioning crankshaft key is critical for maintaining timing accuracy and preventing harmonic imbalances that can lead to catastrophic engine failure. This Mr. Gasket 4-degree offset key is engineered to correct timing issues on classic...MRG988G- SKU:
- MRG988G
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 988G
$35.59 -
Mr. Gasket 2 Deg Short (3/4in) Crank Key 987G
MR. GASKET
$23.13A crankshaft key is a critical component that locks your harmonic balancer and pulley system to the crank, preventing slippage under high RPM and boost conditions. Mr. Gasket's 2-degree offset design compensates for timing variations in forced induction...MRG987G- SKU:
- MRG987G
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 987G
$23.13 -
Mr. Gasket Short (3/4in) Crank Key 984G
MR. GASKET
$35.55A properly installed crankshaft key is fundamental to reliable engine operation—it locks your crankshaft pulley in place and prevents timing drift under high load conditions. The Mr. Gasket 984G delivers the precision fit and durability required for both...MRG984G- SKU:
- MRG984G
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 984G
$35.55 -
Mr. Gasket Long (1-3/8in) Crank Key 983G
MR. GASKET
$35.59A properly secured crankshaft key is critical for reliable engine performance, especially in high-RPM applications where harmonic forces can cause pulley slippage and ignition timing issues. The Mr. Gasket 983G delivers the precision fit and durability...MRG983G- SKU:
- MRG983G
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
- MFG Part #:
- 983G
$35.59 -
Mr. Gasket SBC Cam Bolt Lock Plt Ki 948G
MR. GASKET
$21.32Camshaft timing integrity is non-negotiable in high-performance engine builds, and a secure locking plate is your first line of defense against unwanted cam walk during aggressive driving or high-RPM operation. The Mr. Gasket SBC Cam Bolt Lock Plate Kit...MRG948G- SKU:
- MRG948G
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- 948G
$21.32 -
Mr. Gasket Cam Bushing Kit Chevy - Even # Bushings 85
MR. GASKET
$38.99Camshaft timing is critical to engine performance, and even small degree variations can significantly impact power delivery, fuel efficiency, and overall drivability. The Mr. Gasket Cam Bushing Kit gives you precise control over cam timing adjustments,...MRG85- SKU:
- MRG85
- Availability:
- Ships Same Business Day
- Weight:
- 0.05 LBS
- MFG Part #:
- 85
$38.99 -
Mr. Gasket 7in. Tmg. Tab Late Sb Chevy 4600
MR. GASKET
$12.75Accurate ignition timing is the foundation of engine performance, and this Mr. Gasket timing tab gives you the precision tool to dial in your Small Block Chevy's ignition curve with confidence. Whether you're tuning a street engine or maximizing power on...MRG4600- SKU:
- MRG4600
- Availability:
- Ships Same Business Day
- Weight:
- 0.14 LBS
- MFG Part #:
- 4600
$12.75
