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
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Total Seal GP Piston Ring Set 4.170 Bore 1/16 1/16 3/16 CR0690GP 45
TOTAL SEAL
$346.63Total Seal's GP Piston Ring Set delivers the sealing precision and blowby control that separates competitive engines from the rest. Whether you're building a high-revving naturally aspirated engine or fine-tuning a forced induction platform, these rings...TOTCR0690GP-45- SKU:
- TOTCR0690GP-45
- Availability:
- Ships Same Business Day
- Weight:
- 1.08 LBS
$346.63Qty in Cart: 0Quantity:Price:$346.63Subtotal: -
SBC FT Piston Set 4.020 Bore GM 602 Crate Engine 324859
SPORTSMAN RACING PRODUCTS
$849.99If you're running a GM Performance 602 crate engine and need reliable compression and controlled combustion, this forged piston set delivers the precision engineering required for consistent performance. The minus 10.0 cc dish and optimized ring grooves...SRP324859- SKU:
- SRP324859
- Availability:
- Ships Same Business Day
- Weight:
- 16.00 LBS
$849.99 -
SBF Roller Rocker Arm Set 1.6 Ratio 7/16 Stud S4102
SHARP ROCKERS
$425.99If you're building or rebuilding a Small Block Ford engine, roller rocker arms are essential for maximizing valve control and reducing parasitic drag on your valvetrain. The 1.6:1 ratio geometry increases valve lift while the full roller design cuts...SHPS4102- SKU:
- SHPS4102
- Availability:
- Ships Same Business Day
- Weight:
- 6.90 LBS
$425.99 -
Sandwich Filter Adapter 22mmx1.5mm Filter Thread 19-SPT76-22-180-22
SETRAB OIL COOLERS
$103.53A sandwich filter adapter is essential for integrating modern oil filtration or cooling systems into custom engine builds where direct-mount options don't fit your layout. This 22mm x 1.5mm threaded adapter maintains proper flow rates and pressure...SET19-SPT76-22-180-22- SKU:
- SET19-SPT76-22-180-22
- Availability:
- Ships Same Business Day
- Weight:
- 0.70 LBS
$103.53Qty in Cart: 0Quantity:Price:$103.53Subtotal: -
SBC 4340 Forged Crank - 4.000 Stroke 7-400-4000-6000
SCAT ENTERPRISES
$1,004.99A forged crankshaft is the foundation of any reliable high-revving engine build. The Excalibur SBC 4340 crankshaft delivers the stroke and material strength needed to handle sustained performance demands without sacrificing durability. With external...SCA7-400-4000-6000- SKU:
- SCA7-400-4000-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$1,004.99 -
Ford 351C 4340 Forged Crank 3.500 Stroke 4-351C-3500-6000
SCAT ENTERPRISES
$1,106.99A forged steel crankshaft is the backbone of any high-revving engine build, and this 351C unit delivers the strength and precision needed to handle aggressive power levels without compromising reliability. Built from 4340 forged steel with a 3.500-inch...SCA4-351C-3500-6000- SKU:
- SCA4-351C-3500-6000
- Availability:
- Ships Same Business Day
- Weight:
- 54.00 LBS
$1,106.99 -
LS Aluminum Block - 4.120 Bore 9.240 D/H 54903U
RACING HEAD SERVICE
$6,575.95Building a high-displacement LS engine demands a foundation that can handle increased bore diameters and sustained power delivery. This aluminum LS block gives you the structural integrity and lightweight advantage you need to support aggressive builds...RHS54903U- SKU:
- RHS54903U
- Availability:
- Ships Same Business Day
- Weight:
- 140.00 LBS
$6,575.95 -
Oil Filter Mount 3/4in- 16 Ports: 1/2in NPT 1711
PERMA-COOL
$39.72A remote oil filter mount gives you the flexibility to relocate your filter away from the engine bay, reducing underhood heat and simplifying maintenance access. This aluminum mount integrates seamlessly into custom cooling systems and tight engine...PRM1711- SKU:
- PRM1711
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$39.72 -
Std. Oil Filter Relocati on Kit 10691
PERMA-COOL
$95.90Remote oil filtration keeps your engine bay cooler and cleaner by relocating the filter away from heat sources, improving oil circulation and reducing ambient temperatures around critical engine components. This bolt-on kit eliminates the need for custom...PRM10691- SKU:
- PRM10691
- Availability:
- Ships Same Business Day
- Weight:
- 3.40 LBS
$95.90 -
GM OE LS Rocker Trunnion Upgrade Kit 1213462
PRW INDUSTRIES, INC.
$138.68Stock LS rocker arms experience wear under sustained high-RPM operation, leading to valve timing degradation and potential catastrophic failure. This chromoly trunnion upgrade kit addresses that weakness by replacing factory components with hardened,...PQX1213462- SKU:
- PQX1213462
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
$138.68 -
SBC Billet LW Connecting Rods 6.000 w/ 3/8 Bolts C6000Q4UL8
OLIVER RODS
$1,599.97If you're building a high-RPM small-block Chevy that demands reliability under extreme load, billet connecting rods are non-negotiable. These CNC-machined components eliminate the weak points of cast iron stock rods, giving you the structural integrity...OLVC6000Q4UL8- SKU:
- OLVC6000Q4UL8
- Availability:
- Ships Same Business Day
- Weight:
- 11.05 LBS
$1,599.97 -
Moroso Billet Alm Valve Covers GM LT1/LT4/L86 68494
MOROSO
$1,198.99A quality valve cover isn't just about aesthetics—it protects your engine's most critical components while providing reliable access for maintenance. Moroso's billet aluminum design offers superior heat dissipation and durability compared to cast...MOR68494- SKU:
- MOR68494
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
$1,198.99Qty in Cart: 0Quantity:Price:$1,198.99Subtotal: -
Moroso SBC Valve Cover Spacers w/Spring Oiling Rails 68330
MOROSO
$608.99Proper valve cover spacing and rocker arm oiling are critical for engine reliability under sustained rpm and boost conditions. The Moroso SBC Valve Cover Spacers with Spring Oiling Rails eliminate guesswork by delivering consistent oil flow to rocker...MOR68330- SKU:
- MOR68330
- Availability:
- Ships Same Business Day
- Weight:
- 2.80 LBS
$608.99Qty in Cart: 0Quantity:Price:$608.99Subtotal: -
LS1 High Pressure Oil Pump 10295
MELLING
$155.99Consistent oil pressure is non-negotiable when you're pushing your LS engine to its limits. The LS1 High Pressure Oil Pump 10295 delivers the flow and pressure your engine demands during sustained high-RPM operation, protecting critical bearing surfaces...MEL10295- SKU:
- MEL10295
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
$155.99 -
Manley LS1 S/D 1.550 Exhaust Valves 11673-8
MANLEY
$301.07When you're building or rebuilding an LS engine for serious power, valve quality directly impacts combustion efficiency, durability, and peak performance. Manley's stainless steel exhaust valves are engineered to withstand extreme temperatures and...MAN11673-8- SKU:
- MAN11673-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.99 LBS
$301.07 -
SBF PowerPak F/T Piston Set 4.125 Bore 930244825
MAHLE PISTONS
$790.44If you're building a high-compression Small Block Ford engine, piston selection directly impacts combustion efficiency, detonation control, and power output. The SBF PowerPak F/T Piston Set delivers a reliable, forged construction with a flat-top design...MAH930244825- SKU:
- MAH930244825
- Availability:
- Ships Same Business Day
- Weight:
- 15.00 LBS
$790.44 -
Piston Ring Set 4.000 1.5 1.5 3.0mm 4005MS-15
MAHLE PISTONS
$158.86Piston rings are critical to engine sealing, compression, and oil control—neglecting quality rings leads to blow-by, power loss, and accelerated wear. The 4005MS-15 delivers plasma-moly coated reliability across all eight cylinders, maintaining...MAH4005MS-15- SKU:
- MAH4005MS-15
- Availability:
- Ships Same Business Day
- Weight:
- 0.85 LBS
$158.86 -
Main Bearing Set MS-1432P-30
MICHIGAN 77
$77.99A quality main bearing set is the foundation of any reliable engine build—without proper bearing clearance and support, even the strongest bottom end will fail prematurely under load. The MS-1432P-30 delivers OEM-level precision with 0.030" undersize...M77MS1432P30- SKU:
- M77MS1432P30
- Availability:
- Ships Same Business Day
- Weight:
- 1.53 LBS
$77.99 -
Coated Rod Bearing CB-663HNK-20
MICHIGAN 77
$14.99Connecting rod bearings are critical to engine longevity and reliability—they're the foundation that keeps your crankshaft spinning smoothly under extreme loads. The CB-663HNK-20 delivers precision-engineered performance with a durable coating that...M77CB663HNK20- SKU:
- M77CB663HNK20
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
$14.99Qty in Cart: 0Quantity:Price:$14.99Subtotal: -
Rod Bearing - SBC with Honda 1.888in Journal CB-1663H-1
MAHLE ORIGINAL/CLEVITE
$17.49Precision rod bearings are critical to engine reliability, especially when you're pushing your Small Block Chevy to its limits. This H-Series bearing delivers the tight tolerances and durable construction needed for consistent performance under sustained...M77CB1663H1- SKU:
- M77CB1663H1
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$17.49Qty in Cart: 0Quantity:Price:$17.49Subtotal: