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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Manley 3/8 .135 Wall Moly Pushrod - 8.800 Long 25355-1
MANLEY
$19.19Manley pushrods are engineered for high-RPM stability and consistent valve actuation under extreme conditions. The 3/8" chromoly construction with .135" wall thickness delivers the strength needed for forced induction and radical cam profiles without...MAN25355-1- SKU:
- MAN25355-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- 25355-1
$19.19 -
Manley 3/8 .135 Wall Moly Pushrod - 8.700 Long 25353-1
MANLEY
$19.19Manley's chromoly pushrods deliver the precision and durability demanded by high-RPM engines where reliability cannot be compromised. The .135 wall thickness and swedged ends provide superior strength while minimizing weight, critical for maintaining...MAN25353-1- SKU:
- MAN25353-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.24 LBS
- MFG Part #:
- 25353-1
$19.19 -
Manley 3/8 .135 Wall Moly Pushrod - 8.000 Long 25339-1
MANLEY
$19.19Pushrods are the unsung backbone of your valve train—they must withstand thousands of cycles per minute while maintaining precise clearances. Manley's 3/8" moly pushrod delivers the strength and dimensional consistency required for high-RPM engines,...MAN25339-1- SKU:
- MAN25339-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- 25339-1
$19.19Qty in Cart: 0Quantity:Price:$19.19Subtotal: -
Manley 7/16 Moly Pushrod - 8.450 Long 25146-1
MANLEY
$22.72Manley's 7/16" moly pushrod delivers the valve train stability and durability required for high-RPM engine builds. The chromoly construction with swedged ends resists deflection and fatigue—critical for maintaining precise valve timing under sustained...MAN25146-1- SKU:
- MAN25146-1
- Availability:
- Ships Same Business Day
- Weight:
- 0.32 LBS
- MFG Part #:
- 25146-1
$22.72 -
Manley 10 Degree Titanium Retainers 23655-16
MANLEY
$294.30Valve spring retainers are critical to maintaining consistent spring pressure and preventing valve float at high RPM—and titanium construction is the gold standard for minimizing weight while maximizing durability under extreme loads. Manley's 10 Degree...MAN23655-16- SKU:
- MAN23655-16
- Availability:
- Ships Same Business Day
- Weight:
- 0.74 LBS
- MFG Part #:
- 23655-16
$294.30Qty in Cart: 0Quantity:Price:$294.30Subtotal: -
Manley 1.620 Dual Valve Springs - Polished 221445P-16
MANLEY
$598.27If you're building a high-revving engine or upgrading a track car, valve spring performance directly impacts reliability and horsepower delivery. Manley's dual-spring design manages harmonics across the RPM band while the 500 lb/in rate provides the...MAN221445P-16- SKU:
- MAN221445P-16
- Availability:
- Ships Same Business Day
- Weight:
- 6.18 LBS
- MFG Part #:
- 221445P-16
$598.27 -
Manley 1.610 NexTek Dual Valve Springs 221444-16
MANLEY
$529.04Valve spring performance directly impacts engine reliability at high RPM, and Manley's NexTek dual springs deliver the consistent load rates necessary for aggressive cam profiles without coil bind failure. Built with premium materials and precision...MAN221444-16- SKU:
- MAN221444-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.60 LBS
- MFG Part #:
- 221444-16
$529.04 -
Manley 1.560 Dual Valve Springs 221442-16
MANLEY
$598.27If you're pushing your engine to the limit, stock valve springs will let you down. Manley's 1.560 Dual Valve Springs are engineered for sustained high-RPM performance, delivering the spring rate stability and reliability you need when every combustion...MAN221442-16- SKU:
- MAN221442-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.85 LBS
- MFG Part #:
- 221442-16
$598.27Qty in Cart: 0Quantity:Price:$598.27Subtotal: -
Manley SBC S/D 1.600in Exhaust Valves 11869-8
MANLEY
$301.07If you're building or rebuilding a small block Chevy engine that demands reliability under sustained high-RPM conditions, these Manley severe-duty exhaust valves are essential. Stainless construction and precision engineering ensure consistent sealing...MAN11869-8- SKU:
- MAN11869-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
- MFG Part #:
- 11869-8
$301.07 -
Manley SBC S/D 2.080in Intake Valves 11818-8
MANLEY
$301.07Manley's severe-duty intake valves are engineered to handle sustained high-RPM operation and aggressive valve timing without compromise. Built from premium stainless steel, these valves deliver reliable sealing and longevity in competition and street...MAN11818-8- SKU:
- MAN11818-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.74 LBS
- MFG Part #:
- 11818-8
$301.07 -
Manley SBC R/M 2.080in Intake Valves 11812-8
MANLEY
$188.69If you're building or rebuilding a Small Block Chevy engine for serious track duty, intake valve quality directly impacts combustion efficiency, flow characteristics, and overall reliability under sustained high RPM operation. Manley's Race Master line...MAN11812-8- SKU:
- MAN11812-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- MFG Part #:
- 11812-8
$188.69 -
Manley SBC B/P 2.055in Intake Valves 10556-8
MANLEY
$95.12If you're building or rebuilding a Small Block Chevy engine, valve quality directly impacts combustion efficiency and reliability under load. These Manley Budget Series intake valves deliver stainless steel durability at a price point that doesn't...MAN10556-8- SKU:
- MAN10556-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.44 LBS
- MFG Part #:
- 10556-8
$95.12Qty in Cart: 0Quantity:Price:$95.12Subtotal: -
SBC PowerPak Domed Piston Set 4.155 Bore 930208855
MAHLE PISTONS
$914.55Building a high-compression Small Block Chevy engine demands pistons engineered for reliability under extreme cylinder pressures. The SBC PowerPak Domed Piston Set delivers forged construction and precision ring grooves that maintain consistent blow-by...MAH930208855- SKU:
- MAH930208855
- Availability:
- Ships Same Business Day
- Weight:
- 14.00 LBS
- MFG Part #:
- 930208855
$914.55Qty in Cart: 0Quantity:Price:$914.55Subtotal: -
Main Bearing Set MS-429HX
MICHIGAN 77
$123.99Engine longevity depends on bearing quality and oil film integrity—undersized or worn bearings compromise both. The MS-429HX delivers the precision clearances and material consistency your Small Block Chevy needs for reliable power delivery under...M77MS429HX- SKU:
- M77MS429HX
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- MS429HX
$123.99 -
Main Bearing Set MS-429H-10
MICHIGAN 77
$132.99Main bearing clearance is critical to engine longevity—too tight and you risk oil starvation; too loose and you invite catastrophic wear. The MS-429H-10 eliminates guesswork with precision-ground, 0.010-inch undersized bearings engineered specifically...M77MS429H10- SKU:
- M77MS429H10
- Availability:
- Ships Same Business Day
- Weight:
- 1.27 LBS
- MFG Part #:
- MS429H10
$132.99 -
Main Bearing Set MS-1038H-11
MICHIGAN 77
$89.99A quality main bearing set is fundamental to engine durability and reliability, especially when running a small block Chevy at high RPM or under boost. The MS-1038H-11 is engineered to maintain precise clearances and oil film strength, preventing...M77MS1038H11- SKU:
- M77MS1038H11
- Availability:
- Ships Same Business Day
- Weight:
- 1.40 LBS
- MFG Part #:
- MS1038H11
$89.99Qty in Cart: 0Quantity:Price:$89.99Subtotal: -
Main Bearing Set MS-1038H
MICHIGAN 77
$91.99Main bearing wear is one of the most common causes of catastrophic engine failure, especially under sustained high RPM operation. The MS-1038H delivers OEM-quality construction with tight tolerances to maintain proper oil clearance and load distribution...M77MS1038H- SKU:
- M77MS1038H
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- MS1038H
$91.99 -
Rod Bearing CB-745P-40
MAHLE ORIGINAL/CLEVITE
$9.39Proper rod bearing clearance is critical to engine longevity and reliability—undersized bearings compensate for worn journals and restore optimal oil film thickness. The CB-745P-40 delivers the precision fit your Small Block Chevy needs to maintain...M77CB745P40- SKU:
- M77CB745P40
- Availability:
- Ships Same Business Day
- Weight:
- 0.13 LBS
- MFG Part #:
- CB745P40
$9.39Qty in Cart: 0Quantity:Price:$9.39Subtotal: -
Rod Bearing CB-634P-30
MICHIGAN 77
$11.99Connecting rod bearings are critical to engine longevity—they handle extreme pressure and temperature cycles that demand precision engineering and reliable materials. The CB-634P-30 is built with P-Series construction to minimize friction and wear,...M77CB634P30- SKU:
- M77CB634P30
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- CB634P30
$11.99 -
Piston Ring Set 4.060 Moly 1/16 1/16 3/16 315-0036.065
MICHIGAN 77
$195.99A quality piston ring set is fundamental to engine reliability and performance—poor rings lead to blow-by, oil consumption, and lost power. This 4.060 Moly ring set delivers the sealing integrity and durability required for high-performance applications,...M77315-0036.065- SKU:
- M77315-0036.065
- Availability:
- Ships Same Business Day
- Weight:
- 1.01 LBS
- MFG Part #:
- 315-0036.065
$195.99Qty in Cart: 0Quantity:Price:$195.99Subtotal:
