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 SBC P/F 2.080in Intake Valves 11772-8
MANLEY
$301.07If you're building a high-revving small block Chevy engine or rebuilding tired heads for severe duty use, valve quality directly impacts reliability and peak performance. Manley's stainless steel intake valves are engineered to withstand extreme...MAN11772-8- SKU:
- MAN11772-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.48 LBS
- MFG Part #:
- 11772-8
$301.07 -
Manley SBC S/D 1.625in Exhaust Valves 11763-8
MANLEY
$301.07When you're pushing your Small Block Chevy to its limits, stock exhaust valves become the bottleneck—literally. Manley's Severe Duty exhaust valves are engineered to handle sustained high RPM abuse, extreme temperatures, and aggressive valve spring...MAN11763-8- SKU:
- MAN11763-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- MFG Part #:
- 11763-8
$301.07 -
Manley SBC S/D 1.600in Exhaust Valves 11755-8
MANLEY
$301.07If you're running a serious small block Chevy build, your exhaust valves take the hardest abuse in your cylinder head—and OEM pieces simply won't hold up under sustained high RPM operation. Manley's severe duty exhaust valves are engineered to handle...MAN11755-8- SKU:
- MAN11755-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.37 LBS
- MFG Part #:
- 11755-8
$301.07 -
Manley SBC S/D 1.600in Exhaust Valves 11751-8
MANLEY
$301.07If you're running a high-revving small block with aggressive cam timing and extended valve events, factory exhaust valves will fail under sustained load. Manley's severe-duty construction handles the thermal stress and mechanical abuse that competition...MAN11751-8- SKU:
- MAN11751-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.35 LBS
- MFG Part #:
- 11751-8
$301.07 -
Manley SBC S/D 1.600in Exhaust Valves 11749-8
MANLEY
$301.07If you're building a serious small block Chevy engine, valve quality directly impacts combustion efficiency, heat dissipation, and overall reliability under sustained high RPM operation. Manley's severe-duty exhaust valves are engineered to withstand the...MAN11749-8- SKU:
- MAN11749-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.33 LBS
- MFG Part #:
- 11749-8
$301.07 -
Manley SBC S/D 1.937in Intake Valves 11592-8
MANLEY
$311.48Manley's severe-duty intake valves are engineered for sustained high-RPM operation and aggressive valve events that demand uncompromising reliability. The stainless steel construction resists thermal stress and corrosion, while the 1.937-inch head...MAN11592-8- SKU:
- MAN11592-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.33 LBS
- MFG Part #:
- 11592-8
$311.48 -
Manley SBF R/F 1.850in Intake Valves 11578-8
MANLEY
$188.69Maximum airflow and reliability are non-negotiable in serious Small Block Ford racing. Manley's Race Flo intake valves deliver the flow characteristics you need to optimize cylinder filling while maintaining the durability required for sustained high-RPM...MAN11578-8- SKU:
- MAN11578-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.27 LBS
- MFG Part #:
- 11578-8
$188.69 -
Manley SBC R/F 2.055in Intake Valves 11568-8
MANLEY
$188.69If you're building or rebuilding a Small Block Chevy engine for racing or high-performance street duty, your valve choice directly impacts flow efficiency, durability under sustained RPMs, and overall cylinder head performance. Manley's Race Flo intake...MAN11568-8- SKU:
- MAN11568-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.48 LBS
- MFG Part #:
- 11568-8
$188.69 -
Manley SBC S/D 1.500in Exhaust Valves 11567-8
MANLEY
$301.07If you're building or refreshing a serious Small Block Chevy engine, valve quality directly impacts combustion efficiency, heat dissipation, and longevity under sustained high-RPM operation. Manley's Severe Duty exhaust valves are engineered to withstand...MAN11567-8- SKU:
- MAN11567-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.99 LBS
- MFG Part #:
- 11567-8
$301.07 -
Manley SBC R/F 2.020in Intake Valves 11566-8
MANLEY
$188.69If you're serious about small block performance, your intake valves are a critical limiting factor in cylinder head flow. Manley's Race Flo design maximizes flow characteristics across the RPM range, giving you the valve response and reliability required...MAN11566-8- SKU:
- MAN11566-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.43 LBS
- MFG Part #:
- 11566-8
$188.69 -
Manley SBC R/F 1.600in Exhaust Valves 11565-8
MANLEY
$188.69Exhaust valve performance directly impacts your Small Block Chevy's breathing efficiency and sustained RPM capability. Manley's Race Flo design optimizes flow characteristics under high-load conditions, allowing your engine to expel combustion gases...MAN11565-8- SKU:
- MAN11565-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.09 LBS
- MFG Part #:
- 11565-8
$188.69 -
Manley SBC R/F 2.080in Intake Valves 11560-8
MANLEY
$188.69Maximize your small block Chevy's breathing efficiency with Manley's SBC R/F intake valves, engineered for serious racers who demand precision flow characteristics and reliability under extreme conditions. The 2.080-inch head diameter and Race Flo design...MAN11560-8- SKU:
- MAN11560-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- MFG Part #:
- 11560-8
$188.69 -
Manley SBC R/F 2.055in Intake Valves 11546-8
MANLEY
$188.69Maximize your Small Block Chevy's breathing efficiency with Manley's Race Flo intake valves, engineered for sustained high-RPM performance and reliability under extreme conditions. The 2.055-inch head diameter and optimized flow characteristics deliver...MAN11546-8- SKU:
- MAN11546-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.51 LBS
- MFG Part #:
- 11546-8
$188.69 -
Manley SBC R/F 1.600in Exhaust Valves 11545-8
MANLEY
$188.69If you're building a high-revving small block Chevy engine, valve choice directly impacts flow efficiency and reliability under sustained load. Manley's Race Flo exhaust valves are engineered for the demands of competitive racing, delivering superior...MAN11545-8- SKU:
- MAN11545-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.26 LBS
- MFG Part #:
- 11545-8
$188.69 -
Manley SBC S/D 1.600in Exhaust Valves 11543-8
MANLEY
$301.07If you're building or rebuilding a high-performance Small Block Chevy engine, quality exhaust valves are non-negotiable—they directly impact heat management, scavenging efficiency, and overall engine durability under sustained load. Manley's Severe Duty...MAN11543-8- SKU:
- MAN11543-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.06 LBS
- MFG Part #:
- 11543-8
$301.07Qty in Cart: 0Quantity:Price:$301.07Subtotal: -
Manley SBC S/D 1.600in Exhaust Valves 11539-8
MANLEY
$301.07Manley's SBC S/D exhaust valves are engineered for high-RPM, high-heat applications where stock valves simply won't survive. Built from stainless steel and spec'd for severe duty use, these valves deliver reliable sealing and consistent performance...MAN11539-8- SKU:
- MAN11539-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.17 LBS
- MFG Part #:
- 11539-8
$301.07 -
Manley SBF R/F 1.600in Exhaust Valves 11531-8
MANLEY
$188.69If you're building or rebuilding a high-performance small block Ford engine, valve quality directly impacts combustion efficiency, reliability under sustained RPM, and overall power output. Manley's Race Flo exhaust valves are engineered for racing...MAN11531-8- SKU:
- MAN11531-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- MFG Part #:
- 11531-8
$188.69Qty in Cart: 0Quantity:Price:$188.69Subtotal: -
Manley SBC R/F 1.940in Intake Valves 11522-8
MANLEY
$188.69If you're building a high-flow SBC cylinder head, your intake valves are critical to maximizing airflow and combustion efficiency. Manley's Race Flo intake valves feature a larger 1.940-inch head that reduces flow restriction, allowing your engine to...MAN11522-8- SKU:
- MAN11522-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.27 LBS
- MFG Part #:
- 11522-8
$188.69 -
Manley SBC R/F 1.500in Exhaust Valves 11521-8
MANLEY
$188.69Manley's Race Flo exhaust valves are engineered for maximum flow and durability in high-RPM applications where stock valves simply fall short. The stainless steel construction and optimized head geometry deliver the thermal stability and reliability your...MAN11521-8- SKU:
- MAN11521-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.97 LBS
- MFG Part #:
- 11521-8
$188.69 -
Manley SBC S/D 1.600in Exhaust Valves 11513-8
MANLEY
$301.07If you're building or refreshing an SBC for sustained high-RPM operation, factory exhaust valves won't cut it. Manley's Severe Duty exhaust valves are engineered to handle the thermal stress and gas velocities of aggressive racing applications,...MAN11513-8- SKU:
- MAN11513-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.33 LBS
- MFG Part #:
- 11513-8
$301.07
