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 R/M 1.600in Exhaust Valves 11877-8
MANLEY
$169.82If you're building a high-revving small block Chevy engine that demands reliability at sustained RPMs, OEM exhaust valves simply won't cut it. Manley's Race Master exhaust valves are engineered with...MAN11877-8- SKU:
- MAN11877-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.36 LBS
- MFG Part #:
- 11877-8
$169.82 -
Manley SBC S/D 1.600in Exhaust Valves 11865-8
MANLEY
$270.96Exhaust valves are mission-critical components that endure extreme heat and pressure cycles—failure here means catastrophic engine damage and lost race time. Manley's Severe Duty specification...MAN11865-8- SKU:
- MAN11865-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MFG Part #:
- 11865-8
$270.96Qty in Cart: 0Quantity:Price:$270.96Subtotal: -
Manley SBC R/M 2.020in Intake Valves 11864-8
MANLEY
$169.82If you're building a high-revving Small Block Chevy that demands reliability at the track, you need intake valves engineered for the demands of competitive racing. Manley's Race Master line delivers...MAN11864-8- SKU:
- MAN11864-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.40 LBS
- MFG Part #:
- 11864-8
$169.82 -
Manley SBC R/M 1.600in Exhaust Valves 11863-8
MANLEY
$169.82When you're building a race-ready Small Block Chevy, valve quality directly impacts combustion efficiency and power output. Manley's Race Master exhaust valves deliver the precision metallurgy and...MAN11863-8- SKU:
- MAN11863-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.22 LBS
- MFG Part #:
- 11863-8
$169.82 -
Manley SBC R/M 1.500in Exhaust Valves 11861-8
MANLEY
$169.82Exhaust valves are critical to your engine's ability to expel combustion gases efficiently—weak or worn valves directly reduce horsepower and throttle response. Manley's Race Master exhaust valves...MAN11861-8- SKU:
- MAN11861-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.08 LBS
- MFG Part #:
- 11861-8
$169.82 -
Manley SBC R/M 1.940in Intake Valves 11860-8
MANLEY
$169.82When you're building a race-ready Small Block Chevy engine, intake valve quality directly impacts cylinder head flow, combustion efficiency, and peak horsepower. Manley's Race Master valves deliver...MAN11860-8- SKU:
- MAN11860-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.33 LBS
- MFG Part #:
- 11860-8
$169.82Qty in Cart: 0Quantity:Price:$169.82Subtotal: -
Manley SBC S/D 2.080in Intake Valves 11858-8
MANLEY
$280.33If you're building a serious small-block Chevy engine, intake valve quality directly impacts combustion efficiency, durability under high RPM, and overall power output. Manley's severe-duty stainless...MAN11858-8- SKU:
- MAN11858-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.67 LBS
- MFG Part #:
- 11858-8
$280.33 -
Manley SBC S/D 2.055in Intake Valves 11846-8
MANLEY
$270.96Manley's Severe Duty intake valves are engineered for high-RPM, high-heat applications where reliability cannot be compromised. Built from stainless steel and designed specifically for Small Block...MAN11846-8- SKU:
- MAN11846-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.61 LBS
- MFG Part #:
- 11846-8
$270.96 -
Manley SBC S/D 2.080in Intake Valves 11844-8
MANLEY
$270.96If you're building a high-revving Small Block Chevy engine that demands reliable valve response under extreme conditions, Manley's Severe Duty intake valves are engineered to handle sustained...MAN11844-8- SKU:
- MAN11844-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.63 LBS
- MFG Part #:
- 11844-8
$270.96 -
Manley SBC S/D 2.020in Intake Valves 11826-8
MANLEY
$270.96Built for sustained high-RPM operation and extreme cylinder pressures, these Manley intake valves are engineered to withstand the demands of severe-duty racing applications. The stainless steel...MAN11826-8- SKU:
- MAN11826-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.56 LBS
- MFG Part #:
- 11826-8
$270.96Qty in Cart: 0Quantity:Price:$270.96Subtotal: -
Manley SBC P/F 2.055in Intake Valves 11824-8
MANLEY
$270.96Manley's SBC intake valves are engineered for sustained high-RPM operation where factory valves fail. Built from stainless steel and precision-manufactured to exact tolerances, these valves deliver...MAN11824-8- SKU:
- MAN11824-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.45 LBS
- MFG Part #:
- 11824-8
$270.96 -
Manley SBC P/F 1.600in Exhaust Valves 11823-8
MANLEY
$270.96If you're building a serious small-block Chevy engine, valve quality directly impacts combustion efficiency, heat dissipation, and long-term reliability under sustained high RPM operation. Manley's...MAN11823-8- SKU:
- MAN11823-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.13 LBS
- MFG Part #:
- 11823-8
$270.96Qty in Cart: 0Quantity:Price:$270.96Subtotal: -
Manley SBC R/M 2.055in Intake Valves 11810-8
MANLEY
$169.82When you're building or refreshing a Small Block Chevy engine destined for the track, valve quality directly impacts combustion efficiency and rev capability. Manley's Race Master intake valves...MAN11810-8- SKU:
- MAN11810-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.62 LBS
- MFG Part #:
- 11810-8
$169.82 -
Manley SBC R/M 2.080in Intake Valves 11808-8
MANLEY
$169.82If you're building or rebuilding a Small Block Chevy engine for serious track duty, valve quality directly impacts cylinder head flow, combustion efficiency, and reliability under sustained high RPM...MAN11808-8- SKU:
- MAN11808-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.60 LBS
- MFG Part #:
- 11808-8
$169.82 -
Manley SBC R/M 2.055in Intake Valves 11806-8
MANLEY
$169.82If you're building or rebuilding a high-performance small block Chevy, valve quality directly impacts combustion efficiency, heat dissipation, and sustained RPM capability. Manley's Race Master...MAN11806-8- SKU:
- MAN11806-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MFG Part #:
- 11806-8
$169.82 -
Manley Ford 2.3L R/M 1.590in Exhaust Valves 11793-4
MANLEY
$84.91Manley's Race Master exhaust valves deliver the precision engineering required for high-RPM Ford 2.3L competition builds. Constructed from premium stainless steel, these valves are engineered to...MAN11793-4- SKU:
- MAN11793-4
- Availability:
- Ships Same Business Day
- Weight:
- 0.98 LBS
- MFG Part #:
- 11793-4
$84.91 -
Manley Ford 2.3L R/M 1.890in Intake Valves 11792-4
MANLEY
$84.91If you're building or refreshing a Ford 2.3L engine for street or strip duty, these Manley intake valves are engineered to handle sustained high RPM loads without sacrificing reliability. The...MAN11792-4- SKU:
- MAN11792-4
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
- MFG Part #:
- 11792-4
$84.91 -
Manley SBC P/F 2.080in Intake Valves 11772-8
MANLEY
$270.96If 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...MAN11772-8- SKU:
- MAN11772-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.48 LBS
- MFG Part #:
- 11772-8
$270.96 -
Manley SBC S/D 1.625in Exhaust Valves 11763-8
MANLEY
$270.96When 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,...MAN11763-8- SKU:
- MAN11763-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.41 LBS
- MFG Part #:
- 11763-8
$270.96 -
Manley SBC S/D 1.600in Exhaust Valves 11755-8
MANLEY
$270.96If 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...MAN11755-8- SKU:
- MAN11755-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.37 LBS
- MFG Part #:
- 11755-8
$270.96
