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
-
Comp Cams SBC Rocker Arm Set - 1.52 Ratio 7/16 Stud 1604-16
COMP CAMS
$476.95A quality rocker arm set is fundamental to maximizing your small block Chevy's valvetrain efficiency and reliability under high-RPM conditions. The Comp Cams Ultra Pro Magnum delivers full-roller construction with a 1.52 ratio that increases valve lift...COM1604-16- SKU:
- COM1604-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.82 LBS
- MFG Part #:
- 1604-16
$476.95 -
Comp Cams SBC Rocker Arm Set - 1.6 Ratio 3/8 Stud 1602-16
COMP CAMS
$467.95A quality rocker arm set directly impacts valve actuation precision and engine efficiency—especially critical in high-RPM Small Block Chevy applications where reliability matters. The Comp Cams 1602-16 delivers reduced friction through full roller design...COM1602-16- SKU:
- COM1602-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.92 LBS
- MFG Part #:
- 1602-16
$467.95 -
Comp Cams SBC Rocker Arm Set - 1.52 Ratio 3/8 Stud 1601-16
COMP CAMS
$467.95If you're building a Small Block Chevy engine that demands consistent valve actuation and reduced parasitic friction losses, a quality rocker arm set is non-negotiable. The Comp Cams 1601-16 delivers a 1.52 ratio lift advantage with full roller design,...COM1601-16- SKU:
- COM1601-16
- Availability:
- Ships Same Business Day
- Weight:
- 8.94 LBS
- MFG Part #:
- 1601-16
$467.95 -
Comp Cams LS Shaft Rocker Arm Kit 1.7 Ratio LS1/LS2/LS6 1500
COMP CAMS
$1,705.95If you're running an LS engine and want to maximize valve lift and duration without compromising reliability, a quality rocker arm kit is non-negotiable. The Comp Cams LS Shaft Rocker Arm Kit delivers consistent, full-roller performance across your...COM1500- SKU:
- COM1500
- Availability:
- Ships Same Business Day
- Weight:
- 14.77 LBS
- MFG Part #:
- 1500
$1,705.95 -
Comp Cams Sbf&Olds V8 Mag Rocker Arms 3/8 Stud/1.6 Ratio 1442-16
COMP CAMS
$217.95Rocker arm ratio directly impacts valve lift and duration, making it one of the most critical tuning variables in your engine's valvetrain. These Comp Cams Magnum rocker arms deliver a 1.6 ratio with the durability and precision needed for high-RPM,...COM1442-16- SKU:
- COM1442-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.41 LBS
- MFG Part #:
- 1442-16
$217.95Qty in Cart: 0Quantity:Price:$217.95Subtotal: -
Comp Cams Sb Ford 1968-89 Mag Rock Arms 3/8 Stud/1.6 Ratio 1431-16
COMP CAMS
$217.95Comp Cams Magnum rocker arms deliver the valve lift and durability your small block Ford engine demands, whether you're running a stock rebuild or a high-revving race setup. The 1.6 ratio provides a direct mechanical advantage over factory units,...COM1431-16- SKU:
- COM1431-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.51 LBS
- MFG Part #:
- 1431-16
$217.95 -
Comp Cams SBC Magnum Rlr/Tip R/A's 1.6 Ratio 3/8in Stud 1418-16
COMP CAMS
$240.95Comp Cams' SBC Magnum rocker arms deliver the valve lift and geometry precision your small block demands for consistent, high-RPM performance. The 1.6 ratio roller tips reduce friction and wear while maintaining exact valve timing—critical for extracting...COM1418-16- SKU:
- COM1418-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.00 LBS
- MFG Part #:
- 1418-16
$240.95 -
Comp Cams Sbc 1987-Up Mag Rocker Arms 3/8 Stud/1.52 Ratio 1417-16
COMP CAMS
$240.95If you're serious about maximizing valve lift and duration on your Small Block Chevy, rocker arm ratio directly impacts your engine's ability to convert camshaft motion into valve actuation. Comp Cams' Magnum rocker arms deliver a 1.52 ratio with...COM1417-16- SKU:
- COM1417-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.04 LBS
- MFG Part #:
- 1417-16
$240.95 -
Comp Cams Sbc Mag-Roller Rocker Arms 3/8 Stud/1.6 Ratio 1416-16
COMP CAMS
$217.95If you're serious about extracting maximum power from your Small Block Chevy, rocker arm selection directly impacts valve control, lift accuracy, and overall engine responsiveness. Comp Cams' Magnum-series roller rockers deliver consistent, low-friction...COM1416-16- SKU:
- COM1416-16
- Availability:
- Ships Same Business Day
- Weight:
- 4.95 LBS
- MFG Part #:
- 1416-16
$217.95 -
Comp Cams Sbc Mag-Roller Rocker Arms 3/8 Stud/1.52 Ratio 1412-16
COMP CAMS
$217.95Comp Cams' Magnum roller rocker arms deliver the valve lift accuracy and durability your small block Chevy demands, whether you're building a street engine or pushing hard on the track. The roller tip design minimizes friction and wear on your cam lobes...COM1412-16- SKU:
- COM1412-16
- Availability:
- Ships Same Business Day
- Weight:
- 5.07 LBS
- MFG Part #:
- 1412-16
$217.95 -
Comp Cams SBC Solid Roller Cam 290A-R6 12-940-9
COMP CAMS
$531.95If you're building a serious small-block Chevy engine that demands reliable, high-RPM performance, the Comp Cams SBC Solid Roller Cam 290A-R6 delivers the valve timing and lift characteristics needed for aggressive street and strip applications. Solid...COM12-940-9- SKU:
- COM12-940-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.90 LBS
- MFG Part #:
- 12-940-9
$531.95 -
Comp Cams Sbc Billet Cam Cs-312Ar-7 Solid Roller 12-906-9
COMP CAMS
$531.95The Comp Cams SBC Billet Cam CS-312AR-7 delivers the aggressive valve timing and lift characteristics demanded by serious small-block Chevy builders looking to maximize mid-range power and top-end responsiveness. Built from billet material and engineered...COM12-906-9- SKU:
- COM12-906-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.81 LBS
- MFG Part #:
- 12-906-9
$531.95 -
Comp Cams Sbc Billet Cam Cs-292Ar-6 Solid Roller 12-901-9
COMP CAMS
$531.95The Comp Cams SBC Billet Cam CS-292AR-6 delivers aggressive valve timing with a solid mechanical roller design, built to maximize power output across a broad RPM band without sacrificing durability. If you're serious about small block Chevy...COM12-901-9- SKU:
- COM12-901-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.77 LBS
- MFG Part #:
- 12-901-9
$531.95 -
Comp Cams SBC Roller Camshaft 292CR-6 12-890-9
COMP CAMS
$531.95The Comp Cams 292CR-6 roller camshaft delivers the aggressive valve timing needed to unlock real power gains in your small block Chevy without sacrificing streetability. Mechanical roller design minimizes friction and wear while the 292/308 duration...COM12-890-9- SKU:
- COM12-890-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.24 LBS
- MFG Part #:
- 12-890-9
$531.95 -
Comp Cams SBC Xtreme TK C/T Solid Roller Cam 12-863-9
COMP CAMS
$531.95If you're building a small block Chevy that demands aggressive power delivery and reliable high-RPM performance, the Comp Cams SBC Xtreme TK C/T Solid Roller Cam is engineered to dominate. This mechanical roller cam combines substantial lift with...COM12-863-9- SKU:
- COM12-863-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.16 LBS
- MFG Part #:
- 12-863-9
$531.95 -
Comp Cams SBC Xtreme C/T Roller Cam 287TKNR-7 .900in BC 12-861-9
COMP CAMS
$531.95Built for serious small block Chevy applications where mid-range torque and aggressive top-end power matter, the Comp Cams SBC Xtreme C/T Roller Cam delivers the valve lift and duration needed to maximize your engine's potential. This mechanical roller...COM12-861-9- SKU:
- COM12-861-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.24 LBS
- MFG Part #:
- 12-861-9
$531.95 -
Comp Cams SBC Xtreme TK C/T Solid Roller Cam CS283TK-R6 12-857-9
COMP CAMS
$531.95The Comp Cams SBC Xtreme TK C/T Solid Roller Cam delivers the aggressive lift and duration curve you need to maximize horsepower and torque in your small-block Chevy while maintaining reliable mechanical roller action. With a 0.645-inch lift on both...COM12-857-9- SKU:
- COM12-857-9
- Availability:
- Ships Same Business Day
- Weight:
- 8.71 LBS
- MFG Part #:
- 12-857-9
$531.95 -
Comp Cams SBC O/W Solid Roller Cam 293 R7 12-842-14
COMP CAMS
$574.95When you're running a solid roller cam setup on your Small Block Chevy, every degree of duration and lift matters to your power band. The Comp Cams 293 R7 delivers aggressive valve timing with a 107° LSA that's engineered for low-to-mid RPM response,...COM12-842-14- SKU:
- COM12-842-14
- Availability:
- Ships Same Business Day
- Weight:
- 8.71 LBS
- MFG Part #:
- 12-842-14
$574.95 -
Comp Cams SBC 4&7 Swap Roller C/T Camshaft 47S 288BR-6 12-826-14
COMP CAMS
$574.95The Comp Cams SBC 4/7 Swap Roller C/T Camshaft is engineered for Small Block Chevy builders who demand reliable performance across a wide RPM band without compromise. This mechanical roller design delivers consistent valve lift and duration, making it an...COM12-826-14- SKU:
- COM12-826-14
- Availability:
- Ships Same Business Day
- Weight:
- 8.87 LBS
- MFG Part #:
- 12-826-14
$574.95 -
Comp Cams Ford 2300 Hi-Energy Rocker Arms 1270-8
COMP CAMS
$104.95The OHC valve train demands rocker arms that can handle aggressive cam profiles without sacrificing reliability. Comp Cams' Ford 2300 Hi-Energy Rocker Arms are engineered to maintain consistent valve lift and timing across the full RPM range, preventing...COM1270-8- SKU:
- COM1270-8
- Availability:
- Ships Same Business Day
- Weight:
- 2.30 LBS
- MFG Part #:
- 1270-8
$104.95
