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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Main Bearing Set MS-1038H
MICHIGAN 77
$91.99Main Bearing Set MS-1038H High-quality main bearing set for reliable engine performance Designed specifically for H-Series applications Standard size suitable for various small block Chevy engines Includes all necessary components for a complete...M77MS1038H- SKU:
- M77MS1038H
- Availability:
- Ships Same Business Day
- Weight:
- 1.31 LBS
- MFG Part #:
- MS1038H
$91.99Qty in Cart: 0Quantity:Price:$91.99Subtotal: -
Rod Bearing CB-745P-40
MAHLE ORIGINAL/CLEVITE
$9.39Rod Bearing CB-745P-40Connecting Rod BearingP-Series0.040 in UndersizeSmall Block ChevyEachM77CB745P40- 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
$11.99Rod Bearing CB-634P-30 High-performance connecting rod bearing designed for optimal engine efficiency P-Series construction for enhanced durability and reliability 0.030 in undersize, perfect for precision fitting in small block Ford engines Engineered...M77CB634P30- SKU:
- M77CB634P30
- Availability:
- Ships Same Business Day
- Weight:
- 0.12 LBS
- MFG Part #:
- CB634P30
$11.99Qty in Cart: 0Quantity:Price:$11.99Subtotal: -
Piston Ring Set 4.060 Moly 1/16 1/16 3/16 315-0036.065
MICHIGAN 77
$195.99Piston Ring Set 4.060 Moly 1/16 1/16 3/16Piston Rings4.060 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKitM77315-0036.065- 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: -
Piston Ring Set 4.040 Moly 5/64 5/64 3/16 3150034.045
MICHIGAN 77
$182.99Piston Ring Set 4.040 Moly 5/64 5/64 3/16Piston Rings4.040 in BoreFile Fit5/64 x 5/64 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKitM77315-0034.045- SKU:
- M77315-0034.045
- Availability:
- Ships Same Business Day
- Weight:
- 1.18 LBS
- MFG Part #:
- 3150034.045
$182.99Qty in Cart: 0Quantity:Price:$182.99Subtotal: -
Piston Ring Set 4.165 Moly 1/16 1/16 3/16 3150032.045
MICHIGAN 77
$156.99Piston Ring Set 4.165 Moly 1/16 1/16 3/16Piston Rings4.165 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKitM77315-0032.045- SKU:
- M77315-0032.045
- Availability:
- Ships Same Business Day
- Weight:
- 1.03 LBS
- MFG Part #:
- 3150032.045
$156.99Qty in Cart: 0Quantity:Price:$156.99Subtotal: -
Piston Ring Set 4.145 Moly 1/16 1/16 3/16 3150032.025
MICHIGAN 77
$159.99Piston Ring Set 4.145 Moly 1/16 1/16 3/16Piston Rings4.145 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickStandard TensionPlasma Moly8 CylinderKitM77315-0032.025- SKU:
- M77315-0032.025
- Availability:
- Ships Same Business Day
- Weight:
- 1.04 LBS
- MFG Part #:
- 3150032.025
$159.99Qty in Cart: 0Quantity:Price:$159.99Subtotal: -
Piston Ring Set 4.060 Moly 1/16 1/16 3/16 3150005.065
MICHIGAN 77
$208.99Piston Ring Set 4.060 Moly 1/16 1/16 3/16Piston Rings4.060 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickLow TensionPlasma Moly8 CylinderKitM77315-0005.065- SKU:
- M77315-0005.065
- Availability:
- Ships Same Business Day
- Weight:
- 0.97 LBS
- MFG Part #:
- 3150005.065
$208.99Qty in Cart: 0Quantity:Price:$208.99Subtotal: -
Piston Ring Set 4.155 Moly 1/16 1/16 3/16 3150004.035
MICHIGAN 77
$208.99Piston Ring Set 4.155 Moly 1/16 1/16 3/16Piston Rings4.155 in BoreFile Fit1/16 x 1/16 x 3/16 in ThickLow TensionPlasma Moly8 CylinderKitM77315-0004.035- SKU:
- M77315-0004.035
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
- MFG Part #:
- 3150004.035
$208.99Qty in Cart: 0Quantity:Price:$208.99Subtotal: -
.021 Offset Dowel Pin 15940
LAKEWOOD
$48.61.021 Offset Dowel Pin Bellhousing Dowel Pin0.625 in Diameter0.021 in OffsetSteelGMPairLWI15940- SKU:
- LWI15940
- Availability:
- Ships Same Business Day
- Weight:
- 0.17 LBS
- MFG Part #:
- 15940
$48.61Qty in Cart: 0Quantity:Price:$48.61Subtotal: -
On Sale
Crank Mandrel KSD1015-270
K.S.E. RACING
MSRP: $58.99Now: $53.00Was: $58.99Crank Mandrel The KSE KSD1015-270 Crank Drive Mandrel is crafted for Small Block Chevy single belt drive systems, delivering robust and reliable performance. It features a 2.70-inch length from the flange and is designed to accept pulleys with a 1-inch...KSEKSD1015-270- SKU:
- KSEKSD1015-270
- Availability:
- Ships Same Business Day
- Weight:
- 0.27 LBS
- MFG Part #:
- KSD1015-270
MSRP: $58.99Now: $53.00Was: $58.99Qty in Cart: 0Quantity:Price:MSRP: $58.99Now: $53.00Was: $58.99Subtotal: -
KRC Serpentine Drive KIT SBC Water Pump KIT 16225604
KRC POWER STEERING
$216.97Serpentine Drive KIT SBC Water PumpPulley KitEconomy6 Rib SerpentineAluminumBlack AnodizedSmall Block ChevyKitKRCKIT16225604- SKU:
- KRCKIT16225604
- Availability:
- Ships Same Business Day
- Weight:
- 2.75 LBS
- MFG Part #:
- KIT 16225604
$216.97Qty in Cart: 0Quantity:Price:$216.97Subtotal: -
KRC 6-Rib Serp. Belt 38.0in GDY 4060380
KRC POWER STEERING
$33.036-Rib Serp. Belt 38.0in Serpentine Drive Belt38 in Long6 RibEachKRCGDY4060380- SKU:
- KRCGDY4060380
- Availability:
- Ships Same Business Day
- Weight:
- 0.21 LBS
- MFG Part #:
- GDY 4060380
$33.03Qty in Cart: 0Quantity:Price:$33.03Subtotal: -
KRC 6-Rib Serp. Belt 36.5in GDY 4060365
KRC POWER STEERING
$31.936-Rib Serp. Belt 36.5in Serpentine Drive BeltGoodyear36-1/2 in Long6 RibEachKRCGDY4060365- SKU:
- KRCGDY4060365
- Availability:
- Ships Same Business Day
- Weight:
- 0.15 LBS
- MFG Part #:
- GDY 4060365
$31.93Qty in Cart: 0Quantity:Price:$31.93Subtotal: -
KRC 6-Rib Serp. Belt 25.2in GDY 4060252
KRC POWER STEERING
$21.466-Rib Serp. Belt 25.2in Serpentine Drive Belt25-1/4 in Long6 RibEachKRCGDY4060252- SKU:
- KRCGDY4060252
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- GDY 4060252
$21.46Qty in Cart: 0Quantity:Price:$21.46Subtotal: -
KRC Breather Assembly CT525 CTB 79525000
KRC POWER STEERING
$349.05Breather Assembly CT525 Breather SystemBreathers / Fittings / Hose / TubingCT525LS-SeriesKitKRC79525000- SKU:
- KRC79525000
- Availability:
- Ships Same Business Day
- Weight:
- 3.10 LBS
- MFG Part #:
- CTB 79525000
$349.05Qty in Cart: 0Quantity:Price:$349.05Subtotal: -
KRC 4.2in 6-Rib Alum P/S Pump Pulley KRC 20015000
KRC POWER STEERING
$82.964.2in 6-Rib Alum P/S Pump PulleyPower Steering PulleySerpentine6-Rib17 Spline4.200 in DiameterAluminumBlack AnodizedKRC PumpsEachKRC20015000- SKU:
- KRC20015000
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- KRC 20015000
$82.96Qty in Cart: 0Quantity:Price:$82.96Subtotal: -
Dee-Flektor Filter KNE62-1516
K AND N ENGINEERING
$30.99Dee-Flektor Filter BreatherPush-InRound1-1/4 in HoleHalf ShieldedReusableK&N LogoRubber / SteelBlack / ChromeEachKNE62-1516- SKU:
- KNE62-1516
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
- MFG Part #:
- 62-1516
$30.99Qty in Cart: 0Quantity:Price:$30.99Subtotal: -
Crankcase Vent Filter KNE62-1170
K AND N ENGINEERING
$33.99Crankcase Vent Filter BreatherPush-InRound1 in HoleReusableSteelChromeEachKNE62-1170- SKU:
- KNE62-1170
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
- MFG Part #:
- 62-1170
$33.99Qty in Cart: 0Quantity:Price:$33.99Subtotal: -
Breather Vent KNE62-1010
K AND N ENGINEERING
$29.99Breather Vent BreatherPush-InRound1/2 in HoleReusableRubber / SteelBlack / ChromeEachKNE62-1010- SKU:
- KNE62-1010
- Availability:
- Ships Same Business Day
- Weight:
- 0.23 LBS
- MFG Part #:
- 62-1010
$29.99Qty in Cart: 0Quantity:Price:$29.99Subtotal:
