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Engines and Components

Engines and Components

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

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
  • dry sump tank - 5qtrs 7in diameter - 13in tall 22612

    Moroso Dry Sump Tank - 5qtrs 7in Diameter - 13in Tall 22612

    MOROSO

    $897.99
    A dry sump system is essential for high-performance and motorsports applications where oil starvation during aggressive cornering, braking, and acceleration can cause engine damage. The Moroso...
    MOR22612
    SKU:
    MOR22612
    Availability:
    Ships Same Business Day
    Weight:
    8.20 LBS
    $897.99
    Qty in Cart: 0
    Quantity:
    Price:
    $897.99
    Subtotal:
  • sbc dry sump oil pan ct asphalt lm 21545

    Moroso SBC Dry Sump Oil Pan CT Asphalt LM 21545

    MOROSO

    $927.99
    If you're running a Small Block Chevy in a competitive asphalt late model program, fuel capacity and pan depth directly impact your ability to maintain consistent oil pressure through high-G...
    MOR21545
    SKU:
    MOR21545
    Availability:
    Ships Same Business Day
    Weight:
    11.90 LBS
    $927.99
    Qty in Cart: 0
    Quantity:
    Price:
    $927.99
    Subtotal:
  • Main Bearing Set GM LS Coated MS-2411HXC

    Main Bearing Set GM LS Coated MS-2411HXC

    MAHLE ORIGINAL/CLEVITE

    $269.99
    A quality main bearing set is foundational to engine reliability and longevity, especially in high-performance or modified LS engines. The MS-2411HXC delivers extra oil clearance and a protective...
    M77MS2411HXC
    SKU:
    M77MS2411HXC
    Availability:
    Ships Same Business Day
    Weight:
    0.10 LBS
    $269.99
    Qty in Cart: 0
    Quantity:
    Price:
    $269.99
    Subtotal:
  • coated rod bearing cb-634hxnc

    Coated Rod Bearing CB-634HXNC

    MAHLE ORIGINAL/CLEVITE

    $27.99
    Connecting rod bearings are the critical interface between your rod and crankshaft—a failure here means catastrophic engine damage. The Coated Rod Bearing CB-634HXNC delivers the durability and...
    M77CB634HXNC
    SKU:
    M77CB634HXNC
    Availability:
    Ships Same Business Day
    Weight:
    0.09 LBS
    $27.99
    Qty in Cart: 0
    Quantity:
    Price:
    $27.99
    Subtotal:
  • main bearing set sbc mb 557sistdx

    Main Bearing Set SBC MB 557SISTDX

    KING BEARINGS

    $23.99
    A quality main bearing set is the foundation of any reliable Small Block Chevy engine—it directly impacts oil flow, load distribution, and long-term durability under sustained power. The SI-Series...
    KEBMB557SISTDX
    SKU:
    KEBMB557SISTDX
    Availability:
    Ships Same Business Day
    Weight:
    1.18 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • main bearing set gm ls1/ls2/ls4/ls6 mb5013xp 010x

    Main Bearing Set GM LS1/LS2/LS4/LS6 MB5013XP 010X

    KING BEARINGS

    $138.99
    When you're pushing LS power to the limit, factory bearings simply can't handle the increased loads and heat cycling that come with modified engines. The MB5013XP 010X main bearing set delivers the...
    KEBMB5013XP010X
    SKU:
    KEBMB5013XP010X
    Availability:
    Ships Same Business Day
    Weight:
    1.34 LBS
    $138.99
    Qty in Cart: 0
    Quantity:
    Price:
    $138.99
    Subtotal:
  • rod bearing set sbc w/2.100 pin dia. cr807xpnd

    Rod Bearing Set SBC w/2.100 Pin Dia. CR807XPND

    KING BEARINGS

    $86.99
    A quality rod bearing set is fundamental to engine reliability and longevity, especially in high-stress racing applications. The CR807XPND is engineered to handle the extreme pressures of a...
    KEBCR807XPND
    SKU:
    KEBCR807XPND
    Availability:
    Ships Same Business Day
    Weight:
    0.85 LBS
    $86.99
    Qty in Cart: 0
    Quantity:
    Price:
    $86.99
    Subtotal:
  • drive kit v-belt sbc crate w/wp p/s & alt 3004-ar-ce

    Jones Racing Drive Kit V-Belt SBC Crate w/WP P/S & Alt 3004-AR-CE

    JONES RACING PRODUCTS

    $1,047.37
    A complete accessory drive system is critical for reliable engine operation, and this Jones Racing kit eliminates the guesswork by pairing matched components engineered specifically for Small Block...
    JRP3004-AR-CE
    SKU:
    JRP3004-AR-CE
    Availability:
    Ships Same Business Day
    Weight:
    22.15 LBS
    $1,047.37
    Qty in Cart: 0
    Quantity:
    Price:
    $1,047.37
    Subtotal:
  • shaft rocker arm kit sbf 1.6/1.6 ratio kss-506060vj

    Shaft Rocker Arm Kit SBF 1.6/1.6 Ratio KSS-506060VJ

    JESEL

    $1,535.00
    A quality rocker arm kit is fundamental to reliable valve actuation and consistent power delivery in any serious small-block Ford engine. This shaft-mount design eliminates the flex and wear...
    JESKSS-506060VJ
    SKU:
    JESKSS-506060VJ
    Availability:
    Ships Same Business Day
    Weight:
    15.00 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $1,535.00
    Subtotal:
  • lsx cast iron block - 4.065 bore finished 19417352

    Chevrolet Performance Chevy Performance LSX Cast Iron Block - 4.065 Bore Finished 19417352

    CHEVROLET PERFORMANCE

    $5,864.04
    The Chevrolet Performance LSX Cast Iron Block is purpose-built for serious engine builders who demand maximum displacement potential and proven reliability in high-competition environments. With a 4...
    GMP19417352
    SKU:
    GMP19417352
    Availability:
    Ships Same Business Day
    Weight:
    252.00 LBS
    $5,864.04
    Qty in Cart: 0
    Quantity:
    Price:
    $5,864.04
    Subtotal:
  • alm engine block - bare 6.2l lsa 12673476

    Chevrolet Performance Alm Engine Block - Bare 6.2L LSA 12673476

    CHEVROLET PERFORMANCE

    $4,016.75
    Building a high-displacement LS platform engine demands a foundation engineered for sustained boost and cylinder pressure—this bare aluminum 6.2L LSA block delivers the structural integrity and...
    GMP12673476
    SKU:
    GMP12673476
    Availability:
    Ships Same Business Day
    Weight:
    110.00 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $4,016.75
    Subtotal:
  • tube - oil level indicator 12563918

    Chevrolet Performance Tube - Oil Level Indicator 12563918

    CHEVROLET PERFORMANCE

    $25.99
    An accurate oil level reading is non-negotiable for engine longevity and performance diagnostics. This OEM Chevrolet dipstick tube maintains the precision fit and material integrity your LS engine...
    GMP12563918
    SKU:
    GMP12563918
    Availability:
    Ships Same Business Day
    Weight:
    1.00 LBS
    $25.99
    Qty in Cart: 0
    Quantity:
    Price:
    $25.99
    Subtotal:
  • rocker arm stand ls 5.7l 97-04 12552203

    Chevrolet Performance Rocker Arm Stand LS 5.7L 97-04 12552203

    CHEVROLET PERFORMANCE

    $57.99
    The rocker arm stand is a critical structural component that maintains proper valve train geometry and prevents deflection under high RPM conditions. A quality aluminum stand ensures consistent...
    GMP12552203
    SKU:
    GMP12552203
    Availability:
    Ships Same Business Day
    Weight:
    0.36 LBS
    $57.99
    Qty in Cart: 0
    Quantity:
    Price:
    $57.99
    Subtotal:
  • lifter guide retainer 12551399

    Chevrolet Performance Lifter Guide Retainer 12551399

    CHEVROLET PERFORMANCE

    $37.99
    Proper lifter guide management is critical for maintaining valve train stability and preventing catastrophic engine damage in big block Chevy applications. This OEM Chevrolet Performance lifter guide...
    GMP12551399
    SKU:
    GMP12551399
    Availability:
    Ships Same Business Day
    Weight:
    0.31 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $37.99
    Subtotal:
  • 7.122 pushrod 5/16 dia. 1010 steel .060 wall 10241740

    Chevrolet Performance 7.122 Pushrod 5/16 Dia. 1010 Steel .060 Wall 10241740

    CHEVROLET PERFORMANCE

    $23.99
    A precision pushrod is fundamental to maintaining consistent valve timing and lift across your engine's entire RPM range. This OEM Chevrolet pushrod delivers the exact tolerances and durability...
    GMP10241740
    SKU:
    GMP10241740
    Availability:
    Ships Same Business Day
    Weight:
    0.17 LBS
    $23.99
    Qty in Cart: 0
    Quantity:
    Price:
    $23.99
    Subtotal:
  • sbf 185 thumper cyl head aluminum - assembled 185-505ft

    Flo-Tek SBF 185 Thumper Cyl Head ALuminum - Assembled 185-505FT

    FLO-TEK

    $489.99
    The Flo-Tek SBF 185 Thumper delivers the airflow and combustion efficiency your flat-tappet Small Block Ford needs to build serious power. This assembled aluminum head arrives ready to bolt on,...
    FTC185-505FT
    SKU:
    FTC185-505FT
    Availability:
    Ships Same Business Day
    Weight:
    26.00 LBS
    $489.99
    Qty in Cart: 0
    Quantity:
    Price:
    $489.99
    Subtotal:
  • Ferrea SBC 2.200 C/P Intake Valves 11/32 5.560 OAL F2028P-8

    Ferrea SBC 2.200 C/P Intake Valves 11/32 5.560 OAL F2028P-8

    FERREA

    $415.99
    When you're building a high-revving small block Chevy engine, valve selection directly impacts your cylinder head's breathing efficiency and overall power output. Ferrea's Competition Plus intake...
    FERF2028P-8
    SKU:
    FERF2028P-8
    Availability:
    Ships Same Business Day
    Weight:
    2.55 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $415.99
    Subtotal:
  • sbc sir i-beam rod set 6.100 2.100 pin dia sir6100nlw

    Eagle SBC SIR I-Beam Rod Set 6.100 2.100 Pin Dia SIR6100NLW

    EAGLE

    $391.99
    Eagle's SIR I-Beam rod set delivers the strength and reliability demanded by serious LS-engine builders and racers pushing high RPM limits. Forged steel construction with bushed small-end design...
    EAGSIR6100NLW
    SKU:
    EAGSIR6100NLW
    Availability:
    Ships Same Business Day
    Weight:
    11.10 LBS
    $391.99
    Qty in Cart: 0
    Quantity:
    Price:
    $391.99
    Subtotal:
  • sbc forged 4340 i-beam rods 6.250 w/7/16 bolts fsi6250b

    Eagle SBC Forged 4340 I-Beam Rods 6.250 w/7/16 Bolts FSI6250B

    EAGLE

    $533.99
    Forged 4340 steel connecting rods are the foundation of a reliable, high-RPM engine build. Eagle's I-beam design delivers the strength-to-weight ratio serious racers and performance builders demand,...
    EAGFSI6250B
    SKU:
    EAGFSI6250B
    Availability:
    Ships Same Business Day
    Weight:
    11.85 LBS
    Qty in Cart: 0
    Quantity:
    Price:
    $533.99
    Subtotal:
  • sbf 208/302 rotating assembly kit14006030

    Eagle SBF 208/302 Rotating Assembly KIT14006030

    EAGLE

    $2,680.99
    A rotating assembly is the heart of your engine's power delivery—and a forged crank and pistons are non-negotiable if you're pushing serious horsepower or planning extended high-RPM operation. The...
    EAG14006030
    SKU:
    EAG14006030
    Availability:
    Ships Same Business Day
    Weight:
    85.00 LBS
    $2,680.99
    Qty in Cart: 0
    Quantity:
    Price:
    $2,680.99
    Subtotal:
  • Total: items /

Adding your products to cart

Big Power, Nice Sound!

Picked up a Pro Circuit pipe and silencer for my YZ125 it’s a game changer. The power feels way better and the sound is awesome.

Tyler D. - 06/12

Perfect Fit

First time ordering here and dang y’all knocked it outta the park! The wheels fit my Ranger UTV perfect, and I’ll definitely be back for more 5 stars all day!

Sarah L. - 08/24

Fast Shipping!!

Ordered on a Monday, and it was on my doorstep by Wednesday! Super impressed with how fast the shipping was.

Jason P. - 09/13

Helps keep cool, works great!

Bought the dual pass Allstar radiator for my build, and it’s been solid. Keeps the engine running cool even on the hottest days no complaints here!

Jake M. - 05/21

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