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
-
SBC Cast Steel Crank - 3.750 Stroke 9-350-3750-5700-L
SCAT ENTERPRISES
$333.99SBC Cast Steel Crank - 3.750 StrokeCrankshaftPro Comp Lightweight 9000 Series3.750 in StrokeExternal BalanceIron1 Piece SealSmall Block ChevyEachSCA9-350-3750-5700-L- SKU:
- SCA9-350-3750-5700-L
- Availability:
- Ships Same Business Day
- Weight:
- 53.05 LBS
- MFG Part #:
- 9-350-3750-5700-L
$333.99 -
SBC Cast Steel Crank - 3.750 Stroke 9-350-3750-5700
SCAT ENTERPRISES
$333.99SBC Cast Steel Crank - 3.750 Stroke Durable crankshaft designed for high-performance applications Part of the Pro Comp Lightweight 9000 Series for reduced weight Features a 3.750-inch stroke for optimal engine performance Engineered with external...SCA9-350-3750-5700- SKU:
- SCA9-350-3750-5700
- Availability:
- Ships Same Business Day
- Weight:
- 49.00 LBS
- MFG Part #:
- 9-350-3750-5700
$333.99 -
SBC Cast Steel Crank - 3.480 Stroke 9-350-3480-5700
SCAT ENTERPRISES
$333.99SBC Cast Steel Crank - 3.480 StrokeCrankshaftPro Comp Lightweight 9000 Series3.480 in StrokeInternal BalanceIron2 Piece SealSmall Block ChevyEachSCA9-350-3480-5700- SKU:
- SCA9-350-3480-5700
- Availability:
- Ships Same Business Day
- Weight:
- 52.90 LBS
- MFG Part #:
- 9-350-3480-5700
$333.99 -
SBF Cast Steel Crank - 3.400 Stroke 9-302-3400-5400-2123
SCAT ENTERPRISES
$333.99SBF Cast Steel Crank - 3.400 StrokeCrankshaftPro Comp 9000 Series3.400 in StrokeExternal BalanceIron1 or 2 Piece SealSmall Block FordEachSCA9-302-3400-5400-2123- SKU:
- SCA9-302-3400-5400-2123
- Availability:
- Ships Same Business Day
- Weight:
- 46.60 LBS
- MFG Part #:
- 9-302-3400-5400-2123
$333.99 -
SBC F-43 Forged Crank - 4.000 Stroke 4-400-4000-6000-21LW
SCAT ENTERPRISES
$1,279.99SBC F-43 Forged Crank - 4.000 StrokeCrankshaftF-43 Series4.000 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachSCA4-400-4000-6000-21LW- SKU:
- SCA4-400-4000-6000-21LW
- Availability:
- Ships Same Business Day
- Weight:
- 49.90 LBS
- MFG Part #:
- 4-400-4000-6000-21LW
$1,279.99 -
SBC 4340 Forged Crank - 3.875 Stroke 4-400-3875-6000
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.875 Stroke High-performance crankshaft designed for Small Block Chevy engines Standard weight for optimal balance and performance 3.875-inch stroke for increased power and torque Internal balance for smoother...SCA4-400-3875-6000- SKU:
- SCA4-400-3875-6000
- Availability:
- Ships Same Business Day
- Weight:
- 58.70 LBS
- MFG Part #:
- 4-400-3875-6000
$944.99 -
SBC 4340 Forged Crank - 3.750 Stroke 4-400-3750-6000
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.750 Stroke High-performance crankshaft designed for Small Block Chevy engines Standard weight for optimal balance and performance Features a 3.750-inch stroke for increased engine displacement Internal balance ensures smoother...SCA4-400-3750-6000- SKU:
- SCA4-400-3750-6000
- Availability:
- Ships Same Business Day
- Weight:
- 59.65 LBS
- MFG Part #:
- 4-400-3750-6000
$944.99 -
SBC 4340 Forged Crank - 3.750 Stroke 4-400-3750-5700
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.750 StrokeCrankshaftStandard Weight3.750 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachSCA4-400-3750-5700- SKU:
- SCA4-400-3750-5700
- Availability:
- Ships Same Business Day
- Weight:
- 59.30 LBS
- MFG Part #:
- 4-400-3750-5700
$944.99 -
SBC 4340 Forged Crank - 3.500 Stroke 4-400-3500-6000
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.500 StrokeCrankshaftStandard Weight3.500 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachSCA4-400-3500-6000- SKU:
- SCA4-400-3500-6000
- Availability:
- Ships Same Business Day
- Weight:
- 59.00 LBS
- MFG Part #:
- 4-400-3500-6000
$944.99 -
SBC 4340 Forged Crank - 4.000 Stroke 4-350-4000-6000
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 4.000 StrokeCrankshaftStandard Weight4.000 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachSCA4-350-4000-6000- SKU:
- SCA4-350-4000-6000
- Availability:
- Ships Same Business Day
- Weight:
- 57.30 LBS
- MFG Part #:
- 4-350-4000-6000
$944.99 -
SBC L/W 4340 Forged Crank - 3.875 Stroke 4-350-3875-6000-2
SCAT ENTERPRISES
$2,281.99SBC L/W 4340 Forged Crank - 3.875 StrokeCrankshaftPro Comp Lightweight3.875 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachSCA4-350-3875-6000-2- SKU:
- SCA4-350-3875-6000-2
- Availability:
- Ships Same Business Day
- Weight:
- 48.00 LBS
- MFG Part #:
- 4-350-3875-6000-2
$2,281.99 -
SBC 4340 Forged Crank - 3.875 Stroke 4-350-3875-6000
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.875 Stroke High-performance crankshaft designed for Small Block Chevy engines Standard weight for optimal balance and performance 3.875-inch stroke for increased power and torque Internal balance for smoother...SCA4-350-3875-6000- SKU:
- SCA4-350-3875-6000
- Availability:
- Ships Same Business Day
- Weight:
- 58.05 LBS
- MFG Part #:
- 4-350-3875-6000
$944.99 -
SBC L/W 4340 Forged Crank - 3.750 Stroke 4-350-3750-6000-2
SCAT ENTERPRISES
$2,477.99SBC L/W 4340 Forged Crank - 3.750 StrokeCrankshaftPro Comp Lightweight3.750 in StrokeInternal BalanceForged Steel2 Piece SealSmall Block ChevyEachSCA4-350-3750-6000-2- SKU:
- SCA4-350-3750-6000-2
- Availability:
- Ships Same Business Day
- Weight:
- 52.05 LBS
- MFG Part #:
- 4-350-3750-6000-2
$2,477.99 -
SBC 4340 Forged Crank - 3.750 Stroke 4-350-3750-6000
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.750 Stroke High-performance crankshaft designed for Small Block Chevy engines Standard weight for optimal balance and performance Features a 3.750-inch stroke for enhanced power delivery Engineered with internal balance for...SCA4-350-3750-6000- SKU:
- SCA4-350-3750-6000
- Availability:
- Ships Same Business Day
- Weight:
- 57.00 LBS
- MFG Part #:
- 4-350-3750-6000
$944.99 -
SBC 4340 Forged Crank - 3.750 Stroke 4-350-3750-5700-L
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.750 StrokeCrankshaftStandard3.750 in StrokeInternal Balance FrontExternal Balance RearForged Steel1 Piece SealSmall Block ChevyEachSCA4-350-3750-5700-L- SKU:
- SCA4-350-3750-5700-L
- Availability:
- Ships Same Business Day
- Weight:
- 56.60 LBS
- MFG Part #:
- 4-350-3750-5700-L
$944.99 -
SBC 4340 Forged Crank - 3.750 Stroke 4-350-3750-5700
SCAT ENTERPRISES
$944.99SBC 4340 Forged Crank - 3.750 Stroke High-performance crankshaft designed for Small Block Chevy engines Standard weight for optimal balance and performance Features a 3.750-inch stroke for enhanced power delivery Engineered with internal balance for...SCA4-350-3750-5700- SKU:
- SCA4-350-3750-5700
- Availability:
- Ships Same Business Day
- Weight:
- 61.00 LBS
- MFG Part #:
- 4-350-3750-5700
$944.99 -
SBC F-43 Forged Crank - 3.500 Stroke 4-350-3500-5700-21LW
SCAT ENTERPRISES
$1,279.99SBC F-43 Forged Crank - 3.500 Stroke High-performance crankshaft designed for small block Chevy engines Part of the durable F-43 Series, ensuring reliability and strength Features a 3.500-inch stroke for optimal engine performance Engineered with...SCA4-350-3500-5700-21LW- SKU:
- SCA4-350-3500-5700-21LW
- Availability:
- Ships Same Business Day
- Weight:
- 47.10 LBS
- MFG Part #:
- 4-350-3500-5700-21LW
$1,279.99 -
SBC F-43 Forged Crank - 3.500 Stroke 4-350-3500-5700-18LW
SCAT ENTERPRISES
$1,279.99SBC F-43 Forged Crank - 3.500 Stroke High-performance crankshaft designed for small block Chevy engines Part of the durable F-43 Series, ensuring reliability and strength Features a 3.500-inch stroke for optimal engine performance Engineered with...SCA4-350-3500-5700-18LW- SKU:
- SCA4-350-3500-5700-18LW
- Availability:
- Ships Same Business Day
- Weight:
- 45.25 LBS
- MFG Part #:
- 4-350-3500-5700-18LW
$1,279.99 -
SBC F-43 Forged Crank - 3.480 Stroke 4-350-3480-5700-21LW
SCAT ENTERPRISES
$1,279.99SBC F-43 Forged Crank - 3.480 Stroke High-performance crankshaft designed for Small Block Chevy engines Part of the durable F-43 Series, ensuring reliability and strength Features a 3.480 inch stroke for enhanced engine performance Engineered with...SCA4-350-3480-5700-21LW- SKU:
- SCA4-350-3480-5700-21LW
- Availability:
- Ships Same Business Day
- Weight:
- 47.30 LBS
- MFG Part #:
- 4-350-3480-5700-21LW
$1,279.99 -
SBC F-43 Forged Crank - 3.480 Stroke 4-350-3480-5700-20LW
SCAT ENTERPRISES
$1,279.99SBC F-43 Forged Crank - 3.480 Stroke High-performance crankshaft designed for Small Block Chevy engines Part of the durable F-43 Series, ensuring reliability and strength Features a 3.480 inch stroke for enhanced engine performance Engineered with...SCA4-350-3480-5700-20LW- SKU:
- SCA4-350-3480-5700-20LW
- Availability:
- Ships Same Business Day
- Weight:
- 46.15 LBS
- MFG Part #:
- 4-350-3480-5700-20LW
$1,279.99
