Automatic Transmissions and Components
Circle Track Automatic Transmissions & Components at JJ Motorsports
Elevate your circle track performance with automatic transmissions and components from JJ Motorsports. Offering seamless power delivery without manual shifts, these systems include flexplates, torque converters, clutches, and adapters tailored for high-speed racing in IMCA, USMTS, and dirt oval events, ensuring focus and reliability for late models, modifieds, and street stocks.
Shop trusted brands like Allstar Performance for SFI-certified flexplates, ATI Performance for high-stall converters, and TCI for transmission rebuild kits. Explore related categories such as Circle Track Flexplates and Components for engine connection upgrades or Circle Track Torque Converters and Components for stall speed optimization.
Top Circle Track Automatic Transmissions & Components
- PRW Chromoly Flexplate SFI SBC 168T Internal Balance PQX1835001 – Flexplate Gold Series 168 Tooth SFI 29.1 Chromoly Internal Balance 2 Piece Seal Small Block Chevy / V6 Each.
- Allstar Performance Flexplate 153T SFI Internal Balance ALL26830 – Flexplate 153 Tooth SFI 29.1 Steel Internal Balance 2 Piece Seal Small Block Chevy Each.
- Allstar Performance Flexplate 168T SFI Internal Balance ALL26800 – Flexplate 168 Tooth SFI 29.1 Steel Internal Balance 2 Piece Seal Chevy V8 Each.
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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Proform TH350 Locking Dipstick & Tube 66181
PROFORM
$31.99Accurate transmission fluid level monitoring is critical for TH350 reliability and performance—especially under racing or high-load conditions where fluid degradation accelerates. The Proform locking...PFM66181- SKU:
- PFM66181
- Availability:
- Ships Same Business Day
- Weight:
- 1.10 LBS
$31.99 -
Proform TH350 Locking Dipstick Chrome 66175
PROFORM
$43.99Accurate transmission fluid levels are non-negotiable for TH350 performance and longevity. This locking dipstick eliminates guesswork during maintenance and prevents accidental removal while the...PFM66175- SKU:
- PFM66175
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$43.99 -
Proform GM Powerglide Trans Dipstick Locking Short 66173
PROFORM
$32.99Accurate transmission fluid monitoring is non-negotiable when you're running a Powerglide—guesswork leads to costly damage. This Proform locking dipstick eliminates measurement uncertainty with a...PFM66173- SKU:
- PFM66173
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$32.99 -
Proform GM Powerglide Trans Dipstick Locking Long 66172
PROFORM
$33.99Accurate fluid level monitoring is critical for Powerglide transmission longevity and performance, and a worn or damaged dipstick compromises your ability to maintain proper ATF levels. This Proform...PFM66172- SKU:
- PFM66172
- Availability:
- Ships Same Business Day
- Weight:
- 1.50 LBS
$33.99 -
Allstar Performance Flexplate 168T STD LS ALL26845
ALLSTAR PERFORMANCE
$87.99A flexplate is the critical interface between your LS engine and transmission—get it wrong, and you're looking at catastrophic drivetrain failure. The Allstar Performance 168T flexplate delivers the...ALL26845- SKU:
- ALL26845
- Availability:
- Ships Same Business Day
- Weight:
- 6.35 LBS
$87.99 -
Allstar Performance Flexplate 168T SFI LS ALL26840
ALLSTAR PERFORMANCE
$92.99A flexplate is critical to your LS engine's reliability, and choosing the right one directly impacts your ignition timing, engine balance, and transmission engagement. The Allstar Performance 168T...ALL26840- SKU:
- ALL26840
- Availability:
- Ships Same Business Day
- Weight:
- 6.50 LBS
$92.99 -
Winters CT525 Crankshaft Adapter Steel Cadmium 64976
WINTERS
$73.99If you're running a Winters crankshaft coupler on an LS-Series engine, this adapter is the critical link between your rotating assembly and the rest of your drivetrain. A precision-engineered...WIN64976- SKU:
- WIN64976
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- 64976
$73.99 -
Pwrgld Mstr Overhaul Kit 749000
TCI
$266.95A Powerglide transmission pushed to its limits demands a complete rebuild using OEM-quality components—and this master overhaul kit delivers everything you need in one package. Whether you're...TCI749000- SKU:
- TCI749000
- Availability:
- Ships Same Business Day
- Weight:
- 8.25 LBS
- MFG Part #:
- 749000
$266.95 -
Powerglide High Gear Hub 748300
TCI
$85.95The Powerglide High Gear Hub 748300 is essential for maintaining consistent power delivery and engagement in your high-gear applications. A worn or damaged clutch hub compromises shift quality and...TCI748300- SKU:
- TCI748300
- Availability:
- Ships Same Business Day
- Weight:
- 1.05 LBS
- MFG Part #:
- 748300
$85.95 -
1/4in Motor Plate Spacer Kit 745504
TCI
$38.95Fine-tuning torque converter engagement is critical for consistent launch performance and driveline reliability in high-RPM applications. This 1/4in spacer kit allows you to dial in the exact...TCI745504- SKU:
- TCI745504
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
- MFG Part #:
- 745504
$38.95 -
P/G Adjustable Front Pump Drive Kit w/1 pc Re 745004
TCI
$259.95If you're running a Powerglide transmission in your Chevy V8 build, a reliable front pump drive is non-negotiable for consistent oil pressure and transmission longevity. This P/G adjustable kit gives...TCI745004- SKU:
- TCI745004
- Availability:
- Ships Same Business Day
- Weight:
- 4.68 LBS
- MFG Part #:
- 745004
$259.95 -
Front Pump Drive pwrglid 745000
TCI
$249.95A reliable front pump drive is critical for maintaining consistent hydraulic pressure in your Powerglide transmission—it's the component that keeps your transmission fluid circulating under all...TCI745000- SKU:
- TCI745000
- Availability:
- Ships Same Business Day
- Weight:
- 4.78 LBS
- MFG Part #:
- 745000
$249.95 -
P/G Manual V/B-Std Pattr 744200
TCI
$459.95If you're running a manual-shifted Powerglide in competition, your valve body is the critical link between driver input and transmission response. This forward-pattern manual valve body kit delivers...TCI744200- SKU:
- TCI744200
- Availability:
- Ships Same Business Day
- Weight:
- 14.97 LBS
- MFG Part #:
- 744200
$459.95Qty in Cart: 0Quantity:Price:$459.95Subtotal: -
P/G Dipstick Short 743850
TCI
$82.95Accurate transmission fluid monitoring is critical for Powerglide performance and longevity. This short dipstick eliminates guesswork with a locking mechanism that keeps it securely seated,...TCI743850- SKU:
- TCI743850
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- 743850
$82.95 -
P/G Filler Tube W/Stick 743800
TCI
$64.95Accurate transmission fluid monitoring is essential for maintaining optimal hydraulic pressure and shift quality in your Powerglide transmission. This OEM-length dipstick with locking mechanism...TCI743800- SKU:
- TCI743800
- Availability:
- Ships Same Business Day
- Weight:
- 0.68 LBS
- MFG Part #:
- 743800
$64.95Qty in Cart: 0Quantity:Price:$64.95Subtotal: -
P/G 11in Circle Track Torque Converter 741125
TCI
$639.95If you're running circle track competition, your torque converter is the critical link between engine power and track performance. This 11-inch P/G converter delivers the precise 1800-2100 RPM stall...TCI741125- SKU:
- TCI741125
- Availability:
- Ships Same Business Day
- Weight:
- 31.85 LBS
- MFG Part #:
- 741125
$639.95 -
Torque Converter GM Powerglide 741025
TCI
$529.95If you're running a circle track Powerglide setup, converter stall speed directly impacts your launch performance and consistency off the line. This 10-inch converter with 1800-2000 RPM stall gives...TCI741025- SKU:
- TCI741025
- Availability:
- Ships Same Business Day
- Weight:
- 27.20 LBS
- MFG Part #:
- 741025
$529.95 -
P/G Rev Friction Clutchs 724100
TCI
$38.95If you're running a Powerglide transmission at serious RPMs, your reverse clutch pack is working harder than most people realize—and factory friction material simply won't hold up under repeated...TCI724100- SKU:
- TCI724100
- Availability:
- Ships Same Business Day
- Weight:
- 0.86 LBS
- MFG Part #:
- 724100
$38.95 -
P/G Kolene Steel Plates 724002
TCI
$49.95Powerglide transmissions demand clutch plates engineered for consistent engagement and durability under high-load conditions. These P/G Kolene steel plates are nitride-treated to resist wear and heat...TCI724002- SKU:
- TCI724002
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
- MFG Part #:
- 724002
$49.95 -
Hi Gear Friction Clutch Pack(5) 724000
TCI
$35.95If you're running a Powerglide transmission in a high-performance application, clutch pack quality directly impacts your ability to transfer power consistently and reliably under load. These Hi Gear...TCI724000- SKU:
- TCI724000
- Availability:
- Ships Same Business Day
- Weight:
- 0.67 LBS
- MFG Part #:
- 724000
$35.95
