Drivetrain
Circle Track Drivetrain Parts: Transmissions, Clutches & Shifters for IMCA Racing at JJ Motorsports
Transfer power efficiently in your circle track racer with premium drivetrain components from JJ Motorsports. Our selection includes transmissions, clutches, shifters, differentials, bellhousings, and more, designed for superior performance, durability, and quick shifts in late models, modifieds, street stocks, and IMCA dirt racing. These high-quality parts ensure reliable power delivery and endurance under competitive track conditions.
Shop trusted brands like Winters Performance and Maxima Racing Oils. Explore related categories such as circle track chassis components for frame upgrades or circle track brakes for stopping power.
Top Circle Track Drivetrain Products
- Winters Falcon LM Transmission 2-Speed Manual Aluminum Case 18 Spline Input WIN60100 – High-performance 2-speed manual transmission for late model racing, with aluminum case, internal hydraulic clutch, IMCA approved for Stock Car, Modified, and Late Model classes; includes crankshaft coupler, 2.4:1 low gear, 1:1 high, reverse, 18 spline input, 27 spline output, 21-5/8" length, and 43 lbs weight.
- 2-Lever Floor Mount Shifter Assembly - Black Aluminum for IMCA UMP Racing – Durable shifter for IMCA and UMP racing, made from high-quality aluminum with black anodized finish; weighs 2 lbs, includes hardware for quick installation, and offers universal fit for efficient gear changes.
- Chevy Clutch Hydraulic Release Throwout Bearing Kit - Racing – Upgrades drivetrain with easy installation; includes hydraulic release bearing, CNC-machined housing, anti-rotation studs, adjusting lock nuts, AN Teflon-lined hose, and adapter fittings; compatible with Chevrolet, BOP, GMC manual transmissions and 5.5-7.25" racing clutches; features fail-safe design and lower pedal effort.
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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Strange Oval Axle 31-Spline 35.50in 1.200in OD AGY12003550
STRANGE OVAL
$320.99Axle Shaft35-1/2 in Long31 Spline Carrier24 Spline Drive FlangeGun DrilledNaturalEachSOTAGY12003550- SKU:
- SOTAGY12003550
- Availability:
- Ships Same Business Day
- Weight:
- 21.00 LBS
$320.99 -
Strange Oval Axle 31 Spline 36.00in 1.130in OD AGY11303600
STRANGE OVAL
$320.99Axle Shaft36 in Long31 Spline Carrier24 Spline Drive FlangeGun DrilledNaturalEachSOTAGY11303600- SKU:
- SOTAGY11303600
- Availability:
- Ships Same Business Day
- Weight:
- 8.70 LBS
$320.99 -
Strange Oval Axle 31 Spline 35.50in 1.130in OD AGY11303550
STRANGE OVAL
$320.99Axle Shaft35-1/2 in Long31 Spine Carrier24 Spline Drive FlangeGun DrilledNaturalEachSOTAGY11303550- SKU:
- SOTAGY11303550
- Availability:
- Ships Same Business Day
- Weight:
- 8.50 LBS
$320.99 -
Strange Oval Axle 31-Spline 27.50in 1.080in OD AGY10802750
STRANGE OVAL
$320.99Axle Shaft27-1/2 in Long31 Spline Carrier24 Spline Drive Flange1.080 in ODSteelNaturalEachSOTAGY10802750- SKU:
- SOTAGY10802750
- Availability:
- Ships Same Business Day
- Weight:
- 6.00 LBS
$320.99 -
Strange Oval Axle 31 Spline 32.50in 1.115in OD Solid AGU11153250
STRANGE OVAL
$260.99Axle Shaft32-1/2 in Long31 Spine Carrier24 Spline Drive FlangeGun DrilledNaturalEachSOTAGU11153250- SKU:
- SOTAGU11153250
- Availability:
- Ships Same Business Day
- Weight:
- 10.01 LBS
$260.99 -
Strange Oval Axle 31-Spline 28.50in .940 OD Solid AGU09402850
STRANGE OVAL
$260.99Axle Shaft28-1/2 in Long31 Spline Carrier24 Spline Drive Flange0.940 in ODSteelNaturalEachSOTAGU09402850- SKU:
- SOTAGU09402850
- Availability:
- Ships Same Business Day
- Weight:
- 9.00 LBS
$260.99 -
Simpson Shift Boot Cover SFI 36012S
SIMPSON SAFETY
$101.95Shifter Boot CoverSFI 48.17.25 in x 6.25 in BaseNomex / Kevlar LiningBlackSIM36012S- SKU:
- SIM36012S
- Availability:
- Ships Same Business Day
- Weight:
- 0.50 LBS
$101.95 -
Differential Full Spool Ford 9in 31 Spline 81-0931-1
RICHMOND
$224.99SpoolFullsize31 SplineSteelFord 9 inRIC81-0931-1- SKU:
- RIC81-0931-1
- Availability:
- Ships Same Business Day
- Weight:
- 8.70 LBS
$224.99 -
Differential Mini Spool GM 7.6in 28 Spline 78-7628-1
RICHMOND
$106.99SpoolMini28 SplineSteel7.625 inEachRIC78-7628-1- SKU:
- RIC78-7628-1
- Availability:
- Ships Same Business Day
- Weight:
- 4.40 LBS
$106.99 -
Differential Mini Spool GM 7.5in 28 Spline 78-7528-1
RICHMOND
$112.99SpoolMini28 SplineSteel7.5 inEachRIC78-7528-1- SKU:
- RIC78-7528-1
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
$112.99 -
Super T-10 Four Speed Trans. w/2.43 S Ratio 1304000070
RICHMOND
$2,874.99TransmissionSuper T10Manual4 Speed26 Input SplineAluminumGMKitRIC1304000070- SKU:
- RIC1304000070
- Availability:
- Ships Same Business Day
- Weight:
- 87.15 LBS
$2,874.99Qty in Cart: 0Quantity:Price:$2,874.99Subtotal: -
Super T-10 Four Speed Trans. w/2.64 W Ratio 1304000069
RICHMOND
$2,874.99TransmissionSuper T10Manual4 Speed26 Input SplineAluminumGMKitRIC1304000069- SKU:
- RIC1304000069
- Availability:
- Ships Same Business Day
- Weight:
- 87.00 LBS
$2,874.99 -
GM 10.5 Lightweight Pressure Plate 1675L
RAM CLUTCH
$129.00Clutch Pressure PlateDiaphragm10-1/2 in in DiameterLightweightGMRAM1675L- SKU:
- RAM1675L
- Availability:
- Ships Same Business Day
- Weight:
- 17.80 LBS
$129.00 -
Quarter Master Bellhousing Kit Bert / Brinn w/ KSE KRC Mount 115509124TMKSE
QUARTER MASTER
$1,761.25BellhousingClutchlessBellhousing / Flywheel / Hardware / StarterReverse MountKSE / KRC Mount IncludedGold2 Piece SealChevyBert / BrinnKitQTR115509124TMKSE- SKU:
- QTR115509124TMKSE
- Availability:
- Ships Same Business Day
- Weight:
- 38.65 LBS
$1,761.25 -
Quarter Master Bellhousing SBC Steel Block Mnt Starter 110432C
QUARTER MASTER
$648.70BellhousingBlock Mount StarterSteelBlue Powder CoatSmall Block ChevyQTR110432-C- SKU:
- QTR110432-C
- Availability:
- Ships Same Business Day
- Weight:
- 27.80 LBS
$648.70 -
Quarter Master Ring Gear 110t Rear Mount 110001
QUARTER MASTER
$139.09Flywheel Ring Gear110 ToothSteel4.5in / 5.5 in Quarter Master ClutchesEachQTR110001- SKU:
- QTR110001
- Availability:
- Ships Same Business Day
- Weight:
- 1.11 LBS
$139.09 -
Quarter Master Bellhousing Kit SBC Crate 5.5in V-Drive 2d 10028591ZZ
QUARTER MASTER
$2,083.85BellhousingDual DiscBellhousing / Flywheel / Hardware / StarterReverse MountAluminumSmall Block ChevyKitQTR10028591ZZ- SKU:
- QTR10028591ZZ
- Availability:
- Ships Same Business Day
- Weight:
- 37.00 LBS
$2,083.85 -
QA1 Driveshaft Carbon 31.5in Modified w/o Yoke JJ-12214
QA1
$809.99Drive ShaftDirt Modified31.5 in Long2.25 in OD1310 U-JointsUniversalEachQA1JJ-12214- SKU:
- QA1JJ-12214
- Availability:
- Ships Same Business Day
- Weight:
- 5.70 LBS
$809.99Qty in Cart: 0Quantity:Price:$809.99Subtotal: -
QA1 Driveshaft Carbon 32in Modified w/Yoke JJ-12207
QA1
$899.99Drive ShaftDirt Modified32 in Long2.25 in OD1310 U-JointsCarbon FiberUniversalEachQA1JJ-12207- SKU:
- QA1JJ-12207
- Availability:
- Ships Same Business Day
- Weight:
- 8.10 LBS
$899.99Qty in Cart: 0Quantity:Price:$899.99Subtotal: -
QA1 Driveshaft Carbon 29.5in Modified w/Yoke JJ-12202
QA1
$899.99Drive ShaftDirt Modified29.5 in Long2.25 in OD1310 U-JointsCarbon FiberUniversalEachQA1JJ-12202- SKU:
- QA1JJ-12202
- Availability:
- Ships Same Business Day
- Weight:
- 7.90 LBS
$899.99Qty in Cart: 0Quantity:Price:$899.99Subtotal: