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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Coleman Q/C Gear Pro-Lite Set 207-10
COLEMAN MACHINE
$166.99Quick Change Gear SetPro-LiteSet 1010 Spline4.11 Ratios 4.56 / 3.044.86 Ratios 6.58 / 3.59SteelEachCOL207-10- SKU:
- COL207-10
- Availability:
- Ships Same Business Day
- Weight:
- 3.78 LBS
$166.99 -
Coleman Q/C Gear Pro-Lite Set 207-1
COLEMAN MACHINE
$166.99Quick Change Gear SetPro-LiteSet 110 Spline4.11 Ratios 4.11 / 4.114.86 Ratios 4.86 / 4.86SteelEachCOL207-1- SKU:
- COL207-1
- Availability:
- Ships Same Business Day
- Weight:
- 3.30 LBS
$166.99 -
Coleman Alum. Driveshaft 49.5in 16631
COLEMAN MACHINE
$383.99Drive Shaft49-1/2 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachCOL16631- SKU:
- COL16631
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$383.99 -
Coleman Alum. Driveshaft 49in 16630
COLEMAN MACHINE
$383.99Drive Shaft49 in Long3 in OD1310 U-JointsAluminumNaturalUniversalEachCOL16630- SKU:
- COL16630
- Availability:
- Ships Same Business Day
- Weight:
- 11.00 LBS
$383.99 -
On Sale
Brinn Output Shaft Predator Transmission 74602
BRINN TRANSMISSION
MSRP: $492.99Now: $444.00Was: $492.99Transmission Output ShaftSteelBrinn Predator TransmissionsEachBRI74602- SKU:
- BRI74602
- Availability:
- Ships Same Business Day
- Weight:
- 4.00 LBS
MSRP: $492.99Now: $444.00Was: $492.99Qty in Cart: 0Quantity:Price:MSRP: $492.99Now: $444.00Was: $492.99Subtotal: -
Brinn Shifter Assm. Internal Predator Transmission 72622
BRINN TRANSMISSION
$212.99Shifter AssemblyInternalBrinn Predator TransmissionKitBRI72622- SKU:
- BRI72622
- Availability:
- Ships Same Business Day
- Weight:
- 2.00 LBS
$212.99 -
Brinn Rebuild Kit Predator Transmission 70641
BRINN TRANSMISSION
$196.99Transmission Rebuild KitBasicBushings / SealsBrinn Predator TransmissionsKitBRI70641- SKU:
- BRI70641
- Availability:
- Ships Same Business Day
- Weight:
- 0.90 LBS
$196.99 -
Brinn Shift Pattern Plate 70631
BRINN TRANSMISSION
$28.99Shifter Gate PlateSteelBlack Powder CoatBrinn Predator Circle Track TransmissionEachBRI70631- SKU:
- BRI70631
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
$28.99Qty in Cart: 0Quantity:Price:$28.99Subtotal: -
Bert Extension Bushing SG-1356
BERT TRANSMISSIONS
$42.99Transmission BushingTailshaft HousingBert Late Model TransmissionEachBERSG-1356- SKU:
- BERSG-1356
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$42.99 -
Bert Output Bushing SG-1300 & SG-1400 SG-1304
BERT TRANSMISSIONS
$19.99Transmission BushingOutputAluminumNaturalBert Second Generation TransmissionsEachBERSG-1304- SKU:
- BERSG-1304
- Availability:
- Ships Same Business Day
- Weight:
- 0.20 LBS
$19.99 -
Bert Tail Housing Tube Late Model SG-1303
BERT TRANSMISSIONS
$86.99Tailshaft TubeAluminumGold AnodizedBert Late Model Sub AssemblyEachBERSG-1303- SKU:
- BERSG-1303
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
$86.99 -
Bert Output Shaft SG-1300 SG-1302
BERT TRANSMISSIONS
$509.99Transmission Output ShaftSteelBert Second Generation TransmissionsEachBERSG-1302- SKU:
- BERSG-1302
- Availability:
- Ships Same Business Day
- Weight:
- 3.35 LBS
$509.99 -
Bert Dirt Modified Aluminum Transmission (GEN 2) with Shifter 78-SG SG-1200(78-SG)
BERT TRANSMISSIONS
$2,548.99Transmission Second Gen Manual 2-Forward Speeds Reverse Internal Hydraulic Clutch 10 Input Spline Aluminum Case Kit 10 pounds lighter than original MOZ Transmission. 50% Less Rotating Weight. Better Ratio for clutch to engage quicker. Uses same length...BERSG1200- SKU:
- BERSG1200
- Availability:
- Ships Same Business Day
- Weight:
- 45.00 LBS
$2,548.99Qty in Cart: 0Quantity:Price:$2,548.99Subtotal: -
Bert Spring 5/16 SG-1158
BERT TRANSMISSIONS
$1.99Transmission SpringDetentBert Late Model TransmissionsEachBERSG-1158- SKU:
- BERSG-1158
- Availability:
- Ships Same Business Day
- Weight:
- 0.06 LBS
$1.99 -
Bert Gear selector SG-1101
BERT TRANSMISSIONS
$269.99Transmission Gear SelectorHi GearSteelBert Second Generation TransmissionsEachBERSG-1101- SKU:
- BERSG-1101
- Availability:
- Ships Same Business Day
- Weight:
- 0.55 LBS
$269.99 -
Bert Plunger SG-1035-02
BERT TRANSMISSIONS
$12.99Manual Transmission PlungerSteelBert Second Gen TransmissionEachBERSG-1035-02- SKU:
- BERSG-1035-02
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$12.99 -
Bert Plunger Small Ball 1/4in Diameter SG-1035-01
BERT TRANSMISSIONS
$14.99Manual Transmission PlungerSteelBert Second Gen TransmissionEachBERSG-1035-01- SKU:
- BERSG-1035-01
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$14.99Qty in Cart: 0Quantity:Price:$14.99Subtotal: -
Bert Drive Flange Steel LS1 Chevy 7-LS1
BERT TRANSMISSIONS
$124.99Crankshaft Coupler10 SplineSteelBert TransmissionsGM LS-SeriesEachBER7-LS1- SKU:
- BER7-LS1
- Availability:
- Ships Same Business Day
- Weight:
- 2.20 LBS
$124.99 -
Bert Plug 3/4in Cup 76
BERT TRANSMISSIONS
$1.99Freeze Plug3/4 inSteelZinc OxideBert TransmissionsEachBER76- SKU:
- BER76
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
$1.99Qty in Cart: 0Quantity:Price:$1.99Subtotal: -
Bert Flywheel Ring Gear SBC Offset .080 370-NYM
BERT TRANSMISSIONS
$95.99Flywheel Ring Gear63 TeethSteelNaturalBert TransmissionSmall Block ChevyEachBER370-NYM- SKU:
- BER370-NYM
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
$95.99