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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PEM Quick Change Rear 4.11 Max Center Pinion 60 QCKSTGN5-411MAX-60CP
PEM
$3,194.99Rear Axle AssemblyMaxCentered Pinion10 in Ring Gear4.11 Ratio60 in WideBlack Thermal CoatingKitPEMQCKSTGN5-411MAX-60CP- SKU:
- PEMQCKSTGN5-411MAX-60CP
- Availability:
- Ships Same Business Day
- Weight:
- 270.00 LBS
$3,194.99 -
PEM Quick Change Rear End 4.11 60in center QCKSTGN5-411-60CP
PEM
$2,439.99Rear Axle Assembly Centered Pinion 10 in Ring Gear 4.11 Ratio Standard Hubs / Rotors Kit Upgrade your race car's performance with the PEM Quick Change Rear End for Modifieds, the ultimate solution for drivers seeking superiority on the track. Designed...PEMQCKSTGN5-411-60CP- SKU:
- PEMQCKSTGN5-411-60CP
- Availability:
- Ships Same Business Day
- Weight:
- 200.00 LBS
$2,439.99 -
PEM Quick Change Rear 4.11 Max 2in Off Pinion 60 QCKSTGN5-411MAX-2OFF
PEM
$3,194.99Rear Axle AssemblyMax2 in Offset Pinion10 in Ring Gear4.11 Ratio60 in WideBlack Thermal CoatingKitPEMQCKSGN5-411MAX-2OFF- SKU:
- PEMQCKSGN5-411MAX-2OFF
- Availability:
- Ships Same Business Day
- Weight:
- 206.00 LBS
$3,194.99 -
PEM Ring and Pinion 650 Ratio LW Xtreme PG Ford PGF9/650LW
PEM
$227.99Ring and PinionLightweight6.50 Ratio28 SplineFord 9 inPEMPGF9/650LW- SKU:
- PEMPGF9/650LW
- Availability:
- Ships Same Business Day
- Weight:
- 17.00 LBS
$227.99 -
PEM New Floater Housing Kit 61in Centered 5x5 HNK3053055
PEM
$1,156.99Rear Axle HousingFord 9 in Floater61 in WideCentered5 x 5 in HubSolid AxlesSteelNaturalKitPEMHNK3053055- SKU:
- PEMHNK3053055
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
$1,156.99 -
PEM New Floater Housing 62in Centered HN310310
PEM
$593.99Rear Axle HousingFord 9 in Floater62 in WideCentered2.5 in GN HubsNaturalEachPEMHN310310- SKU:
- PEMHN310310
- Availability:
- Ships Same Business Day
- Weight:
- 55.00 LBS
$593.99 -
PEM Ring And Pinion 583 Ratio Lightened F9583LW
PEM
$230.99Ring and Pinion5.83 RatioLightweightFord 9 inKitPEMF9583LW- SKU:
- PEMF9583LW
- Availability:
- Ships Same Business Day
- Weight:
- 21.00 LBS
$230.99 -
PEM New Center Section FS 7.00 Ratio 31 Spline L/W CSFS70031LW
PEM
$877.99Differential CaseAssembled7.00 Ratio31 SplineSteel SpoolFord 9 inEachPEMCSFS70031LW- SKU:
- PEMCSFS70031LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$877.99 -
PEM New Center Section FS 6.83 Ratio 31 Spline L/W CSFS68331LW
PEM
$877.99Differential CaseAssembled6.83 Ratio31 SplineSteel SpoolFord 9 inEachPEMCSFS68331LW- SKU:
- PEMCSFS68331LW
- Availability:
- Ships Same Business Day
- Weight:
- 7.00 LBS
$877.99 -
PEM New Center Section FS 6.66 Ratio 31 Spline L/W CSFS66631LW
PEM
$877.99Differential CaseAssembled6.66 Ratio31 SplineSteel SpoolFord 9 inEachPEMCSFS66631LW- SKU:
- PEMCSFS66631LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$877.99 -
PEM New Center Section FS LW 650 Ratio 31 Spline CSFS65031LW
PEM
$799.99Differential CaseAssembled6.50 Ratio31 SplineSteel SpoolFord 9 inEachPEMCSFS65031LW- SKU:
- PEMCSFS65031LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$799.99 -
PEM New Center Section FS LW 583 Ratio 31 Spline CSFS58331LW
PEM
$799.99Differential CaseAssembled5.83 Ratio31 SplineSteel SpoolFord 9 inEachPEMCSFS58331LW- SKU:
- PEMCSFS58331LW
- Availability:
- Ships Same Business Day
- Weight:
- 75.00 LBS
$799.99 -
Carrier Shims 7.5 - 8.5 GM 10 Bolt Rearend SS10
MOTIVE GEAR
$21.99Differential ShimSteelNaturalFord / GMKitMOTSS10- SKU:
- MOTSS10
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
$21.99 -
BK FORD 8.8in 81-10 R8.8RMKT
MOTIVE GEAR
$139.99Differential Installation KitMasterBearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread LockerFord 8.8 inKitMOTR8.8RMKT- SKU:
- MOTR8.8RMKT
- Availability:
- Ships Same Business Day
- Weight:
- 5.80 LBS
$139.99 -
Master Install Kit 8.5in w/Eaton or Auburn Unit R10REMKT
MOTIVE GEAR
$169.99Differential Install KitMasterBearings / Crush Sleeve / Gaskets / Hardware / Seals / Shims / Thread Locker8.5 inGM 10 BoltMOTR10REMKT- SKU:
- MOTR10REMKT
- Availability:
- Ships Same Business Day
- Weight:
- 5.65 LBS
$169.99 -
Shifter Boot Koolmat SFI Approved #07063
KOOL MAT
$133.99Shifter Boot CoverSFI 48.18.50 x 7.50 in BaseNomexBlackKOO07063- SKU:
- KOO07063
- Availability:
- Ships Same Business Day
- Weight:
- 0.29 LBS
$133.99 -
Rear Diff Fill Tank 12an w/Vented Cap KR9090-12V
KEVKO OIL PANS & COMPONENTS
$109.99Remote Fill Tank12 AN OutletVented CapEachKEVKR9090-12V- SKU:
- KEVKR9090-12V
- Availability:
- Ships Same Business Day
- Weight:
- 1.16 LBS
$109.99 -
Rear Diff Fill Tank 10an w/Vented Cap KR9090-10V
KEVKO OIL PANS & COMPONENTS
$109.99Rear End Fill TankVented Filler Tank10 AN OutletAluminumNaturalEachKEVKR9090-10V- SKU:
- KEVKR9090-10V
- Availability:
- Ships Same Business Day
- Weight:
- 1.13 LBS
$109.99Qty in Cart: 0Quantity:Price:$109.99Subtotal: -
Joes Drive Flange 5 x 5 Steel 25045
JOES RACING PRODUCTS
$139.95Drive Flange5 x 5 in Wheel Bolt Pattern24 SplineSteelBlack OxideJOE25045- SKU:
- JOE25045
- Availability:
- Ships Same Business Day
- Weight:
- 2.46 LBS
$139.95 -
Sleeve Bushing JER-0064
JERICO
$16.99Transmission BushingOutputAluminumNaturalJerico TransmissionJER0064- SKU:
- JER0064
- Availability:
- Ships Same Business Day
- Weight:
- 0.37 LBS
$16.99