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!
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- Price
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Winters aluminum Wide 5 axle housing tube 30-3/16 in length 3 in OD black anodized WIN6672L-36
WINTERS
$212.99This Winters Performance aluminum axle housing tube is designed for 3/4 ton Wide 5 applications, offering a durable and lightweight solution for your racing needs. With a length of 30-3/16 inches and a 3-inch outer diameter, it provides the strength and...WIN6672L-36- SKU:
- WIN6672L-36
- Availability:
- Ships Same Business Day
- Weight:
- 7.20 LBS
- MFG Part #:
- 6672L-36
$212.99 -
Winters 28-3/16" Aluminum Axle Tube 3" OD Straight 3/4 Ton Wide 5 Black Anodized 6672-34
WINTERS
$253.99This Winters axle tube is designed for 3/4 ton Wide 5 applications, featuring a straight, 28-3/16-inch length and a 3-inch outer diameter. Constructed from durable aluminum and finished with a black anodized coating, it offers both strength and corrosion...WIN6672-34- SKU:
- WIN6672-34
- Availability:
- Ships Same Business Day
- Weight:
- 6.63 LBS
- MFG Part #:
- 6672-34
$253.99 -
Winters HD Sprint Gear Cover Heavy Duty 10-Bolt Ball Bearings Aluminum Natural 6630
WINTERS
$262.99The Winters HD Sprint Gear Cover 6630 is a heavy-duty, 10-bolt gear cover designed for quick-change rear ends in sprint cars. Constructed from natural aluminum, it features ball bearings for smooth operation and is compatible with Winters Quick Change...WIN6630- SKU:
- WIN6630
- Availability:
- Ships Same Business Day
- Weight:
- 3.80 LBS
- MFG Part #:
- 6630
$262.99 -
Winters 8-Bolt Wide 5 Spindle Snout Heat Treated Steel WIN6620HT
WINTERS
$136.99The Winters 8-Bolt Wide 5 Spindle Snout is a high-performance rear axle component designed for durability and precision. Constructed from heat-treated steel, it offers enhanced strength and resistance to wear, making it ideal for racing applications...WIN6620HT- SKU:
- WIN6620HT
- Availability:
- Ships Same Business Day
- Weight:
- 4.58 LBS
- MFG Part #:
- 6620HT
$136.99 -
Winters 8-Bolt Wide 5 Cambered Spindle 1.5° Steel Snout WIN6620C-15HT
WINTERS
$174.99The Winters 8-Bolt Wide 5 Cambered Spindle 1.5° Steel Snout is a high-quality rear axle component designed for enhanced performance in racing applications. Crafted from durable steel, this bolt-on snout features a 1.5-degree camber angle, an 8-bolt...WIN6620C-15HT- SKU:
- WIN6620C-15HT
- Availability:
- Ships Same Business Day
- Weight:
- 4.45 LBS
- MFG Part #:
- 6620C-15HT
$174.99 -
Winters 8 Bolt Cambered Spindle Wide 5 Snout 1 Degree WIN6620C-10HT
WINTERS
$178.99Winters 8 Bolt Cambered Spindle Wide 5 Snout 1 Degree WIN6620C-10HT The Winters 8 Bolt Cambered Spindle Wide 5 Snout 1 Degree WIN6620C-10HT is a high-quality rear axle snout designed for racing applications. Crafted from heat-treated steel, it features...WIN6620C-10HT- SKU:
- WIN6620C-10HT
- Availability:
- Ships Same Business Day
- Weight:
- 4.54 LBS
- MFG Part #:
- 6620C-10HT
$178.99 -
Winters 8-Bolt Cambered Spindle Wide 5 0.5° Camber Steel WIN6620C-05
WINTERS
$195.99The Winters 8-Bolt Cambered Spindle Wide 5 0.5° Camber Steel WIN6620C-05 is a high-performance rear axle snout designed for racing applications. This bolt-on component features a 0.5-degree camber angle, an 8-bolt flange, and is constructed from durable...WIN6620C-05- SKU:
- WIN6620C-05
- Availability:
- Ships Same Business Day
- Weight:
- 4.61 LBS
- MFG Part #:
- 6620C-05
$195.99 -
Winters Drive Yoke Spacer 0.235" Thick Steel Quick Change WIN6532
WINTERS
$21.99The Winters Drive Yoke Spacer is a precision-engineered component designed to enhance the performance and durability of your drivetrain system. Manufactured from high-quality steel, this spacer is specifically tailored for Winters Quick Change rear ends,...WIN6532- SKU:
- WIN6532
- Availability:
- Ships Same Business Day
- Weight:
- 0.08 LBS
- MFG Part #:
- 6532
$21.99 -
Winters CT525 Crankshaft Adapter Steel Cadmium 64976
WINTERS
$73.99The Winters CT525 Crankshaft Adapter is a precision-engineered component designed to facilitate the connection between Winters Crankshaft Couplers and GM LS-Series engines. Constructed from durable steel and finished with a cadmium plating, this adapter...WIN64976- SKU:
- WIN64976
- Availability:
- Ships Same Business Day
- Weight:
- 1.20 LBS
- MFG Part #:
- 64976
$73.99 -
Winters Posi-Lock Retainer Pinion Shaft Aluminum Quick Change WIN6484
WINTERS
$36.99The Posi-Lock Retainer- Pinion Shaft is a high-quality aluminum component designed for Winters Quick Change rear ends. It ensures secure pinion shaft retention, enhancing the durability and performance of your drivetrain system. Constructed from...WIN6484- SKU:
- WIN6484
- Availability:
- Ships Same Business Day
- Weight:
- 0.10 LBS
- MFG Part #:
- 6484
$36.99 -
Winters Filler Panel Bellhousing Steel Cadmium WIN64334
WINTERS
$12.99The Winters Filler Panel Bellhousing WIN64334 is a steel bellhousing plate with a cadmium finish, designed to provide a secure and durable seal for your transmission system. This filler panel is sold individually and is compatible with Winters...WIN64334- SKU:
- WIN64334
- Availability:
- Ships Same Business Day
- Weight:
- 0.19 LBS
- MFG Part #:
- 64334
$12.99Qty in Cart: 0Quantity:Price:$12.99Subtotal: -
Winters SBC External Balanced Flywheel 18-Spline Steel WIN63844-18
WINTERS
$186.99The Winters SBC External Balanced Flywheel is engineered for Small Block Chevy V8 engines, featuring an 18-spline design and constructed from durable steel. This flywheel ensures precise external balancing, enhancing engine performance and reliability. ...WIN63844-18- SKU:
- WIN63844-18
- Availability:
- Ships Same Business Day
- Weight:
- 3.28 LBS
- MFG Part #:
- 63844-18
$186.99 -
Winters Falcon Transmission 9" Slip Yoke 27 Spline 1-1/16" Bearing 1310 U-Joint WIN62946-9
WINTERS
$133.99This high-quality slip yoke is designed for the Winters Falcon Transmission, featuring a 27-spline configuration and a 9-inch length. Crafted from durable steel with a natural finish, it accommodates a 1-1/16-inch bearing and is compatible with 1310...WIN62946-9- SKU:
- WIN62946-9
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MFG Part #:
- 62946-9
$133.99 -
Winters 8" Slip Yoke 27 Spline 1-1/16" Bearing Steel 1310 U-Joint WIN62946-8
WINTERS
$108.99The Winters 8in LONG HEAT TREAT YOKE is a high-quality slip yoke designed for the Winters Falcon Transmission. Constructed from durable steel with a natural finish, this yoke features a 27-spline design and is 8 inches in length, ensuring a secure and...WIN62946-8- SKU:
- WIN62946-8
- Availability:
- Ships Same Business Day
- Weight:
- 1.37 LBS
- MFG Part #:
- 62946-8
$108.99 -
Winters 1310 Series 27 Spline 6" Slip Yoke Steel 1-1/16" Bearing WIN62946-6
WINTERS
$93.99The Winters 1310 Series 27 Spline 6in Long Slip Yoke is a high-quality component designed for optimal performance in high-torque applications. Constructed from durable steel with a natural finish, it features a 27-spline design and is compatible with...WIN62946-6- SKU:
- WIN62946-6
- Availability:
- Ships Same Business Day
- Weight:
- 2.01 LBS
- MFG Part #:
- 62946-6
$93.99 -
Winters Output Flange Yoke Roller Slide Steel Natural Falcon Tailshaft 62874
WINTERS
$93.99The Winters Output Flange Yoke Roller Slide 62874 is a high-quality slip yoke designed for Falcon Tailshaft housings. Constructed from durable steel with a natural finish, this component ensures reliable performance in demanding racing environments. ...WIN62874- SKU:
- WIN62874
- Availability:
- Ships Same Business Day
- Weight:
- 1.25 LBS
- MFG Part #:
- 62874
$93.99 -
Winters Flywheel Housing Assembly Bert/Brinn 6-1/4" Deep Aluminum Kit WIN62843B
WINTERS
$514.99The Winters Flywheel Housing Assembly is a high-quality bellhousing designed for Bert and Brinn transmissions, featuring a 6-1/4" deep aluminum construction. This kit includes essential components such as an idler gear, 63-tooth ring gear, crank coupler,...WIN62843B- SKU:
- WIN62843B
- Availability:
- Ships Same Business Day
- Weight:
- 21.86 LBS
- MFG Part #:
- 62843 w/8251-62447
$514.99 -
Winters Flywheel Housing Assembly 6-1/4" Deep Aluminum with Idler Gear and 63 Tooth Ring Gear WIN62843
WINTERS
$551.99This Winters Flywheel Housing Assembly is designed for late model Chevy engines, featuring a 6-1/4" deep aluminum bellhousing. It includes an idler gear, a 63-tooth ring gear, a crank coupler, HTD gear, and shims, all finished in natural aluminum...WIN62843- SKU:
- WIN62843
- Availability:
- Ships Same Business Day
- Weight:
- 20.83 LBS
- MFG Part #:
- 62843
$551.99 -
Winters SBC Crank Coupler 10 Spline 1.375" Input Shaft 2-Piece Seal Steel Cadmium WIN62447
WINTERS
$141.99The Winters SBC Crank Coupler is a high-performance component designed for Small Block Chevy engines. It features a 10-spline design with a 1.375-inch diameter input shaft, ensuring a secure and reliable connection. Constructed from steel and finished...WIN62447- SKU:
- WIN62447
- Availability:
- Ships Same Business Day
- Weight:
- 1.79 LBS
- MFG Part #:
- 62447
$141.99 -
Winters Crank Coupler Standard 18 Spline HTD Pulley Steel for Chevy V8 WIN62446
WINTERS
$139.99The Winters Crank Coupler is engineered for standard Chevrolet V8 engines, featuring an 18-spline design and a 24-tooth HTD pulley. Constructed from high-strength steel, this coupler ensures reliable power transfer and durability in high-performance...WIN62446- SKU:
- WIN62446
- Availability:
- Ships Same Business Day
- Weight:
- 1.93 LBS
- MFG Part #:
- 62446
$139.99
