Brakes
Circle Track Brakes & Components for IMCA, Late Models at JJ Motorsports
Achieve precise stopping power and superior control on the track with premium circle track brakes from JJ Motorsports. Our selection includes brake kits, rotors, hubs, calipers, master cylinders, and cooling systems designed for late models, modifieds, street stocks, and IMCA dirt racing. Built for reliability, high performance, and durability under intense racing conditions, these components ensure consistent braking and safety.
Shop trusted brands like Wilwood for top-quality hubs and rotors. Explore related categories such as circle track suspension and components for handling upgrades or circle track air and fuel for engine performance.
Top Circle Track Brake Products
- IMCA Mustang II Spindles with Hybrid 10" Rotor Kit 5x5 – Kit includes LH & RH IMCA Mustang II spindles, caliper brackets, hardware, rotor bearings, seals, and 10" hybrid style rotors with studs; ideal for IMCA dirt modifieds with 5x5 bolt pattern.
- Aluminum Wilwood Wide 5 Front Wheel Hub, Low-Drag REM Bearings, Races, Kit – Kit features Wilwood Starlite 55 hub assembly with studs, REM finished inner/outer bearings, low-drag seal, and bearing races; aluminum construction for wide 5 applications.
- 5x5 Grand National Full Floating Rear End Hub Kit – Lightweight Steel with Bearings & Hardware – Lightweight steel hub with black oxide coating, 5x5 bolt pattern, 24-spline drive flange, 2.5-inch ID tapered bearings, seals, and hardware; fits full floater rear axles with 2.5-inch ends.
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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Brake Fan - RH Wide 5 LMBFW5R
ULTRA COOL BRAKE FANS
$66.02Brake Fan - RH Wide 5 Brake Cooling FanPassenger SideHub Mounted12-1/2 in DiameterWide 5SteelCadmiumEachUCBLMBFW5R- SKU:
- UCBLMBFW5R
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- LMBFW5R
$66.02Qty in Cart: 0Quantity:Price:$66.02Subtotal: -
Brake Fan - LH Wide 5 LMBFW5L
ULTRA COOL BRAKE FANS
$66.02Brake Fan - LH Wide 5 Brake Cooling FanDriver SideHub Mounted12-1/2 in DiameterWide 5SteelCadmiumEachUCBLMBFW5L- SKU:
- UCBLMBFW5L
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- LMBFW5L
$66.02 -
Brake Fan - RH 5x4-1/2 to 5-1/8 w/.625 Studs LMBFS5-625R
ULTRA COOL BRAKE FANS
$66.02Brake Fan - RH 5x4-1/2 to 5-1/8 w/.625 StudsBrake Cooling FanPassenger SideHub Mounted11-1/2 in Diameter5 x 4-1/2 to 5-1/85/8 in StudsSteelCadmiumEachUCBLMBFS5-625R- SKU:
- UCBLMBFS5-625R
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- LMBFS5-625R
$66.02 -
Brake Fan - LH 5x4-1/2 to 5-1/8 w/.625 Studs LMBFS5-625L
ULTRA COOL BRAKE FANS
$66.02Brake Fan - LH 5x4-1/2 to 5-1/8 w/.625 StudsBrake Cooling FanDriver SideHub Mounted11-1/2 in Diameter5 x 4-1/2 to 5-1/85/8 in StudsSteelCadmiumEachUCBLMBFS5-625L- SKU:
- UCBLMBFS5-625L
- Availability:
- Ships Same Business Day
- Weight:
- 0.45 LBS
- MFG Part #:
- LMBFS5-625L
$66.02 -
On Sale
U-B Caliper Bracket Clamp On Superlite JFZ XL 12-0422
U-B MACHINE
MSRP: $50.99Now: $48.44Was: $50.99Caliper Bracket Clamp On Superlite JFZ XLBrake Caliper BracketRearClamp-On3 in OD Axle TubeSteelBlack PaintSuperlite CaliperEachUBM12-0422- SKU:
- UBM12-0422
- Availability:
- Ships Same Business Day
- Weight:
- 2.18 LBS
- MFG Part #:
- 12-0422
MSRP: $50.99Now: $48.44Was: $50.99 -
On Sale
U-B Caliper Bracket Superlite 12-0420
U-B MACHINE
MSRP: $17.99Now: $17.09Was: $17.99Caliper Bracket SuperliteBrake Caliper BracketRearWeld-On3 in OD Axle TubeSteelNaturalSuperlite CaliperEachUBM12-0420- SKU:
- UBM12-0420
- Availability:
- Ships Same Business Day
- Weight:
- 0.42 LBS
- MFG Part #:
- 12-0420
MSRP: $17.99Now: $17.09Was: $17.99 -
On Sale
U-B Caliper Bracket Clamp On Dynalite 12-0412
U-B MACHINE
MSRP: $50.99Now: $48.44Was: $50.99Caliper Bracket Clamp On DynaliteBrake Caliper BracketRearClamp-On3 in OD Axle TubeSteelBlack PaintDynalite CaliperEachUBM12-0412- SKU:
- UBM12-0412
- Availability:
- Ships Same Business Day
- Weight:
- 2.43 LBS
- MFG Part #:
- 12-0412
MSRP: $50.99Now: $48.44Was: $50.99 -
On Sale
U-B Caliper Bracket Dynalite 12-0410
U-B MACHINE
MSRP: $23.99Now: $22.79Was: $23.99Caliper Bracket Dynalite Brake Caliper BracketRearWeld-On3 in OD Axle TubeSteelNaturalDynalite CaliperEachUBM12-0410- SKU:
- UBM12-0410
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- 12-0410
MSRP: $23.99Now: $22.79Was: $23.99 -
On Sale
U-B Caliper Bracket GM Clamp 12-0403
U-B MACHINE
MSRP: $56.99Now: $54.14Was: $56.99Caliper Bracket GM Clamp Brake Caliper BracketRearClamp-On3 in OD Axle TubeSteelBlack PaintLarge GM CaliperEachUBM12-0403- SKU:
- UBM12-0403
- Availability:
- Ships Same Business Day
- Weight:
- 2.55 LBS
- MFG Part #:
- 12-0403
MSRP: $56.99Now: $54.14Was: $56.99 -
On Sale
U-B CALIPER BRACKET GM-3r 12-0401
U-B MACHINE
MSRP: $19.99Now: $18.99Was: $19.99CALIPER BRACKET GM-3r Brake Caliper BracketRearWeld-On3 in OD Axle TubeSteelNaturalLarge GM CaliperEachUBM12-0401- SKU:
- UBM12-0401
- Availability:
- Ships Same Business Day
- Weight:
- 0.99 LBS
- MFG Part #:
- 12-0401
MSRP: $19.99Now: $18.99Was: $19.99 -
On Sale
U-B Caliper Bracket Clamp on GM Metric 12-0400-C
U-B MACHINE
MSRP: $56.99Now: $54.14Was: $56.99Caliper Bracket Clamp on GM MetricBrake Caliper BracketRearClamp-On3 in OD Axle TubeSteelBlack PaintGM Metric CaliperEachUBM12-0400-C- SKU:
- UBM12-0400-C
- Availability:
- Ships Same Business Day
- Weight:
- 2.67 LBS
- MFG Part #:
- 12-0400-C
MSRP: $56.99Now: $54.14Was: $56.99 -
Proportioning Valve Scre Type AN Threads 90-2000
TILTON
$123.25Proportioning Valve Scre Type AN ThreadsProportioning Valve3 AN Female Inlet3 AN Female OutletAdjustable 150-1100 psiKnob TypeAluminumEachTIL90-2000- SKU:
- TIL90-2000
- Availability:
- Ships Same Business Day
- Weight:
- 0.46 LBS
- MFG Part #:
- 90-2000
$123.25 -
Proportioning Valve Lever Type 10mm Threads 90-1003
TILTON
$148.75Proportioning Valve Lever Type 10mm ThreadsProportioning Valve10 mm x 1.00 Female Inlet10 mm x 1.00 Female OutletAdjustable 150-1100 psiLever TypeAluminumEachTIL90-1003- SKU:
- TIL90-1003
- Availability:
- Ships Same Business Day
- Weight:
- 0.35 LBS
- MFG Part #:
- 90-1003
$148.75 -
Proportioning Valve Lever Type AN Threads 90-1000
TILTON
$148.75Proportioning Valve Lever Type AN ThreadsProportioning Valve3 AN Female Inlet3 AN Female OutletAdjustable 150-1100 psiLever TypeAluminumEachTIL90-1000- SKU:
- TIL90-1000
- Availability:
- Ships Same Business Day
- Weight:
- 0.48 LBS
- MFG Part #:
- 90-1000
$148.75 -
Master Cylinder 7/8in 78-875
TILTON
$250.75Master Cylinder 7/8in Master Cylinder78-Series7/8 in Bore1.100 in StrokeDirect / Remote ReservoirAluminumNaturalTilton 900-Series PedalsEachTIL78-875- SKU:
- TIL78-875
- Availability:
- Ships Same Business Day
- Weight:
- 0.60 LBS
- MFG Part #:
- 78-875
$250.75 -
Master Cylinder 13/16in 78-812
TILTON
$250.75Master Cylinder 13/16in Master Cylinder78-Series13/16 in Bore1.100 in StrokeDirect / Remote ReservoirAluminumNaturalTilton 900-Series PedalsEachTIL78-812- SKU:
- TIL78-812
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 78-812
$250.75 -
Master Cylinder 3/4in 78-750
TILTON
$250.75Master Cylinder 3/4in Master Cylinder78-Series3/4 in Bore1.100 in StrokeDirect / Remote ReservoirAluminumNaturalTilton 900-Series PedalsEachTIL78-750- SKU:
- TIL78-750
- Availability:
- Ships Same Business Day
- Weight:
- 0.58 LBS
- MFG Part #:
- 78-750
$250.75 -
Master Cylinder 5/8in 78-625
TILTON
$250.75Master Cylinder 5/8in Master Cylinder78-Series5/8 in Bore1.100 in StrokeDirect / Remote ReservoirAluminumNaturalTilton 900-Series PedalsEachTIL78-625- SKU:
- TIL78-625
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 78-625
$250.75 -
Master Cylinder 1in 78-1000
TILTON
$250.75Master Cylinder 1in Master Cylinder78-Series1 in Bore1.100 in StrokeDirect / Remote ReservoirAluminumNaturalTilton 900-Series PedalsEachTIL78-1000- SKU:
- TIL78-1000
- Availability:
- Ships Same Business Day
- Weight:
- 0.64 LBS
- MFG Part #:
- 78-1000
$250.75 -
7/8in Master Cylinder 76-875
TILTON
$123.257/8in Master Cylinder Master Cylinder76-Series7/8 in Bore1.100 in StrokeDirect / Remote ReservoirAluminumBlack Anodized2-1/4 in Flange MountEachTIL76-875- SKU:
- TIL76-875
- Availability:
- Ships Same Business Day
- Weight:
- 1.00 LBS
- MFG Part #:
- 76-875
$123.25
