Direct-Mount Caliper
Bolts to the factory Fit / Jazz front knuckle. No brackets, no adapters.
Pay in installments of $83.75 with
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Ships within 48 hours · Estimated delivery Aug 14 - Aug 19
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Description
2009-2026 Honda Fit / Jazz WD4 Direct-Mount Front Big Brake KitDirect Mount Series Front Axle 4 Piston 2009 2026 Honda Fit Jazz WD4 Direct Mount Front Big Brake Kit Big brakes built for a small, momentum driven car. This TTSPORT Direct Mount Series front big brake kit is engineered specifically for the Honda Fit Jazz around the WD4 forged 4 piston caliper, a 262 mm 21 mm internally vented rotor, and vehicle specific brake line fittings. The factory front brakes work for stock pace, but once you add stickier
Direct-Mount Series · Front Axle · 4-Piston
2009-2026 Honda Fit / Jazz WD4 Direct-Mount Front Big Brake Kit
Big brakes built for a small, momentum-driven car. This TTSPORT Direct-Mount Series front big brake kit is engineered specifically for the Honda Fit / Jazz around the WD4 forged 4-piston caliper, a Ø262 mm × 21 mm internally vented rotor, and vehicle-specific brake line fittings.
The factory front brakes work for stock pace, but once you add stickier tires, run canyon roads, or push autocross laps, they become the limit. This kit raises that ceiling with a stiffer forged caliper, more piston area, a larger rotor, and a firmer pedal—without forcing you into a 17-inch wheel.
Why Honda Fit / Jazz Builders Choose the WD4
4-Piston Forged Clamp
WD4 forged 4-piston caliper with 38 mm pistons and 45.4 cm² total piston area per caliper.
Matched Rotor Mass
Ø262 mm × 21 mm vented disc gives a real heat sink without overloading the front suspension or wheel.
Vehicle-Specific Brake Lines
Three-layer SUS304 braided lines with PTFE liner and PVC sheath, fittings sized for both chassis and caliper.
Compact 15-Inch Package
Designed to clear common 15 in wheels with 42 mm minimum spoke clearance.
Two-Piece Forged Body
Stiffer than cast OE calipers, so pedal travel goes into the pads—not into caliper flex.
WD4 Direct-Mount Technical Specifications & Kit Options
| Brake Caliper | |
|---|---|
| Series | Direct-Mount Series |
| Model / Application | WD4 |
| Axle Position | Front |
| Piston Count | 4-piston |
| Piston Type | Aluminum-alloy pistons without dust boots |
| Piston Diameter | 38 mm × 4 |
| Caliper Dimensions | L 205 mm × W 110 mm × H 89 mm |
| Total Piston Area | 45.4 cm² per caliper, all pistons combined |
| Manufacturing Process | Two-piece forged aluminum body |
| Net Weight | 1.80 kg per caliper, without pads |
| Surface Finish | High-temperature gloss coating |
| Recommended Wheel Size | 15 in or larger |
| Recommended Rotor Size | Ø262 mm × 21 mm |
| Brake Rotor | |
| Rotor Material | Heat-treated high-carbon cast iron |
| Axle Position | Front |
| Rotor Dimensions | Ø262 mm × 21 mm |
| Construction | One-piece rotor |
| Ventilation | Internally vented |
| Rotor Mounting | Fixed |
| Directional Design | Yes — left/right specific |
| Rotor Face Pattern | Curved slot / Grain Slot |
| Brake Pads | |
| Compatible Rotor Material | Iron / steel rotors only |
| Operating Temperature Range | 0–600 °C |
| Average Friction Coefficient | Average μ: 0.38; variation depends on temperature, line pressure, and rotor condition |
| Lines | |
| Brake Line Construction | Three-layer reinforced construction |
| Brake Line Material | PTFE inner liner / SUS304 stainless-steel braid / PVC protective outer sheath |
| Brake Line Fittings | Vehicle-specific fittings; caliper-side and chassis-side fittings vary by application |
| Vehicle Application & Rotor Mapping | |
| 2009-2014 Honda Fit / Jazz (GE / GG) | Front · Ø262 mm × 21 mm |
| 2014-2020 Honda Fit / Jazz (GK / GH / GP) | Front · Ø262 mm × 21 mm |
| 2020-2026 Honda Fit / Jazz (GR / GS) | Front · Ø262 mm × 21 mm |
| Fitment & Installation | |
| Primary Vehicle Application | Honda Fit / Jazz |
| Model Years & Chassis Codes | 2009-2014 GE / GG · 2014-2020 GK / GH / GP · 2020-2026 GR / GS |
| Axle | Front |
| Caliper Mounting Type | Direct mount |
| Minimum Wheel Size | 15 in or larger |
| Minimum Spoke Clearance | 42 mm |
| Brake Line Fitting Type | Vehicle-specific fittings; caliper-side and chassis-side fittings vary by application |
| Bedding-In Procedure | Required |
Confirm your Honda Fit / Jazz chassis code, front wheel diameter, and at least 42 mm of spoke-to-caliper clearance before ordering. Wheel offset and spoke shape change real clearance.
What’s Included in the WD4 Direct-Mount Kit
Calipers ×2
Two WD4 forged 4-piston front calipers.
Brake Pads
Brake pads for both front calipers, rated 0–600 °C and intended for iron / steel rotors.
Brake Rotors ×2
Two Ø262 mm × 21 mm one-piece vented directional rotors, left/right specific.
Brake Hoses ×2
Stainless-steel braided brake lines with vehicle-specific fittings for Fit / Jazz.
Will It Fit Your Honda Fit / Jazz?
Before ordering, confirm your chassis code, front wheel diameter, and at least 42 mm of spoke-to-caliper clearance. Wheel offset and spoke shape change real clearance.
1. Wheel Diameter
15 in or larger wheels are required.
2. Spoke Clearance
Minimum spoke clearance: 42 mm to the caliper face.
3. Vehicle Model
Confirm Honda Fit / Jazz chassis code: GE / GG, GK / GH / GP, or GR / GS.
Wheel offset, spoke shape, and barrel design all affect real-world clearance. We recommend checking with a caliper template if you run aggressive wheels.
Installation & Bedding for Honda Fit / Jazz
- Direct mount to the factory Honda Fit / Jazz front knuckle.
- No caliper brackets, rotor hats, or universal adapters are used on this Direct-Mount configuration.
- Brake line fittings are vehicle-specific on both caliper and chassis sides.
- Bleed the system fully and inspect line routing at full lock and full droop.
- WD4 uses aluminum-alloy pistons without dust boots. Inspect and clean the piston area during regular service.
- Bedding-in procedure is required before hard use to seat the pads and transfer an even friction layer.
- Installation should be performed by a qualified technician. Do not drive aggressively until the bedding-in procedure is complete.
Honda Fit / Jazz WD4 Front Big Brake Kit FAQ
Will this kit fit my Honda Fit or Jazz?
This WD4 Direct-Mount front big brake kit is engineered for Honda Fit / Jazz chassis codes GE, GG, GK, GH, GP, GR, and GS. Confirm your chassis code, front wheel diameter, and minimum spoke clearance of 42 mm before ordering.
What wheel size do I need?
15 in or larger wheels are required, with at least 42 mm of spoke clearance to the caliper face. Wheel offset, spoke shape, and barrel design all affect real-world clearance, so a caliper template check is recommended for aggressive wheels.
What's included in the kit?
The kit includes two WD4 forged 4-piston front calipers, brake pads for both front calipers, two Ø262 mm × 21 mm one-piece vented directional rotors, and stainless-steel braided brake lines with vehicle-specific fittings for Fit / Jazz.
Is this a true bolt-on installation?
Yes. The calipers are direct-mount to the factory Honda Fit / Jazz front knuckle. Brake line fittings are vehicle-specific on both the caliper and chassis side, and a proper bedding-in procedure is required after installation.
Do the WD4 calipers use dust boots?
No. The WD4 front calipers use aluminum-alloy pistons without dust boots. Inspect and clean the piston area during regular service, especially after rain, track use, dust, or salted-road driving.
How much braking improvement should I expect?
Compared with the factory front brakes, the WD4 setup adds a Ø262 mm × 21 mm rotor, 45.4 cm² of total piston area per caliper across four 38 mm pistons, and a stiffer two-piece forged aluminum caliper body for firmer pedal feel and improved fade resistance under repeated hard stops.
Can I order a custom finish?
Yes. Custom caliper colors and finish options are available for this kit. Contact TTSPORT before ordering to confirm lead time and pricing.
Ready to spec your WD4 Honda Fit / Jazz front brake build?
Need help confirming chassis code or wheel clearance for your Fit / Jazz? Our team will check your build before you order.
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
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