Toyota / Peugeot / Citroën C550–C551 Close-Ratio Gear Set
Toyota / Peugeot / Citroën C550–C551 Close-Ratio Gear Set
SKU:210601043
Weight - 5.2 kg
✅ IN STOCK
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5 Speed Close-Ratio Synchromesh Gear Set – Toyota / Peugeot / Citroën (C550 / C551 Gearboxes)
This close-ratio synchromesh gear kit was originally developed for Kobe Motor (Spain) and their Aygo Cup cars used in gravel rally and circuit racing.
The Toyota C550 / C551 gearboxes are found mainly in the Toyota Aygo and Yaris, but also in several Peugeot and Citroën small-car models, as well as other Japanese compact vehicles.
⚙️ Gearbox Applications
C550
• Type: 5-speed manual, FWD
• Engine compatibility: 1.0 L 1SZ-FE / 1KR-FE
• Typical vehicles: Toyota Yaris / Vitz (XP10); Toyota Aygo (AB10); Peugeot 107 / Citroën C1 (shared platform); Toyota Passo (KGC10); Daihatsu Sirion / Boon (M300)
• Years of use: ≈ 1999 – 2006
• Notes: Early small-car gearbox used in Toyota/Daihatsu A-segment cars. Typical final drive 3.944. Compact case, cable-shift.
C551
• Type: 5-speed manual, FWD (updated C550)
• Engine compatibility: 1.0 L 1KR-FE
• Typical vehicles: Toyota Aygo (AB10 facelift / AB20); Toyota Yaris (XP90); Toyota iQ (KGJ10); Peugeot 108 / Citroën C1 (2nd gen); Subaru Justy (rebadged Daihatsu/Toyota); Daihatsu Sirion / Cuore (M600)
• Years of use: ≈ 2006 – 2021
• Notes: Successor to C550 with revised 4th/5th gears and optional 4.294 FD. Widely used in Toyota-PSA 1.0 VTi applications.
⚙️ Gear Ratios
1st — 2.78 (39/14)
2nd — 1.94 (33/17)
3rd — 1.47 (28/19)
4th — 1.20 (29/24)
5th — 1.06 (31/29)
🧱 Technical Specifications
- Material: Billet & forged Ni-Cr-Mo steel
- Hardness: HRC 56 – 60
- Surface treatments: Sandblasting, shot peening, and WPC (under request)
- Heat treatments: Carburizing and cryogenic
🏁 Key Features
- Optimized close ratios for improved acceleration and flexibility
- High durability and fatigue resistance for rally and circuit racing
- Proven in competition with over 25 cars in the Kobe Motor Aygo Cups (gravel and circuit racing) — zero failures after multiple seasons.
- Compatible with both Toyota and PSA 1.0 L 3-cylinder platforms
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from 38 reviewsShipped fast.
Great product.
Would buy again.
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toutes les pièces sont conformes et de bonne fabrication. merci
Just received my 188l lsd and I'm pretty happy quality .
I didn't have the time to test it but I'm pretty sure it will perform well .
Hello. Did not install yet, but the product looks awsome
👍
Je suis très satisfait du délais de livraison ainsi que service de contact et la pieces est arrivé intact je vous recommande fortement
La relación queda perfecta, se siente el empuje del auto
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