Description of the article « Close-Ratio Gear Set Suzuki Swift Sport ZC31S – 57KA 5-Speed (M16A) »

Close-Ratio Synchro Gear Set – Suzuki Swift Sport ZC31S (57KA 5-Speed)

Close-ratio synchromesh gear set designed as a direct bolt-on for Suzuki Swift Sport ZC31S 1.6 16v (M16A) with the 57KA 5-speed gearbox (2005–2010). With minor modifications, it may be adaptable to other Suzuki models depending on the gearbox variant.

Gear ratios

1st: 3.167 (38x12)
2nd: 2.176 (37x17)
3rd: 1.579 (30x19)
4th: 1.250 (30x24)
5th: 1.037 (28x27)

Material & heat treatment

Billet & forged Ni-Cr-Mo steel
Hardness: HRC 56–60
Surface: sandblasting, shot peening, WPC
Heat treatments: carburizing & cryogenic

Possible compatible models (with modifications)

Suzuki Swift (ZC11S / ZC21S / ZC71S)
Suzuki SX4 (GY / RW / EY) with M16A
Suzuki Liana / Aerio (depending on market/spec)

Depending on your build, minor setup adjustments may be required.