Suzuki Swift Sport MK4 ZC32S / MK5 ZC33S 6-speed | Final Drive 4.714 (14x66)

This short ratio final drives is a direct bolt-on application for the following models:

• Swift Sport MK4 ZC32S (2011–2017) with 6-speed manual gearbox and M16A engine (1.6L 16v 136hp)
• Suzuki Sport MK5 ZC33S (2017–onwards) with  6-speed manual gearbox (6MT) and engine code K14C BoosterJet (1.4L Turbo 140hp)

Ratios available:

• 4.714 - 14/66 

Material:

Manufactured from billet and forged Ni-Cr-Mo steel, delivering exceptional mechanical strength, high impact resistance, and long-term durability under high torque and aggressive driving conditions.

Hardness:

• HRC 56–60, ensuring excellent resistance to wear and surface fatigue, even in demanding motorsport applications.

Surface Treatments:

Multiple advanced surface treatment processes are applied to maximize durability and reliability:

• Sandblasting – Ensures uniform surface finish and optimal surface preparation
• Shot peening – Increases fatigue strength by inducing compressive surface stresses
• WPC treatment – Enhances surface hardness, reduces friction, and improves micro-surface durability

Heat Treatments:

To achieve maximum strength, dimensional stability, and service life, the following heat treatments are applied:

• Carburizing – Produces a hard, wear-resistant surface while maintaining a tough core
• Cryogenic treatment – Improves dimensional stability, wear resistance, and long-term gear mesh performance

Performance Benefits:

• Increased torque multiplication and improved acceleration
• High resistance to shock loads and sustained high-RPM operation
• Suitable for motorsport and high-performance street use

IMPORTANT NOTE:
Due to the nature of motorsport applications and potential variations between vehicles, minor modifications or adjustments may occasionally be required to ensure proper fitment and installation.