JB POWER (BITO R&D) COSWORTH PISTON KIT fits GSX1100S KATANA

Serious displacement. Serious performance.

Developed by JB Power (BITO R&D) in collaboration with COSWORTH, this high-performance forged piston kit transforms the legendary GSX1100S Katana into a powerful 1294cc air-cooled machine with increased torque, stronger acceleration, and race-inspired durability.

Built with a focus on rigidity, lightweight performance, and long-term reliability.

🔧 PRODUCT DETAILS
Brand: JB Power (BITO R&D)
Series: COSWORTH Piston Kit

Specifications:
✔️ Bore Size: 79mm
✔️ Displacement: 1294cc
✔️ Compression Ratio: 11.0:1
✔️ Pin Diameter: 18mm

Includes:
✔️ Forged Pistons
✔️ Piston Pins
✔️ Piston Rings
✔️ Circlips
✔️ Head Gasket
✔️ Base Gasket

✔️ High-rigidity forged piston design
✔️ Ultra-lightweight construction
✔️ High durability under extreme conditions
✔️ Precision-engineered performance upgrade
✔️ Designed for large-capacity air-cooled Suzuki engines

🔥 WHY UPGRADE?

This COSWORTH piston kit is engineered for riders wanting stronger midrange torque, increased displacement, and improved engine response from the GSX1100S platform.

Benefits include:
✔️ Increased engine capacity to 1294cc
✔️ Stronger acceleration and torque delivery
✔️ Lightweight piston design reduces rotational mass
✔️ Improved high-RPM durability
✔️ Ideal for performance street and custom builds

A premium big-bore solution developed with serious engineering behind it.

🏍️ FITS MODELS

SUZUKI GSX1100S KATANA

⚠️ Liner replacement required for installation.

(Always confirm compatibility before purchase)

⚠️ IMPORTANT NOTES
Professional engine machining and installation strongly recommended
Cylinder liner replacement required
Images are for reference only
This item cannot be cancelled, returned, or exchanged after order placement
Instruction manual, if included, will be in Japanese
Specifications may change from manufacturer without notice

⚔️ FINAL WORD

BIG BORE • LIGHTWEIGHT • COSWORTH PERFORMANCE

Built for riders wanting more from the legendary Katana platform.