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

Legendary air-cooled performance—reborn with COSWORTH engineering.

The JB Power (BITO R&D) COSWORTH Piston Kit is a premium forged big-bore upgrade developed for the GSX1100S Katana, delivering increased displacement, stronger torque, and race-inspired durability for serious Suzuki performance builds.

Designed with a focus on rigidity, lightweight construction, precision, and reliability.

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

Specifications:
✔️ Bore Size: 75mm
✔️ Displacement: 1168cc
✔️ 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
✔️ Precision-engineered performance upgrade
✔️ Increased displacement and torque
✔️ Built for high-performance air-cooled Suzuki engines

🔥 WHY UPGRADE?

Developed for riders wanting stronger engine performance without sacrificing durability.

Benefits include:
✔️ Increased engine capacity to 1168cc
✔️ Improved throttle response
✔️ Stronger midrange and acceleration
✔️ Reduced piston weight for improved engine response
✔️ Excellent durability under high-load conditions

A premium upgrade solution for restoration, custom, and performance Katana builds.

🏍️ FITS MODELS

SUZUKI GSX1100S KATANA

⚠️ Cylinder boring required for installation.

(Always confirm compatibility before purchase)

⚠️ IMPORTANT NOTES
Professional engine machining and installation recommended
Cylinder boring required
Images are for reference only and may differ from actual product
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 demanding more from the legendary Katana platform.