4-Stroke Big Bore Piston Kit

Athena 4-Stroke Big Bore Piston Kit

Upgrade engine performance with the Athena 4-Stroke Big Bore Piston Kit — precision engineered for reliable power, durability, and smooth operation in high-performance motorcycles, ATVs, and off-road machines.

• Fitment: Designed for 4-stroke engines where big-bore conversion is required; check vehicle compatibility before purchase.
• Quality construction: Forged or high-grade cast piston options with optimized skirt coatings to reduce friction and wear.
• Performance gains: Increased displacement for improved torque and horsepower, ideal for racing, trail riding, and tuning projects.
• Complete kit: Includes piston, rings, wrist pin, and circlips for a straightforward installation.
• Precision machining: Tight tolerances and balanced components ensure consistent compression and long service life.

Choose Athena for proven engineering and track-tested reliability. Whether rebuilding or upgrading, this Big Bore Piston Kit delivers measurable gains in acceleration and throttle response while maintaining smooth, dependable operation.

Keywords: Athena piston kit, 4-stroke big bore, big bore piston, performance piston kit, motorcycle piston upgrade.