PROX Gas-Gas 250 Ring Set 02.7307

Engineered for Gas-Gas 250 two-stroke motorcycles, the PROX Ring Set 02.7307 delivers a complete, OEM-grade sealing pack for 66.40 mm bore applications. Compatible with Gas-Gas MX250 from 1997–2009 and EC250 from 1997–2015, it supports a full engine rebuild or worn-ring replacement with a single kit.

• Compatible bore: 66.40 mm (Ø66.40) for Gas-Gas MX/EC 250 models listed above.
• Complete ring set: includes all rings required for a full rebuild, designed to seal compression and control oil blow-by.
• OEM-grade construction: rings manufactured by OEM factories to exact specifications; ProX sources through brands such as Rikken Japan, TP, and NPR.
• Bore material compatibility: suitable for cast iron bores, Nikasil (nickel ceramic plating), boron composite, and electrofusion bores. Chrome bores require a different ProX ring kit.
• Ease of installation: precision-fit rings engineered for straightforward fitting for both professional technicians and DIY enthusiasts.
• Designed for performance: maintains compression, minimizes oil leaks, and supports engine longevity under demanding off-road conditions.

ProX piston rings are made by OEM factories to exact specifications. ProX uses well known brands like Rikken Japan, TP and NPR to be sure you will get the quality you might expect from our brand. All ProX piston rings can be used in cast iron bores, nickel ceramic platings (Nikasil), boron composite and electrofusion bores. If the application has a OEM cylinder with chrome bores, ProX supplies a different piston ring as in the ProX piston kit.

The PROX Gas-Gas 250 Ring Set is designed to provide reliable sealing and optimal performance for your Gas-Gas 250 engine. Crafted with precision, these rings help maintain compression, prevent oil leaks, and ensure extended engine life. Made from high-quality materials, the rings are engineered to withstand high temperatures and pressures typical in off-road and motocross applications. This set is an essential upgrade for maintaining engine efficiency and reliability, whether you're rebuilding your engine or replacing worn components. Installation is straightforward, making it suitable for both professional repairs and DIY enthusiasts seeking to restore peak engine performance.

The PROX Gas-Gas 250 Ring Set features a precise fit and durable construction, ensuring long-lasting performance under demanding conditions. Each ring is engineered to meet OEM specifications, providing a perfect seal and minimizing blow-by. The set includes all necessary rings for a complete rebuild, simplifying the process and saving you time. Designed for ease of installation without compromising on quality, these rings are a cost-effective solution for maintaining your Gas-Gas 250 engine's power and efficiency. Trust PROX's reputation for quality parts to keep your motorcycle running at its best for miles to come.

Features:

• Engine sealing: Ensures optimal compression and prevents oil leaks

• High durability: Crafted from materials that withstand high temperatures and pressures

• OEM compatibility: Designed to meet or exceed original equipment specifications

• Complete set: Includes all necessary rings for a full engine rebuild

• Ease of installation: Designed for straightforward fitting for both professionals and DIY enthusiasts