Dirt Bike Piston Rings Only

Piston rings are critical to engine performance—they seal combustion pressure, regulate oil consumption, and transfer heat from the piston to the cylinder wall. PROX Piston Rings 02.6012 are engineered to maintain precise tolerances and consistent...

Piston rings are the critical interface between your pistons and cylinder walls—they seal combustion pressure, manage blow-by, and transfer heat away from the combustion chamber. PROX Piston Rings 02.6225 deliver the precision engineering needed to...

Piston rings are critical to engine efficiency—they seal combustion pressure, regulate oil consumption, and manage heat transfer between the piston and cylinder wall. PROX Piston Rings 02.6394 are engineered for optimal sealing and thermal conductivity,...

Piston rings are the unsung heroes of engine sealing—they maintain compression, control oil consumption, and manage heat transfer between the piston and cylinder wall. PROX Piston Rings 02.6429 deliver the precision tolerances and material quality...

Piston rings are critical to engine sealing and compression—worn or damaged rings lead to blow-by, oil consumption, and loss of horsepower. The PROX Ring Set 02.2222 delivers OEM-quality replacement rings engineered to restore your engine's performance...

Piston rings are the critical seal between your combustion chamber and crankcase—when they wear, you lose compression, burn oil, and sacrifice power. The PROX Ring Set 02.4106 delivers OEM-quality replacement rings engineered in Japan to restore your...

Piston ring wear directly impacts compression, blow-by, and fuel efficiency—making quality ring sets essential for maintaining peak engine performance. The PROX Ring Set 02.4121 delivers OEM-equivalent specifications with Japanese manufacturing...

Maintaining proper ring seal is critical to engine efficiency, compression, and longevity. The PROX Ring Set 02.4217 delivers OEM-equivalent performance with Japanese manufacturing precision, ensuring your engine maintains peak power output and minimal...

Piston rings are the critical seal between your combustion chamber and crankcase—when they wear, you lose compression, power, and fuel efficiency. The PROX Ring Set 02.4285 delivers OEM-equivalent performance with Japanese manufacturing precision,...

Worn piston rings directly compromise combustion efficiency, oil consumption, and overall engine reliability—making a quality replacement essential for consistent performance. The PROX Ring Set 02.1315 delivers OEM-grade engineering with the precision...

Piston rings are critical to engine sealing and compression—worn or damaged rings lead to blow-by, oil consumption, and power loss. The PROX Ring Set 02.3212 delivers OEM-equivalent performance with Japanese manufacturing precision, ensuring reliable...

Piston ring sets are critical to engine longevity and performance—they seal combustion pressure, regulate oil consumption, and maintain compression consistency across the entire powerband. The PROX Ring Set 02.2314 delivers OEM-grade quality with...

Piston ring wear is one of the most common causes of compression loss and power degradation in both two-stroke and four-stroke engines. The VERTEX Ring Set 590276000001 replaces worn rings with premium-grade components that restore cylinder sealing and...

Piston ring wear is one of the most common causes of power loss and compression degradation in high-performance engines. The VERTEX Ring Set 590278000002 delivers factory-grade reliability with enhanced durability through advanced surface coatings,...

Piston ring wear is one of the fastest paths to catastrophic engine failure—loss of compression, blow-by, and oil consumption compound rapidly once rings start to deteriorate. The VERTEX Ring Set 590377000001 replaces worn rings with premium-grade...

If you're rebuilding a KDX50 engine or restoring compression after high hours, worn piston rings are a primary culprit for power loss and increased blow-by. The Wiseco 1693CD ring set delivers precision-engineered sealing that restores cylinder...

Piston ring degradation is one of the fastest ways to lose compression and power in a KDX50—and Wiseco's 41mm ring set is engineered to restore sealed combustion and maintain consistent performance across your engine's RPM range. Whether you're...

OEM Honda rings often wear quickly under aggressive riding, causing power loss and increased blow-by that compromises engine efficiency. The Wiseco 3071XC piston ring set restores compression seal and combustion efficiency through precision engineering,...

If you're rebuilding a 250 SX-F top end or refreshing your piston after high-mileage use, ring blow-by kills combustion efficiency and wastes horsepower. Wiseco's 7800YB ring set is engineered to seal tight against the cylinder wall, maintaining...

The 9600ZV ring set maintains critical combustion chamber sealing across the full RPM range, directly impacting power delivery and fuel efficiency in high-demand racing environments. Worn or improper ring fitment causes blow-by, compression loss, and...