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...

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...

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...

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...

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...

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...

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...

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,...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...

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...