Polini Evolution Viton® crankshaft oil seals for Minarelli horizontal and vertical AC + LC engines.

This set includes two premium seals (20x42/43x8 and 20x30/34x6) engineered with Viton® material and low-friction polymer-coated lips for superior sealing performance and durability.

Replace these seals every time you remove or reinstall your crankshaft to maintain optimal engine integrity and prevent oil leakage. The blue-colored seals are supplied as a complete matched pair, ready for installation.

• Viton® construction with polymer-coated lips
• Two sizes included in one set
• Designed for Minarelli AC and LC engine variants
• Premium quality for extended engine life