■商品概要【メーカー品番】4289-2E■詳細説明Developed on test benches and tested by leading teams， HOT CAMScamshafts are available in three levels．Stage 1 ： increases torque and power with no additionalmodifications． Ideal for basic tuning．Stage 2 ： better suited to large machines， requires furtherimprovements such as hi-compression pistons and larger carburetorto deliver its potential．Stage 3 ： specifically developed for Supermotard or to increasecylinders (use original valve springs for mounting)In any case， we strongly advise these preparations to be handled byqualified professionals and with the adapted tools． Two sets ofvalve discs included for a perfect fit．■注意点※輸入品のため、説明書が付属する場合、外国語の説明書となります。※メーカー都合により商品の仕様変更がある場合がございます。ご了承ください。　※画像はイメージです。■適合車種YFZ 450 R 2WD YFZ 450 R 2WD 年式: 20YFZ 450 R SPECIAL EDITION 2WD YFZ 450 R SPECIAL EDITION 2WD 年式: 20