{"product_id":"subaru-ej20-ej25-harmonic-damper","title":"Subaru EJ20 \/ EJ25 Harmonic Damper","description":"The Ross Performance Parts Subaru EJ20 \/ EJ25 Metal Jacket Harmonic Damper offers robust protection against harmonic and torsional vibration, suitable for both stock OEM replacements and dedicated high-performance engines. Designed and manufactured in-house, it utilizes advanced technologies like CMM and 3D modeling, coupled with state-of-the-art CNC machining.\n\nThis damper is rated for up to 600hp and maintains OEM pulley diameters, locations, and profiles for seamless integration. It features a proprietary Ross Tuffbond process for bonding, incorporating anti-vibration and anti-tear natural rubber. The assembly mass is optimized for high-performance applications, and it includes laser-etched 360° timing marks for precise engine tuning. Hardware utilized is grade 10.9 or better, ensuring durability.\n\nThis harmonic damper complies with SFI 18.1 standards, ensuring it meets safety requirements for performance applications.","brand":"Ross Performance","offers":[{"title":"Default Title","offer_id":52663531372856,"sku":"704200","price":630.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0970\/4895\/3144\/files\/687614318.jpg?v=1784327753","url":"https:\/\/store.motormia.co\/products\/subaru-ej20-ej25-harmonic-damper","provider":"MOTORMIA","version":"1.0","type":"link"}