It is 30% stronger than stock and will provide your late model performance engine the protection it needs at higher RPM. Professional Products engineers designed and built the Ford 3V damper to factory dimensions from nodular iron and the damper uses the stock serpentine belt. The Power Force damper comes standard with an engraved timing mark at top dead center. We found the damper for $115.95. For more information contact Professional Products (323) 779-2020 www.professional-products.com