Features flush-mount terminal adapters that eliminate the need for spacers ensuring a secure, vibration-resistant and direct-path connection Specifically designed for hard-starting, high-performance engines that need extra cranking power Radial grid technology delivers higher cranking amps and superior performance Special-absorbed glass-mat battery eliminates water loss, permitting the battery to be permanently sealed once it is filled with acid; Acid Pack included Superior vibration-resistance and durability provides a long service life. BATT DRAGSPEC YTX20HLBSFT