Starts engines up to 40 HP. Strong but lightweight polypropylene case is tough and durable. "L" shaped terminals boost efficiency, prolong plate life, and make installation a snap. GT-R has the positive and negative terminals in reversed position. Advanced grid design and unique alloys promote oxide adhesion and makes this battery virtually maintenance free. Gang vents enable quick servicing when necessary. Overall size is 7-3/4 in L x 5-3/16 in W x 7-5/16 in H. GT-X is left hand positive terminal, 300 CCA. GT-His left hand positive terminal, 235 CCA. GT-R is right hand positive terminal, 235 CCA.