These Big Block Chrysler Indy Maxx Aluminum Blocks are the finest water jacketed blocks in the industry. These blocks easily handle high horsepower loads with the reliability that is second to none. This block removes 110 lbs from the front of the car while supplying superior strength and reliability. All Indy Maxx water blocks include: choice of sleeves, cam bearings and screw in core plugs installed, dowels and oil gallery plugs supplied, Steel billet main caps, all 5 main caps cross bolted, siamese dry sleeve construction, .300 in between cylinders at 4.500 ib bore, finished line hone, finished lifter bores, standard oil pan bolt pattern, available wide oil pan bolt pattern.