Engine - GM Performance Short Block Engines - Medium Deck Height Truck Racing Block

From GM Performance - This medium deck height iron block was designed for truck pro stock racing with the follow features: Technical Note: 8.700 inch deck height that can be machined to 8.500 inch. Has standard Chevrolet bell housing bolt pattern. Delivered with 3.900 inch cylinder bore and can be bored to 4.190 inch. Uses jewel style timing belt system (4.953 cam to crank). Has no lifter holes or cylinder head bolt holes. 2.300 main bearing diameter and 2.250 inch cam bearing. All other diameters are same as block P/N 24502650.