This is a highly detailed 1/6 scale die cast metal replica of the supercharged 426 Hemi 8,000 horsepower Top Fuel drag racing engine, circa 1969. This officially licensed item features a die cast engine block with plastic injected molding accessories. The highly detailed GMC blower case includes real compression springs and bolts that can be seen just below the front case cover. It comes with a chrome plated blower scoop, complete with buttefly vanes and spring linkage. The ribbed blower belt turns the blower, crankshaft, and idler pulleys.