Featuring aluminum heads, the 502 Ram Jet is unlike any other big block you've experienced. Hit the gas pedal and this insanely responsive fuel injected monster (502 HP, 565 ft/lbs TQ) makes the competition cry.502 HP @ 5100 RPM565 ft/lbs @ 3200 RPM9.6:1 Compression Ratio4-Bolt Main BlockForged Steel Rods with 7/16'' BoltsForged Aluminum PistonsAluminum Oval Port 110cc Heads (2.25" Int/1.88" Exh valves)Hydraulic Roller CamshaftForged Steel CrankshaftWarranty Information