Ram Jet 502, you either have one or you want one. With 502 horsepower at 5100 rpm and 565 ft-lbs of torque at 3200 rpm, the instantly throttle responsive Ram Jet 502 drives like no other big-block you?ve ever driven. With over 500 lb. of torque from 2200 to 5200 rpm the ram Jet 502 is a tire shredding monster. Details: Ram Jet 502, you either have one or you want one. With 502 horsepower at 5100 rpm and 565 ft-lbs of torque at 3200 rpm, the instantly throttle responsive Ram Jet 502 drives like no other big-block you?ve ever driven. With over 500 lb. of torque from 2200 to 5200 rpm the ram Jet 502 is a tire shredding monster. Designed for ease of installation the Ram Jet 502 needs only 12V, ground, fuel feed and fuel return to run. Included are an instruction sheet, service manual and diagnostic tool for ease of installation and service. As with any GM Performance Parts Ram Jet engine, an in tank fuel pump is recommended to avoid possible vapor lock. See the instruction sheet for fuel pump recommendations. Also included is complete throttle linkage that accepts your production throttle cable and transmission cable. Includes pre-programmed MEFI 3 ECM and wiring harness. The Ram Jet manifold stands eleven inches tall as measured from the front and rear "china wall" on the cylinder block. That''s just half an inch taller than a typical single plane high rise manifold, Holley carb and air cleaner combo. For specific internal engine specifications refer to the ZZ502/502. Ram Jet 502 Technical Information Horsepower 502 @ 5100 RPM Torque 565 @ 3200 RPM Max. Recommended RPM 5800 RPM