Catalog of specialty Mopar engine parts for the Dodge Challenger Mopar Drag Pak is available now for online ordering DSR Performance also offers on-site parts and tuning consultation services for ...

I own a '71 Plymouth Satellite powered by a 402 Magnum crate engine. The car was running great until last fall. At higher rpm under full throttle, the engine begins to pop and backfire out the exhaust ...

Properly firing your engine's ignition is a necessity for good combustion-thus power. There are many aftermarket ignition choices for the RB Wedge and Hemi that offer added voltage to the spark plugs.