Hi-Riders

Hi-Riders is a 1978 action film written and directed by Greydon Clark.

Plot
Mark and Lynn are drawn into acts of hatred and revenge after trying to collect on a bet with a drag-racing car club known for "jacking up" the rears of their cars much higher than stock. When a local hothead challenges the club to a race, both drivers are killed in a spectacular explosion. The local boy's father vows revenge.

Release
The film was released theatrically in the United States by Dimension Pictures in 1978.

The film was released on a double feature DVD with Clark's The Bad Bunch by VCI Home Entertainment in 2010.