Flaming River has developed a racing-specific alternator perfect for drag racing and dirt track sports. This compact 93mm denso style alternator comes in either 50 amp or 80 amp designs. Twin internal cooling fans and large press-fit diodes for better heat dissipation Safe operation up to 18,000 RPM shaft speed Self-exciting internal voltage regulator for easy “one wire” hookup 30 amp output at idle (50 amp unit only) Includes billet aluminum hard-coated V-belt pulley Can be ordered for use with 16 volt racing batteries 1-year warranty Flaming River Racing Alternators start at $299. Additionally, Flaming River offers 150 amp and 240 amp high-output billet alternators.