Denso Economy Style Race Alternator- Economy 

• True 1-wire hookup with set voltage of 14.9
• Low drag hi speed bearings
• .590” O.D. shaft, 14mm x 1.5 Thread
• Idle 30 amp, Top end 55 amp
• Black Paint
• 137mm or 5 3/8” bolt pattern
• 5.75 lbs
• Made in the USA