We offer Delco Remy : 31SI Alternators. Max. Speed: 10000rpm continuous or 12000rpm intermittent Rotation: CW Weight: 9.8kgs Performance Output: 12V-160,200A & 24V-150Amps Temperature Limit: -30ºC to 93ºC Features: The 31SI series Delco Remy alternators are High Output, Core Free design charging systems. The special integrated circuit breaker provides the standard low parasitic draw and radio frequency interference (RFI), while eliminating the need for load dump protection. The 31SI series has external fault detection and communicates the same with ECM or indicator light.