Rick's Motorsport Electrics makes this Aftermarket Lithium Ion Battery Compatible Rectifier-Regulator for your Honda CX500 with OE# 31600-415-008. Our part #14-117 is a direct plug in but it does have slightly different dimensions than the OE rec-reg; the dimensions are 3 1/2 " x 3 1/2" x 1". *Our design also eliminates the black signal wire.

Fits on the following models: