Weight: 1.40Accel's American made Delco style and Bosch style Electro mechanical voltage regulators feature heavy duty shock mounted base, special vibration resistant internal connections, fiber and Mylar insulating pads and large diameter contact surfaces. Each regulator has an original equipment style cover and is set to OE specifications. AccelChrome Plated Delco Style for Electric Start ModelsFits Big Twin 1965/1969, XLH 1967/1977 & Servi-Car 1964/1965Replaces HD# 74510-64 By: HOLLEY PERFORMANCE PRODUCTS,INC.