KPMI, intake valve guide. C630 bronze. STD - 57-83 XL(NU) Pillion pads This sale is for the

This sale is for the complete new cap fully assembled and ready to fit on your bike

Drilled for internal wiring and compatible with OEM wiring and cables on most H-D models

Mounting hardware is used on rear side only for clean looks

OEM replacement reference 18634-48C

KPMI, intake valve guide. C630 bronze. STD - 57-83 XL(NU) Pillion pads This sale is for theC630 bearing bronze. Standard size: 0. 5650" O. D. (14. 35mm); 0. 3085" I. D. (7. 84mm); 1. 77" OAL (44. 96mm). C630 bearing bronze is a tough nickel aluminum bronze alloy typically used in high performance and racing applications where rapid heat transfer from the valve to head is important.