24811-10 Lower End 45CI & Big Twin Side Valve Models

This lower end component from Samwel Supplies is an essential part for anyone working on a 45CI Sidevalve or Flathead Big Twin. It fits 45CI models from 1937 to 1973, including the Servi-Car, and is also compatible with 1937 to 1948 Flathead Big Twin engines. Replacing OEM 24811-10, this part is built to the exacting standards required for these classic Harley-Davidson powerplants. Samwel is a leader in providing high-quality replacements for sidevalve engines, ensuring that even the oldest bikes can still be maintained with reliable, new components. Whether you're doing a period-correct restoration or just keeping a vintage runner healthy, this part offers the durability and precision fit you need for a successful engine build.