M8 Softail Engines / Internal Components

Upgrade Your M8 Softail with High-Performance Engine Components

Unlock the true potential of your Harley Davidson M8 Softail with premium internal engine components from Metalcore Harley Supply. Our collection features powerful big bore kits, performance pistons and cylinders, complete camchest kits, upgraded oil pumps, precision camshafts, heavy-duty valve springs, and reliable lifters — everything you need to build serious Milwaukee Eight performance.

Whether you're chasing more horsepower, improved reliability, or a complete engine rebuild, we offer trusted parts designed specifically for your M8 Softail.

Why Choose Our M8 Softail Internal Engine Components:

Build a stronger, faster Harley — shop Metalcore Harley Supply today for all your M8 Softail engine upgrade needs.