2 Inch Intake Wrench for Harley Small Port Knucklehead & Big Twin Flathead – Rough Trade USA

This 2 inch intake wrench is designed for servicing intake components on Harley-Davidson small port Knucklehead and Big Twin Flathead engines.

The wrench is CNC laser cut from 5/16 inch thick steel and sized to fit inside stock teardrop Harley toolboxes. A parkerized finish is applied to discourage corrosion and provide long-term durability during regular service work. The shape and sizing are based on original Harley service tools.

Designed for small port Knucklehead and Big Twin Flathead applications, this wrench is intended for restorations, routine intake service, or completing an original-style tool kit where correct fit and period-correct tooling matter.

Manufactured in Ohio, USA by Rough Trade. At Boomers Bike Shop, we stock service tools that fit correctly and belong on real vintage Harley-Davidson engines.

Fits Harley-Davidson Engines:

Small Port Knucklehead

Big Twin Flathead

⚠️ Sized to fit inside stock teardrop Harley toolboxes.