Oversize Valve Seat Inserts for Shovel, Evolution & Twin Cam

Goodson Tools & Supplies

Order No. HVS-1630


These Oversize Valve Seat Inserts are specially sized for Harley-Davidson. They are designed to effectively dissipate heat for consistent valve sealing. Each seat insert has a radiused edge for easy installation and they will harden during engine break-in. Some Machining is required.