Twin Power Base Gasket 3.5 Inch Bore .020 Rubber Covered Steel Replaces H-D 16774-86D 84-99 Evo BT

• Available in 3.5 inch and 3 5/8 inch bore sizes to match common Evo configurations
• Ideal for 1984-1999 Evolution Big Twin engine rebuilds and top end service
• Rubber covered steel
• Made in USA