Ext Bal 400 Gm Flexplate 399373

A quality flexplate is fundamental to a reliable driveline—it's the critical link between your engine and transmission that must handle consistent torque cycles without failure. This 400-gram external balance unit is engineered for Small Block Chevy applications and meets SFI 29.1 safety standards, ensuring you get a dependable, race-proven component. Whether you're building a street machine or a dedicated race engine, proper flexplate selection prevents costly drivetrain damage and maintains optimal power transfer.

• 168 tooth count
• External balance design
• 400-gram weight rating
• Steel construction
• SFI 29.1 certified
• Small Block Chevy fitment
• 2-piece seal compatible
• Sold individually