Ford Performance 390/427/428 Double Roller Timing Chain Set M-6268-A390

If you're running a 390, 427, or 428 FE engine and want precise control over ignition timing without guesswork, this Ford Performance double roller timing chain set delivers the adjustability and durability you need. The 9-position multi-index crank sprocket lets you dial in timing in 2-degree increments—critical for optimizing power delivery across different RPM ranges and fuel octane ratings. Built with induction-hardened billet steel and oversized rollers, this chain set handles the demands of both street and competition use without compromising reliability.

• Fits 390, 427, 428 FE
• Double-row roller chain
• Induction-hardened billet crank sprocket
• Cast iron cam sprocket
• 0.250-inch oversized rollers
• 9-position multi-index adjustment
• ±8 degrees timing range
• 2-degree increment adjustments
• Single-piece fuel pump compatible
• Not compatible two-piece eccentric
• Made in USA
• MPN: M-6268-A390