S&S Cycle 84-99 BT 640 Camshaft

This 640 is for 1984-1999 Harley-Davidson® big twin models with large displacement motors with compression ratios of 10.5 - 11.5:1 or smaller motors with 11:1 - 12:1 compression ratio, does not require as much compression as the 631. For hydraulic tappet, spring spacing is required.

Genuine S&S Cycle. Part number 33-5108.

Imported to order from our US supply partner — allow 7-14 days delivery.