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.
S&S Cycle
S&S Cycle 84-99 BT 640 Camshaft
$255.95
- SKU:
- SSC33-5108
- UPC:
- 33-5108
- Availability:
- Usually ships in 1-2 business days WITH FREE SHIPPING
- CARB:
- This product is not CARB Legal and not for sale in California
- Clearance Item:
- N
- MPN:
- 33-5108