Specifications
- Brand
- S&S Cycle
- Part #
- 33-5108
- UPC
- 33-5108
S&S Cycle 84-99 BT 640 Camshaft
$255.95
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S&S Cycle 84-99 BT 640 Camshaft for Harley-Davidson Big Twins.
Key Features
- Fits 1984-1999 Harley-Davidson Big Twin models.
- Suitable for large displacement motors with 10.5:1 - 11.5:1 compression.
- Also works with smaller motors at 11:1 - 12:1 compression.
- Compatible with 1954-1984 Big Twins using hydraulic conversion or Panhead cylinder head kits.
- Designed for hydraulic tappets and requires appropriate spring spacing.
- Part number 33-5108 from S&S Cycle.
Product Details
This S&S Cycle 640 camshaft is designed for 1984-1999 Harley-Davidson Big Twin models. It's a solid choice for larger displacement engines aiming for compression ratios between 10.5:1 and 11.5:1, or for smaller motors with compression between 11:1 and 12:1. This cam doesn't demand as much compression as some other S&S models, making it a bit more flexible for builds. It's intended for use with hydraulic tappets and requires proper spring spacing.
This camshaft also fits 1954-1984 Big Twins, provided they are equipped with either a hydraulic conversion kit or a cylinder head replacement kit for Panhead engines. The well-built nature of S&S Cycle components means you can expect reliable performance and a noticeable change in your engine's power delivery. It's a popular upgrade for riders looking to improve their motorcycle's performance without overly complex modifications.
Specifications
- Brand
- S&S Cycle
- Manufacturer Part #
- 33-5108
- UPC
- 33-5108
Frequently Asked Questions
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S&S Cycle 84-99 BT 640 Camshaft