Engines and Components› Camshafts and Valvetrain

S&S Cycle

S&S Cycle 84-99 BT 640 Camshaft

$255.95

SKU: S0GE 33-5108

In Stock
In Stock
Ships by Jul 30
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30 Days Return
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Description

The S&S Cycle 640 Camshaft is for large displacement motors with compression ratios of 10.5-11.5:1, or smaller motors with 11:1-12:1 compression ratio. It provides a more linear power delivery and fits Harley-Davidson 1984-1999 Big Twin Evolution Engines.

Fitment

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Specifications

BrandS&S Cycle
Part NumberS0GE 33-5108

Videos

S&S 124 high compression/ 640 Cams

S&S 124 high compression/ 640 Cams

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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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