What is a VOES fitting?

VOES stands for Vacuum Operated Electronic Shifter. It's a system on some motorcycles that uses engine vacuum to adjust ignition timing, improving performance.

Why is this cap important?

This cap seals the VOES fitting, which is essential for maintaining the correct vacuum pressure. Without a proper seal, the system won't function as intended, potentially affecting engine performance.

What are the dimensions of this cap?

The cap has dimensions of 3/16 inch by 5/16 inch by 1/2 inch, designed to fit specific S&S Cycle VOES fittings.

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Specifications

Brand: S&S Cycle
Part #: 50-8372
UPC: 50-8372

S&S Cycle 3/16in x 5/16in x 1/2in VOES Fitting Cap

Name: S&S Cycle 3/16in x 5/16in x 1/2in VOES Fitting Cap
Brand: S&S Cycle
SKU: s-s-cycle-s-s-cycle-3-16in-x-5-16in-x-1-2in-voes-fitting-cap-t14-663681
Price: 6.95 USD
Availability: BackOrder

$6.95

On Backorder — Expected to ship by May 7, 2026

Order now to reserve yours — we'll ship as soon as stock arrives. Full refund if we're unable to fulfill.

S&S Cycle 3/16in x 5/16in x 1/2in VOES Fitting Cap.

Key Features

Fits S&S Cycle VOES fittings.
Measures 3/16in x 5/16in x 1/2in.
Seals the VOES fitting to maintain vacuum pressure.

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About this part

Product Details

S&S Cycle is well-known for their high-performance engine components for Harley-Davidson motorcycles. This 3/16in x 5/16in x 1/2in VOES fitting cap is a small but important part for maintaining your engine's vacuum-operated electronic shifter system.

This cap is designed to seal the VOES fitting, ensuring proper vacuum pressure is maintained for the system to function correctly. Keeping this fitting sealed is crucial for the smooth operation of your motorcycle's engine, especially during performance riding.