Compression Release Valves - Sold as a Pair. Overall Length = 1.080in. x Thread Length = 0.425in. Arlen Ness Synthetics performance filters are made

Synthetics performance filters are made from a black synthetic filter element that is wrapped in a stainless steel jacket

* 430 Series can be mounted rod up or rod down

Longest Lasting Charging Systems

1996-99 Dyna

* Works with Stock Valve Springs

Compression Release Valves - Sold as a Pair. Overall Length = 1.080in. x Thread Length = 0.425in. Arlen Ness Synthetics performance filters are made* Short protrusion short thread * Shorter thread sections make installation easier with less drilling required than OE style * High temp resistant Knobs * 10 x 1. 0mm thread * Sold as a pair Tech Tips: Most commonly used in Evolution applications