Handmade spring compressor See blog post for write-up: https://www.pyramydair.com/blog/2018/03/spring-doc-spring-compressor-review/ Used it to install two vortek kits; one on a HW50s and one on a HW30s. Selling because haven't used it since then. Paypal F&F, Venmo F&F, Cashapp, final sale...