PayPal: Add PSV Deflator Set - Brass to cart High tyre pressure can cause blow outs and reduce floatation on soft sand. The PSV will prevent these problems. Preset to 17 psi and easily adjustable  from 10 psi to 40 psi.  Supplied as a set of 4 in a nylon  pouch with adjusting key. $49.95 / Kit Instruction Card ABR - SIDEWINDER TYRE DEFLATORS Staun ezy deflator PSV ARB PayPal: Add Core Deflator Gauge to cart $34.95ea   In-Stock Core Tyre Deflator Gauge  Removes valve core for super fast deflation.