These clutches are the most adjustable yet! Full customization to your style of driving I.E. Racing, Cruising, off-roading and more! Tailor it with custom set ups for a Stock RZR 170 up to stroker 232 Motors. their are many keys to getting the adjustments you need, rest assured when you buy from StoneBuilt Racing you will get it sent to you with it pre adjusted to a racing set up upon request. and the knowledge and parts to make adjustments if needed.