The Rekluse slave cylinder was designed to create a mechanical advantage which reduces lever pull by over 30% for M8 and 20% for Twin Cam widening the friction zone while moving the modulation point closer to the handlebars. The hard anodized billet aluminum construction provides enhanced sealing and maximum durability. Rekluse has years of experience engineering and manufacturing high performance billet slave cylinders for motorcycle applications, making this a proven solution you can trust. The Rekluse slave cylinder is a direct bolt-on OE replacement product.