Description Inferno Racing clutches offer a range of clutch springs to change the engagement of there range of clutches including the Inferno Fury, Inferno Blaze & Inferno Flame. The same springs are also used in the 1 inch bore Inferno clutches & along with different shoe positions & weights including both heavy & light weights makes the Inferno racing clutches the most adjustable clutches on the market, You are purchasing one set of 4 black springs with an approx engagement speed of 3400 RPM depending on weights & shoes used You can use 2 different springs to dial in the right requirements of you clutches lock up point & also double up on springs where very high level clutch engagement is required.
