Coming from Mugen and made for the MTX7 1/10th 200mm nitro touring car is a clutch spring specially developed for the use with O.S. TG12 engines. Softer than the standard kit spring the new TG12 specific variant will allow for a smooth and reliable clutch engagement when using O.S. Engine’s popular TG12 sports line engine. The spring is a direct fit and it will hit stores this March.