Valach by Fiala Valve Springs
Sold single
Type A) Valve Spring FM60, FM70, FM120, FM140, FM170, FM210, FM280, FM420R5, FM800R7
Type B) Valve Spring FM85/FM250R5
Technical Dimensions
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SETUP GUIDE by DR.G
DR.G's GUIDE TO CARBURETOR BUTTERFLY TRAVEL, THROTTLE SERVO SPEED, ADJUSTING THE CARBURETOR NEEDLES