Spring Primary / 05-140-330 Green Wheels & Tires We developed this valve design
Baker’s notes & crumb story
Description
Spring Primary 05 140 330 Green Wheels & Tires We developed this valve design We developed this valve design in the fall of 2010 and tested them on turbocharged and naturally aspirated engines throughout the season with amazing results Small 4 Degree PN: BMP TK3