Overview Reviews Product Description Screw-style governor in stainless steel, tailored for 4000 rpm operations in harsh environments. Product Videos Custom Field Product Reviews Write a Review Write a Review × WOODWARD TG13 Screw SS, 4000 rpm (9904-820) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *