Overview Product Description Dome top 0.095". 2.160" CH. Hyper. Iron top ring groove. 4-ring piston. Use M39458 rings.; Sizes : 040 Product Videos Custom Field Product Reviews Write a Review Write a Review × Engine Parts Engine Piston Set - Kit Part - P3041(8) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *