Overview Product Description Recessed head. 1.247" CH. Contains L & R. Use M91146 rings.; Sizes : 040 Product Videos Custom Field Product Reviews Write a Review Write a Review × Engine Components Engine Piston Set - Kit Part - P1588(6) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments