Overview Reviews Product Description Piston Rings - Premium Race Series - 4.040 in Bore - File Fit - 1.2 x 1.5 x 3.0 mm Thick - Standard Tension - Steel - Nitride - 8-Cylinder - Kit Product Videos Custom Field Product Reviews Write a Review Write a Review × Je Pistons Je Pistons Piston Ring Set 4.040 Nitride 1.2 1.5 3.0mm JG31F8-4040-2 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *