Overview Product Description Flat top. 1.260" CH. 0.8258" floating pin. Use C87026 rings.; Sizes : .50 Product Videos Custom Field Product Reviews Write a Review Write a Review × Engine Components Engine Piston Set - Kit Part - P4603(6) Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name *Email *Review Subject *Comments