New Ring Set - Standard, MUST STATE YEAR and SIZE in order comment box. Set; 90.0mm Bore; Standard; (1) 2.00mm, (1) 2.50mm & (1) 4.00mm Ring Grooves. Price is for standard bore, oversize rings in 0.50mm (0.020), 0.75mm (0.030), and 1.00mm (0.040). Oversize ring sets are $5 more per set and are not returnable. YOU MUST STATE SIZE IN ORDER NOTES. BE SURE of what you are ordering.