Universal Parts Piston Pin $2.99 Quantity discounts available QuantityPrice SKU: 169-63 Restock: Limited Supply This item is IN STOCKCurrent Stock: 11 Quantity -+ Add to Cart Details Universal Parts 8Piston Pin for 170cc and 180cc GY6 Big Bore kits. Please see our Warranty & Returns Policy. Specs Outer Diameter: 15mm Length: 48mm Supported Models DetailsSpecsSupported Models Back Universal Parts 8Piston Pin for 170cc and 180cc GY6 Big Bore kits.Please see our Warranty & Returns Policy. Back Outer Diameter: 15mm Length: 48mm Back