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Product Description
Details
106mm big bore piston, 1142 ccm, to fit in the 1098 Bi/S models. It is necessary to bore the crankcases and get the 1098R cilinders for 1198 . Compression 12,8-13,2. Use only cold spark plugs. Head gasket from 1098R or 1198. Piston complete with bolt and rings. Piston weight 475 gramm. Price per set. Cheapest and easiest method to optimize 1098-Engines!