Stock 998 and 1098cc engines use a 'press fit' to hold the wrist pins into the connecting rods. To allow the wrist pin to 'float' in the rod, thus reducing friction, etc. etc. the wrist pin still must be held in place. The best answer is to use these precise Teflon buttons. They simply push into the end of the pin and thus slid up and down in the cylinder bore- works great! Includes a set of 8 buttons.
Stock 998 and 1098cc engines use a 'press fit' to hold the wrist pins into the connecting rods. To allow the wrist pin to 'float' in the rod, thus reducing friction, etc. etc. the wrist pin still must be held in place. The best answer is to use these precise Teflon buttons. They simply push into the end of the pin and thus slid up and down in the cylinder bore- works great! Includes a set of 8 buttons.
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