I recently removed the head on my d15b7 engine and measured the cylinder bore. It measured 2.955 which is almost at the service limit spec which i found in the Haynes manual. Is there a stock honda piston that size that would replace the d15b7 piston? If i have to spend alot of money on pistons I might as well find a used motor to drop in. This one has 260,000 miles. I'm just looking for a cheap alternative.