From:	Gary Morgan	Electronic:	gamorgan46 -A- frontiernet.net
Subject:	'51 Piston Rings +.020	Date:	Tue Feb 23 21:49:51 2010

The 48 to 51 parts book calls out part number 22346-47 for +.020 piston rings. The 48 to 1960 parts book calls out part number 22328-47 for 48 to 52-S, and 56 to 59 years. Is there a difference?