Wow, I never would have found that. I thought they were called piston pull back springs.
From: Forward Look Mopar Discussion List [mailto:L-FORWARDLOOK@xxxxxxxxxxxxx] On Behalf Of Dave Stragand Sent: Friday, December 13, 2013 1:47 PM To: L-FORWARDLOOK@xxxxxxxxxxxxx Subject: Re: [FWDLK] HELP FINDING AN ENGINE PART
If you just need a piston return spring, you can still buy them new: