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Steeda rear spring confusion.

OldMerc

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I'm about to install my rear Steeda magnaride sport springs. I know they are side specific but can't figure out which one goes where. They are labeled FD054-RSA and FD055-RSA. Both have date codes of 07/24. There are no other markings. Installation instructions call for part numbers ending in LHWREAR and RHWREAR, but I can't find those on my springs...HELP!
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krisk

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I'm about to install my rear Steeda magnaride sport springs. I know they are side specific but can't figure out which one goes where. They are labeled FD054-RSA and FD055-RSA. Both have date codes of 07/24. There are no other markings. Installation instructions call for part numbers ending in LHWREAR and RHWREAR, but I can't find those on my springs...HELP!
Here are photos of right and left from Steeda. Left is first, right is second.

S650 Mustang Steeda rear spring confusion. IMG_5392


S650 Mustang Steeda rear spring confusion. IMG_5391
 
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OldMerc

OldMerc

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As I explained, mine don't have those part numbers. This is what I ordered...
1 Ă— Steeda Mustang MagneRide Sport Progressive Lowering Springs (2015-2026)
And this is what was delivered...There are no other markings.
S650 Mustang Steeda rear spring confusion. 20250420_150522
 

krisk

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As I explained, mine don't have those part numbers. This is what I ordered...
1 Ă— Steeda Mustang MagneRide Sport Progressive Lowering Springs (2015-2026)
And this is what was delivered...There are no other markings.
20250420_150522.jpg
Based on your photos and Steeda’s, FD054 is left and FD055 is right. They are wound differently. Since Steeda’s have labels, I’m applying that winding direction to your photos. Unfortunately, I’m not near my car or I’d take photos of my springs.
 
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OldMerc

OldMerc

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Thanks for that. One more thing, Steeda's instructions say the one marked LHW goes on the passenger's side and RHW goes on the driver's side. To me LH is left hand or drivers side and RH is right hand or the passenger side. Do they have it backward or do I? LOL

"NOTE: The rear springs are not the same. The spring with the part number ending in “RHWREAR” is to be used on the driver side and “LHWREAR” is to be used on the passenger side."
 


krisk

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Thanks for that. One more thing, Steeda's instructions say the one marked LHW goes on the passenger's side and RHW goes on the driver's side. To me LH is left hand or drivers side and RH is right hand or the passenger side. Do they have it backward or do I? LOL

"NOTE: The rear springs are not the same. The spring with the part number ending in “RHWREAR” is to be used on the driver side and “LHWREAR” is to be used on the passenger side."
I found a photo of my car and can confirm the ones listed as RH are installed on the driver side and LH on the passenger side.

S650 Mustang Steeda rear spring confusion. IMG_4734
 
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OldMerc

OldMerc

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Thanks for your time Krisk. I hate to be a PIA, but going back to my FD054 & FD055, when you say left for the 54 does it go on the drivers side or passenger side?
 

krisk

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Thanks for your time Krisk. I hate to be a PIA, but going back to my FD054 & FD055, when you say left for the 54 does it go on the drivers side or passenger side?
No worries. Your FD055 is driver side and FD054 is passenger.
 

tj@steeda

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If you are still having trouble or concerns, call us at 1800 950 0774 & our tech team can set you on your way!

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OldMerc

OldMerc

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Thanks Krisk. Maybe the RH and LH are referring to the spring twist and not the placement.
 

tj@steeda

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Best answer.
We have so many videos, photos & support on the subject - not trying to take the easy way out by not providing too much info, but it will be much more time efficient to speak to our tech & have that instantaneous feedback - as if other questions come up, they can also be answered :)
 

S650Mustang

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I had the exact same question as you based on the instructions stating the springs were labeled. I just did this install a couple of weekends ago on my magnaride mustang and you can't mess it up. As you stated, the coils are in different directions and can only be placed on the car one way. The tighter coils go to the top, just match the coils of your stock spring when you remove it and replace with the matching Steeda spring.
 
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OldMerc

OldMerc

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I did call Tech support, mostly to confirm I had Magnaride springs, but he did confirm the 55 on the driver's side and 54 on the passenger side as you said Krisk. Of course it was easy to see compared with the stock springs' twist. I have the Stop the Hop kit and ended up having to take the spacer dowels out of the bushings on the opposite side to get enough subframe drop for spring removal. It's back together, and I've had a successful test drive. The car definitely rides softer over the small stuff now, and of course, doesn't have as big a tire gap in the rear.
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