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How To Convert 2.5x6” Coilovers for OEM Replacement Use (2nd Gen Tacomas)

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Old 06-28-2012, 01:15 PM   #1
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How To Convert 2.5x6” Coilovers for OEM Replacement Use (2nd Gen Tacomas)

How To Convert 2.5x6” Coilovers for OEM Replacement Use

I recently converted a 2.5x6” King Coilover from a generic off road vehicle (non-toyota) to be used in the OEM shock mounts. This is a brief write up of how I did it.

I first did a lot of calculating to determine which shocks I would need to get to fit within the stock mounts. I consulted the King website to get some numbers:

King OEM Tacoma front Coilovers: 16.750” compressed length, 21.687” extended length, 4.937” total travel

King Performance Series 2.5x6” Coil Over: 14” compressed length, 20” extended length, 6” of total travel

Now, what makes the King OEM series coilovers fit on a Tacoma?
- 1.25" bearing spacers to fit in the top plate adapter (YOU MUST CONFIRM THIS WITH THE COMPANY YOU ARE PURCHASING THE TOP PLATE ADAPTERS FROM FIRST)
- 1.5” bearing spacers to fit in the stock lower control arm shock mount
- Raised lower spring cup to clear space for the CV axles
- A 2” thick rod spacer that fits between the rod end and the spring cup to raise the coils even higher to clear the CVs. Note that this robs the coilver of shock travel
- Top plate adapter on top of the coilover that converts the top mount from eyelet to the Toyota 3 bolt design
- 600 – 650lb springs

After recognizing these necessary conversions, I set out to obtain the following parts:
- 1.5” bearing spacers from Polyperformance: Part Number: KRS-25016-008
- Raised lower springs place: part number: KRS-25301-003
- 3” extended rod end: Part number: KRS-25005-004. I ditched the rod spacer and opted for a rod end because it allowed us to use the full 6” of shock travel
- Top plate adapter from a buddy’s Camburg LT kit that he didn’t need. You can either make these yourself, or get it from King, Camburg, Fox, Total Chaos, and Engage. I know Engage sells a set of these for under $100
- 14” 600lb King Springs from a swap meet

If you don’t want to piece it together, you can buy a 2.5x6” King Coilover from Downsouth Motorsports and, in the lower options drop boxes, choose:
- 6.0” travel
- +3” Length Longer Rod End (+$50)
- 90 Degree Hose Adapter (+$15)
- Raised Lower Spring Plate (free)
Mention that you need a 600 or 650 lb spring too. When all is said and done and 2 are added in the cart, the total price comes out to $1,142.00, around $300 cheaper than the King OEM replacement shocks. Now all you have to do is find the 1.5” bearing spacers and the Top plate mount and you are set.

The coolest thing about this is you can find used 2.5x6" coilovers for way cheaper than OEM King Replacement Toyota Coilovers. All it takes is to find the rest of the parts you need to convert it used or new and, depending on how resourceful you are, you can have a King Coilover that pulls more shock travel than the OEM series for way less than a OEM King Coilover.

Here is our finished product mounted on Jen’s truck. It cycles nine inches of hub travel without the CVs or anything else binding, and uses almost the full 6” of shock travel before hitting the stock bump stops:

Full Compression Cycling:


Full Droop Cycling:


With 12" 550lb springs on. These were way too soft so we later switched to 14" 600lb springs:


Ride Height:


And this is a picture pointing out where the rod/shaft spacer on the OEM replacement Kings are that robs travel:
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Old 06-28-2012, 01:42 PM   #3
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Why no spindle gussets?


Nice write up!
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Old 06-28-2012, 01:43 PM   #4
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Quote:
Originally Posted by Taqoma View Post
so can I get this 3” extended rod end: Part number: KRS-25005-004 and convert my OEM kings?
technically yes, but it will make your Kings way longer because your Kings actually have a 8" shaft vs Jen's 6" shaft, and you saw how hard it was to squeeze it in the lower shock mount with the regular rod end.

If you got the 3" rod end, you would need to get limit straps for your front and wouldnt be able to use the last 2-3" of shock travel.
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Old 06-28-2012, 01:43 PM   #5
wo ai ni bao bei ^_^
blackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shed
 
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Originally Posted by MonkeyProof View Post
Why no spindle gussets?


Nice write up!
spindle gussets are sitting in the garage waiting to be welded on!
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Old 06-28-2012, 01:49 PM   #6
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blackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shed
 
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This picture shows where the OEM Kings shaft spacer between the rod ends and the lower springs plates are that rob around 2" of travel:

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Old 06-28-2012, 01:52 PM   #7
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Quote:
Originally Posted by blackhawke88 View Post
technically yes, but it will make your Kings way longer because your Kings actually have a 8" shaft vs Jen's 6" shaft, and you saw how hard it was to squeeze it in the lower shock mount with the regular rod end.

If you got the 3" rod end, you would need to get limit straps for your front and wouldnt be able to use the last 2-3" of shock travel.
so for me, pointless thread
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Old 06-28-2012, 01:53 PM   #8
wo ai ni bao bei ^_^
blackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shedblackhawke88 is one of the sharper tools in the shed
 
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Quote:
Originally Posted by Taqoma View Post
so for me, pointless thread
lol yup! This thread is for people who cant afford fully adjustable compression OEM replacement Kings!
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Old 06-28-2012, 02:12 PM   #10
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someone can probably talk this guy down to $300 and do the same thing to these SAWs:
http://www.dezertrangers.com/vb/part...ies/160286.htm
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Old 07-06-2012, 11:19 AM   #11
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damn! I totally would have done this! ah well. new to the game.
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Old 07-29-2012, 01:13 PM   #12
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can someone post a link to the coil bucket adapter? i cant seem to navigate those sites well enough to find one haha.
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Old 07-29-2012, 01:46 PM   #13
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Quote:
Originally Posted by superwhite View Post
can someone post a link to the coil bucket adapter? i cant seem to navigate those sites well enough to find one haha.
Not so much a direct link, but contact the following companies by googling them:
- Total Chaos Fab
- Camburg
- Engage Off Road

Each of the above companies have the adapters for sale. Just call them for a price.
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Old 07-29-2012, 04:26 PM   #14
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for sure, ill have to give them a call tomorrow, didn't see them listed on any of their sites.
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Old 07-29-2012, 04:31 PM   #15
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one more question, where can i get the adapter to charge the kings with nitrogen?
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Old 07-29-2012, 11:04 PM   #17
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just ordered the kings from dsm, just need to give king a call in the morning and see about getting the top mounts. Super stoked to have the remote resivoir setup and 6" travel for around 1400, not bad if you ask me; considering the direct replacements are closer to 2k.
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Old 07-29-2012, 11:10 PM   #18
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this really should be stickied. this is a great way to maximize the stock tacoma travel with great shocks, rather than paying more for the OEM length kings.
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Old 07-29-2012, 11:11 PM   #19
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Quote:
Originally Posted by superwhite View Post
just ordered the kings from dsm, just need to give king a call in the morning and see about getting the top mounts. Super stoked to have the remote resivoir setup and 6" travel for around 1400, not bad if you ask me; considering the direct replacements are closer to 2k.
engage sells the top mounts for 75
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Old 07-29-2012, 11:23 PM   #20
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Originally Posted by anthony250f View Post
engage sells the top mounts for 75
awesome, thank you sir!
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