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Discussion Starter #1
I have been selling quite a few quick-release sets (for tank and seat) on Facebook lately, but had a request for a set of stacks from a member here.
These are for SP2, front is 25mm high and rear is 50mm, made from Delrin (= pom / polyoxymethyleen / polyacetal).

 
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Discussion Starter #3
PM sent to you.
 

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Discussion Starter #5

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Discussion Starter #6
1 Set of black SP2 stacks available, 25mm/1"high.
150$ US, shipping is 25$ US.

 

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Discussion Starter #7
SP2 stacks sold.
 

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Discussion Starter #8
I have a set of 25mm black SP2 stacks available, and for the SP1 both 25 and 50mm in white.
 

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Discussion Starter #9
More stacks available for SP1 / SP2 / 25 or 50mm height / black or white delrin.





 

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Discussion Starter #10
Availabe for SP1 and SP2 in 1 inch and 2 inch heigths.
 

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What are the differences of the various heights? I know it's been a while but I can pull the trigger on a black set for an SP2 now.
 

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Discussion Starter #12
The short stacks will shift the power towards the upper part of the rev.range, the long stacks towards the middle part. 1 Short and 1 long stack is as oem. There won't be any huge gains, which is really difficult with the RC51, you can just move the power around a bit. All depended on state of tune ofcourse. You will need an aftermarket airbox for the stacks (or a modified oem box).
 

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Discussion Starter #13 (Edited)
A few sets available in black Delrin, SP1 / SP2 in 25 / 50mm (1 inch / 2 inch).
Free shipping in 2019.
 
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