Here are the OEM specs.

December 5 2017 at 3:24 PM
Jeff C  (Login Dieker)
YF


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wire .125'', coils 29.5, OAL 8.3/8'', compressed 3.6875, guide shaft 2.5 inches long, Guide OD tapered from .460'' to .490 at the base, spring ID .505''.( very loose on guide but a good fit in piston) I put a 3.5'' long sleeve over the factory guide and kept the oem seals just sanded some rough spots and honed the comp tube. The piston is bearinged on the rear like a TX or LGU.

 
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