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we started with larger diameter military grade stainless steel spring wire and wound it to exacting tolerances
Tapered bore
XT-516-SSB_2 (Blue) / XT-516-SSZ_2 (Black)
Stock are plastic that wear out and stick
Piston Diameter43
YAMAHA WR/YZ 450F GASGAS EC450F 2003-2015 Wiseco 4 Stroke Forged Series Piston Kit, 95.00 MM Bore, 12.5:1 CR 4785M09500 200EXC we started with larger diameterNotice: Product Images may differ from the actual product. Image may be a representation of this item. Made in the USA Fitment: GAS GAS EC 450F 2013 2015 YAMAHA WR 450F 2003 2015 YAMAHA YZ 450F 2003 2009 Bore Diameter 95. 00 Compression Ratio Actual 12. 5: 1 Included Components Ring Set #3741XS, Wrist Pin #S600, CirClip #CW18 Piston Diameter 94. 94 Piston Material 2618 Piston Oversize STD Product Series 4 Stroke Forged Series Product Types Piston Kits
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