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| GYTR® Valve Spring Kit |
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Springs are a dual-rate progressive design that are made of fatigue-resistant chrome silicon. Designed for high performance camshafts. Intake spring force increased by 56% over stock at maximum lift of 8.8mm. Exhaust spring force increased by 25% over stock at maximum lift of 8.5mm.
Intake Springs:
• Installed height: 29.4mm
• Spring force: 120 N (27 lb.)
• Spring height at max lift of 8.8mm: 20.6mm
• Spring force: 325 N (73 lb.)
Exhaust Springs:
• Installed spring height: 28.65mm
• Spring force: 131 N (29.5 lb.)
• Spring height at max lift of 8.5mm: 20.15mm
• Spring force: 341 N (77 lb.)
*NOTE: If using this Valve Spring Kit on '05~'09 YZ250F/ WR250F models, 2010/2011 YZ250F spring retainers are required.
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| Fits '05~'13 YZ250F/ WR250F* |
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| 17D-E21J0-V0-00 |
$129.95 |
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