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VALVE LIFT
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DURATION
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DURATION @ 0.050"
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GRIND NUMBER
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REGRIND
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HARD WELD
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NEW BILLET
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483/933
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Performance profile to increase overall power. Requires Performance Valve Spring Kit, Shortened Valve Guides, and Exhaust System. Check ALL clearances! Price Per Set (2).
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45/297
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High lift short duration profile to increase throttle response. Works great for torque applications. Requires Performance Valve Spring Kit, Shortened Valve Guides, High Compression Piston, and Exhaust System. Check ALL clearances! Price Per Set (2).
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493/216
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Mid and top end racing profile. Requires Performance Valve Spring Kit, Shortened Valve Guides, Exhaust System, and High Compression Piston. Check ALL clearances! Price Per Set (2).
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Part Type
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PART #
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$95.00
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The PRO Series is designed for the racer who frequently adjust his engine. The easy-access socket head adjuster screw is perfect for tight spaces. The interior o-ring design ensures that repeated adjustments will not eventually flatten the o-ring against the jam nut. The PRO Series design features an internal o-ring and custom-machined adjuster bolt. The bolt is broached with a 4 mm hex. Price (Each).
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$385.00
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Kit includes Single Performance Valve Springs, Titanium Retainers, and Keepers. Stock bottoms OK. Price Per Set (4).
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$195.00
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Performance dual valve springs, titanium retainers and hardened bottoms. OK to .450 valve lift. Price Per Set (4).
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$30.00
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Standard size 36 mm. Price (Each).
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$30.00
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Oversized to 37 mm. Price (Each).
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$30.00
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Standard size 30 mm. Price (Each).
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$30.00
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Oversized to 31 mm.Standard size 28 mm. Price (Each).
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$16.00
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Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010 Price (Each).
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$16.00
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Made from special C630 Bronze material for longer wear. Standard size. Adds additional retainer to guide seal clearance. Custom sizes available +.001, +.002, +.004, +.010 Price (Each).
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493/943
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Increases mid and upper end performance. Works well in motorcross / flat track applications. Requires Performance Valve Spring Kit, Shortened Valve Guides, High Compression Piston, and Exhaust System. Check ALL clearances! Price Per Set (2).
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Part Type
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PART #
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$40.00
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26.5 mm x 19 mm x 2.7 mm Price (Each).
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$220.00
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Use with all WEB CAM profiles for precise engine tuning. Kit includes adjustable sprockets, adapters, cam bolts. Price Per Set (2).
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PDF
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Congratulations
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LINK
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Degreeing In Your Camshaft
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PDF
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JPG
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General Valve Spring Information
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PDF
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JPG
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Valve Spring Installed Height Information
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LINK
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Web Cam Full Catalog
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PDF
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Yamaha YZ 450 F DOHC 4v Parts List.
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Home | Yamaha YZ 450 F DOHC 4v | Updated: December 14 2019
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Web Cam Inc. products are not intended for use on pollution controlled vehicles.
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Phone: 951.369.5144