Yamaha YFZ450R/X Big Bore Kit – 98mm 14:1 CP Piston (FI Only)
SKU 284373354077
🔥 Yamaha YFZ450R / YFZ450X 98mm Big Bore Kit – 14:1 CP-Carrillo Piston | FI Models Only 🔥
Bolt-On 98mm Big Bore Power for ALL YFZ450R/X Fuel Injected Models
Looking for maximum power from your fuel-injected YFZ450R or X? This 98mm bolt-on big bore kit includes premium race-grade components designed to dominate on alcohol or race gas. No case mods needed — just bolt on and go!
✅ What’s Included:
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🧱 98mm BPR Big Bore Cylinder (bolt-on ready)
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🏁 14:1 CP-Carrillo Custom Forged Piston – Race Gas or Alcohol Only
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🔩 Nitrite-Coated Piston Rings, Chrome Wristpin & Circlips
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🛡 Maxlok TITANIUM Head Stud Kit – *Lifetime Warranty
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🧩 Cometic MLS Big Bore Head Gasket & Top End Gasket Kit
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⛓ Timing Chain
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🔌 NGK Spark Plug
💥 Key Features:
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No case or head mods required – bolt-on performance
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High-compression CP-Carrillo piston for elite racing setups
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Titanium stud kit designed to handle extreme pressure
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All parts are brand new & factory sealed
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Ships fast — Authorized Distributor
📦 Compatibility:
Fits ALL Yamaha YFZ450R and YFZ450X models – FUEL INJECTED ONLY (2009+ YFZ450R and 2010+ YFZ450X).
⚠️ Fuel & Installation Note:
Piston requires race gas or alcohol only. This is not a DIY kit. Installation and tuning should be performed by a qualified engine builder.
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