Banshee 421cc Cub Engine Kit – SLP Pipes, +4mm Crank, CP Cylinder

🔥 421cc CP Industries Cub Complete Engine Kit – Yamaha Banshee (All Years)

This is the ultimate bolt-on 421cc power package for Yamaha Banshee builds — centered around the legendary CP Industries Cub cylinder and tuned with SLP in-frame pipes (not FMF). Whether you're dune-bound or building a high-performance trail ripper, this kit gives you proven reliability, forged internals, and premium cooling and clutch upgrades.

✅ Fits all Yamaha Banshee models and years
✅ Designed for +4mm long rod (115mm) crankshaft setups
✅ All parts are brand new in original packaging

📦 Kit Includes:

• CP Industries Cub Cylinder – 68mm x 58mm (421cc)

• Wiseco 573 Series Pro Lite Forged Pistons

  • Includes rings, wrist pins, and circlips

• Hotrods +4mm Stroker Crankshaft with Rods

• SLP In-Frame Pipes (Not FMF)

• Pro Design Billet Cool Head with O-Ring Kit and Studs

• Billet Pump Gas Domes

• Maxload & TZ Outer Crank Bearings

• Wiseco Wristpin Bearings

• Complete Gasket Kit + One-Piece Cub Base Gasket

• Complete Oil Seal Kit

• Heavy-Duty Clutch Kit

• Clutch Pusher with Bearing Mod

• Billet Water Pump Impeller with Bearing

• NGK Spark Plugs

• Dowel Pins

• Allen Head Stud Extenders

• Maxlock Cylinder-to-Crankcase Stud Kit (Allen Head)

• Water Jacket Plugs + 12-Point Base Nuts

🔧 Key Features:

• True 421cc big bore performance with SLP exhaust system

• CP Cub cylinder delivers strong mid and top-end power

• Fully matched top and bottom end setup — no parts guessing

• Premium bearings, seals, and gaskets for long life

• Everything included for a complete engine top-to-bottom build

📦 Shipping Time:
Ships within 5–7 business days. You’ll receive tracking once fulfilled.

💬 Customer Support:
We’re available Monday–Friday, 7 AM to 4 PM PST, with 24/7 store chat support for quick help.