Raptor 700 734cc Big Bore Top End Kit. This Kit includes: -JE, CP, or Custom 14:1 Diamond Piston -Bored and Replated OEM Cylinder (Cylinder Core Options available, CPI Cylinders also available for large stroker / turbo / nitrous applications where a heavy duty cylinder are required) -105.5mm Cometic Top End Gasket Kit Multiple Compression Ratio Options are available. We recommend JE 11:1 or CP 10.75:1 Compression Piston for Pump Gas Engines. We recommend 14:1 Custom Diamond Piston for Race Fuel (110+ Octane) and Alcohol Engines. This is a very reliable big bore top end kit, and is capable for producing great power with the proper supporting modifications. This kit will work with stock bottom end and stock cylinder head and valves, but porting and other modifications are highly recommended to get the most performance from this engine kit. Please Note: Current Stock shown reflects Ready to Ship Cylinder and 14:1 Diamond Piston Inventory. JE pistons and some CP Pistons may be special order items and may have additional shipping time. Please Contact Us if you have any questions on available inventory. Cylinder Core Options: Option 1: $100 Core Charge, Pay $100 Core Charge and we will ship in stock inventory immediately (Current Stock listed reflects Ready to Ship Inventory, If no current stock is listed, we are likely out of ready to ship bored cylinders, and a ETA will be listed under availability.) Core Cylinder can be returned within 60 Business Days for refund upon receipt and inspection. Options 2: Purchase Outright, Purchase $100 Cylinder Core Outright. This option is for people that do not have a OEM Cylinder Core to return for refund. (Current Stock listed reflects Ready to Ship Inventory, If no current stock is listed, we are likely out of ready to ship bored cylinders, and a ETA will be listed under availability.) No Core Charge Refund offered with this option.  Option 3: Purchase New OEM Cylinder Outright. This option is for customers that do n