These kits are designed to withstand large increases in horsepower. The kits include everything you need to build and protect your motor from small to large power ranges. No more guessing which items you need. ROSS and or Wiseco pistons are used with this kit, depending on the availability and application. This is a special order item, items will be ordered and kits will be made after your order. Shipping times may vary. Complete Gasket Set Cometic Head Gasket ROSS and or Wiseco Forged Performance Pistons - with 8.5-1, 9.5-1, or 10-1 Compression Ratio Available Bores - 81.5mm - 82mm - 82.5mm - 83mm Performance Rings Performance Wrist Pins TOGA HP Main Bearings TOGA HP Rod Bearings Thrust Washers Timing Belt Expansion Plugs Optional TOGA High Volume Oil Pump Shipping:This is a special order item, please allow 3-4 weeks for shipping. NOTE: It is acceptable to use a slightly larger piston bore than stock. (Ex: 82mm stock bore can use an 82.5 or 83mm). A lower compression ratio is designed for forced induction applications. After your purchase you will be notified via email for Bore and Compression Ratio needs.