Features

  • Includes ceramic coated cylinder, 61 mm forged piston, rings, pin, gasket kit and banjo bolts
  • Compression ratio of 11.5 to 1
  • Optional camshaft kit can be used with stock engine, but delivers improved results when used with 170cc Big Bore kit

Koso 170 cylinder kit, high flow injector, high pressure oil pump kit, head assembly with valves, fuel injector adapter, intake adapter, rubber intake, 34mm throttle body, Irridium spark plug, J tube.  Just does not include air filter or cam.

If you need info or another product for these bikes or any other bike quad ATV UTV scooter or snowmobile or have any questions contact us.

$49 shipping to lower 48 US states other locations via the eBay International Shipping Program or Hawaii (about $60 additional), Alaska APO/FPO and Puerto Rico US (about $90 additional) via quote BEFORE purchasing.  Thanks for looking visit my eBay store for more fantastic deals and happy eBaying.

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PO BOXES - If you have a PO BOX, please provide BOTH PO Box and physical strt address at checkout. The PO Box can be added to the second address line after your physical address.

Return Policy -   If you have received the wrong part number or kits are missing components, please contact us immediately. We will fix the problem by shipping a replacement or replacement components on a case by case basis.

If for any reason you aren't happy with your purchase or and item was ordered by mistake you may return the product within 30 days of the delivery date. The product must be unused, in re-sellable condition and include all original packaging and/or tags. Shipping costs for all returns are paid at the buyers expense unless a mistake was made on our part.  Please use the automated returns process in eBay from your order history and select the appropriate reason for return.

International Buyers – We use eBay International Shipping Program (ISP) for all exports to outside of the USA. The ISP makes things simple for buyers by automatically calculating import and shipping charges for international purchases upon checkout. Before purchasing, the buyer sees the item price plus all fees. That means no surprise charges and no additional fees upon delivery. All ISP (Export) orders are first shipped to ISP in Ohio.