KB Performance Forged Pistons 88" ci to 107" ci Conversion Kit Twin Cam Big Twin 1999-2006 Product Details Lightweight yet strong pistons forged from 4032 low expansion 11% silicon alloy This design along with an Accumulator groove between top and second ring Produces a better ring seal Features top land mini groove to reduce detonation 2 forged piston sets 2 sets of ductile iron moly coated rings Locks and assembly lube 4.125" Bore 4.000" Stroke 88" to 107" (.017" Dish w/+ 9.4cc) with Coated Skirts9.5:1 Compression+.005 over Stock BoreSOLD IN PAIRS Product Fitment1999-2006 Twin Cam 88" ci Motors RETAIL $329.95 Made in USA Check out our eBay StoreCLICK BELOW FOR MORE HARLEY PARTS >>> HARLEYSVILLE MOTORCYCLE COMPANY INC EST. 1994 YOUR #1 HARLEY DAVIDSON PARTS SOURCE Part # CCI 650868 / KB910C.005 Shipping We guarantee your satisfaction, that's why we work hard to get your item to your door as fast as possible All items you purchase from us are brand new and safely packaged for fast delivery to your door Cost for Lower 48 States Only International Shipping Cost is as Stated in Shipping Info Shipping to the contiguous United States consisting of the 48 adjoining U.S. states plus Washington, D.C.,And on the continent of North America Free Shipping is not available to non-contiguous states of Alaska and Hawaii, US Protectorates, or APO, FPO or DPO locations Photos are for reference only Actual product may differ from the item shown in photograph