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180000+ Parts & Accessories Our catalogue has grown extensively over the years and we now source a huge range of parts and accessories from a number of distributors from round the world.
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Simple Exchange Or Refund Policy
We know when customers receive their orders there is always the possibility of needing to exchange or return items for a refund. Rest assured if you need to, we make it simple. See T&C's for more details.
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S&S 3.927 Inch Big Bore Conversion Piston & Ring Kit +.010 Inch Size For 1999-2005 Dyna, 1999-2006 Touring, 2000-2006 Softail With 88 Inch Engine (106-4414)
S&S 3.927 Inch Big Bore Conversion Piston & Ring Kit +.010 Inch Size For 1999-2005 Dyna, 1999-2006 Touring, 2000-2006 Softail With 88 Inch Engine (106-4414)
Seen this item cheaper on another website? Let us try and match it!
We do our upmost to keep our prices competitive but due to the number of items we sell, you may occasionally find a better price advertised elsewhere. If you have seen a cheaper price on another website let us know by filling in this form. If we’re able to match the price, we’ll respond via email with a unique discount code.
Increase the displacement of 883cc and 1200cc engines to 1250cc at 10.3:1 compression
May be used with stock 1200cc cylinder heads, but S&S CNC ported heads are recommended
Stock 1200cc cylinders and 1986-'2003 883cc cylinders may be bored to accept the 3-9/16" bore 1250cc pistons, but 2004-'16 883cc cylinders may not be used
For P/N: 910-0201 & 910-0205 88" to 97" big bore conversion kits.
All orders are shipped with either DPD, Fedex, UPS, DHL or Royal Mail. The courier used to ship your order is determined by ourselves once your order has been placed and normally depends on the size, volume and the shipping destination. The selected courier for your order will be quoted in your order confirmation email which you will receive once we have processed your order. Once your order has been shipped, this will be confirmed via email and you will receive a tracking number so you can keep an eye on your shipments progress.