910-0646 100" SIDEWINDER BIG BORE KIT FOR 1999-'06 HD® BIG TWIN MODELS – WRINKLE BLACK

Description

S&S CYCLE

Part Number : 910-0646

910-0646

Inspired by our Pro Stock Drag Race engines, these updated big bore kit utilizes a Ductile Cast Iron liner wrapped in cast aluminum for optimum thermal conductivity and performance. Bolt-in kits do not require machining, rebalancing or engine removal, and include just about everything you'll need to complete the installation. The biggest cylinder bore that can be installed in a stock crankcase without machining!

Features & Benefits

•Low friction Ductile Cast Iron liner

•10.5:1 Compression

•Bolts in. No machining, balancing, or splitting the crankcases

•88" engines are boosted to 100"

•Complete kits include cylinders, pistons, gaskets, and instructions

•Wrinkle black cylinders ? matches stock finish

•Although not mandatory, we recommend adding an oil cooler to bikes ridden in warmer climates

Stroke	Bore	Cylinder Length	Piston Type	Dome Volume	83cc CNC Heads	85cc Stock Heads	89cc S&S Heads
4	4.00"	4.937"	Forged	8.75 pop up	10.8:1	10.5:1	10.1:1

*Not compatible with S&S 79cc Super Stock® heads. Not recommended for Tri-Glide or other three wheel models due to lugging nature of these bikes.

**** PLEASE NOTE ***** : 910-0646 IS A QUALITY AFTERMARKET PRODUCT. ANY OEM HARLEY PART NUMBERS IN THE TITLE OR DESCRIPTION OF THIS ITEM ARE FOR REFERENCE ONLY , THIS IS A QUALITY AFTERMARKET PRODUCT THAT WE HAVE SOURCED AS AN ALTERNATIVE TO THE OEM VERSION OR FOR WHEN HARLEY-DAVIDSON HAVE CEASED TO MANUFACTURE THE OEM PART.