S&S Cycle Cylinder Kit - 100" - Silver

Brand: S&S Cycle
MPN: 910-0642
Eligible for FREE shipping! Ships within 1 day

Did I hear that right? Free Shipping on Everything? Well, almost....


  • - We offer Free Shipping on pretty much everything, except for the big stuff you can't fit in the trunk of your car. But I guess that depends on the size of your trunk.
  • - All items that are Eligible for Free Shipping will be clearly marked before you put them in your cart.
  • - Most places in the continental United States are eligible for free shipping, but your location may require some shipping fees to be applied.
  • - And how FAST is our Free Shipping? Most of the time, you'll get your items in 3-7 days. Sometimes faster, depending if we have a warehouse close to you with the products you need.
  • - But, if our FAST for FREE Shipping isn't quick enough, you'll almost always have 2 FASTER options to choose from at Checkout.
  • - We want you to count on us to get your gear, when you want it and at the lowest price possible!

Now get those items in the cart, and take advanatage of our Free Shipping, before the accountants decide we're breaking the bank!

Bolt-In Sidewinder 4" Big Bore Kits

$1,234.66
$1449.95 Save $215.29
Earn up to 1234 MotoMoney points!

How it works


Earn MotoMoney on every dollar you spend! There is a NO Minimum Order amount to start earning MotoMoney, and you earn 1 point for every dollar spent! (Sub-Total less any previous points redeemed)

For every 100 points you earn, you will receive $1.00 off of most items on our site (some Brands do not allow Rewards Points to be earned on their products). Your MotoMoney Points can be redeemed during checkout. [...Read More]

This item is vehicle specific.
Search by vehicle to ensure a proper fit.

Search Year/Make

Know what you need? Skip vehicle check.
+ -
Bolt-In Sidewinder 4" Big Bore Kits Bolt in - no machining, balancing or splitting the crankcases; install can be performed with engine still in frame

Cast Ductile Iron Sleeve in cast aluminum for superior heat transfer

88" engines are boosted to 100"

96" and 103" engines are boosted 110"

10.5:1 compression (w/ stock 85cc heads) makes for a very streetable and dependable engine that also responds well to performance cams

Complete kits include cylinders, forged pistons, rings, piston pins, clips and gaskets

Not for use with S&S 79cc heads