S&S Cycle 98 in. Big Bore Kits

S&S Cycle 98 in. big bore kits are a fantastic upgrade if your Harley® is just a bit tired. The thicker and beefier cylinders mean that the engine will run cooler and you'll love the forged pistons that come with the kits. These are the largest bores that can be fit in your stock engine case. The cylinder and piston kits make going to the max bore size easy. There is no machining required and stock engine height is maintained. These kits come with nearly everything needed to get the most out of the added cu. in. to your stock engine. You won't believe how much power these kits produce!

Features and specifications:

* Kit yields excellent results with stock cylinder heads
* Easy installation—no need to bore or split existing cases, just swap the cylinders
* Available in a choice of either black or silver powdercoat finish with polished fins
* Increased fin area for better heat dissipation
* Valve pocket recessed in S&S pistons are enlarged for oversize valves and higher lift cams Show Less