100ci Big Bore Kit – Silver. Fits Big Twin 1999-2006

$2,610 $2,349

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Features & Benefits:-

* Upgrades Twin Cam 88ci to 100ci.

* Cast Ductile Iron Liner; Increases Thermal Conductivity, Aids in Heat dissipation & Improves Ring Seal.

* Includes 8.75cc pop up Dome Forged Pistons.

* Includes 0.045in. Head Gaskets.

* 4.00in. Bore with 4.00in. Stroke = 100ci

* 10.5:1 Compression Ratio with Stock 85cc Heads.

* 10.1:1 Compression Ratio with S&S 89cc Heads # SS106-4270

Tech Tips:-

* Use care during assembly to avoid damage to Cylinder Spigots.

* Ring gaps must be checked & Recorded by the assembling Technician.

* Piston to Cylinder Clearance must be checked by the assembling Technician and Cylinders honed with torque plates fitted if required.

* Rev Limit should be set at 2500 rpm for the first 80klm.

* Rev Limit should then be set at 3500 rpm for a further 1,500klm.

* To prevent Detonation, Over fuelling etc a Proven EFI Map is required to adjust the Factory Fuel & Timing Calibrations & bring your Engine into Equilibrium with your new Mods.

* Will Not Fit with S&S 79cc Heads.

Proudly Made in the USA by S&S Cycle !

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