Our Big Bore "Sleeper Kit" turns your Twin Cam 88 into a Mean Machine The use of these 4" bore "Sleeper" pistons in conjunction with a 4 3/8" Stroker crank you enlarge the capacity of the standard Twin Cam engine from 88 to 110CI. Stock cylinders must be re-sleeved, and crankcases have to be bored to accept the Big Bore sleeves. No cylinder head modification is required. Kit includes a pair of Wiseco forged pistons, piston rings, retaining clips, piston pins, and gasket kit. Big Bore cylinder sleeves and stroker crank must be ordered separately.
Article number | Description | Retail price | Add to cart |
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733906
|
4" Big Bore piston kit | € 446,66 | |
760527
|
4 3/8" stroke crank for 2000-2006 Twin Cam Softail. Features 1.671" crank pin and flywheels with integrated pinion and sprocket shaft | € 2.121,94 | |
231697
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Optional bearing assembly to install crank in all 2003-2017 models | € 180,12 |
Piston dome specification | ||||
All valve pocket specifications are measured from deck height | ||||
Dome Volume | Intake Pocket | Exhaust Pocket | ||
Depth | Diameter | Depth | Diameter | |
-2.3 CC | .205" | 2.150"- | .205" | 2.150" |
Recommended Retail Prices include 21.00% sales tax.
Prices exclude shipping, import duties and installation.