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 |
---|---|---|---|
733906
|
4" Big Bore piston kit | 5 308,07 kr | |
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 | 25 216,98 kr | |
231697
|
Optional bearing assembly to install crank in all 2003-2017 models | 2 140,54 kr |
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 25.00% sales tax.
Prices exclude shipping, import duties and installation.
Prices are based on EUR to SEK interbank rates obtained daily. The interbank rate is the rate that banks trade currency to each other. These prices must be used as a guide.