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S&S 131 Stroker Build

S&S sets the standard for Street/Strip Performance with Max HP and proven reliability. With the option of either the S&S 550g Cam or the 590g Cam for an even more radical ride. This transforms any M8 into a performance machine.

145+ HP

Not to be mistaken for the Screaming Eagle 131. (About 120hp)

Parts

S&S 4 5/8" Stroker Crank Approx. $1,500
S&S 131 kit. Approx. $2,900
Tappet Cuffs. Approx. $75
S&S Roller Rocker Guardian Kit. Approx. $730
Kibblewhite Cylinder Stud Kit. Approx. $120
+ 1mm Ward Heads. Approx. $1,650
64mm Throttle Body. Intake. Approx. $520
Ward Performance 64mm Port & Polish. Approx. $240
5.5 injectors. Approx. $180

Oil & Filter. Approx. $110
Gaskets. Bearings. Misc. Approx. $190
Total. Approx. $8,215

Labor

Approx. $1,700

Dyno Tune

Approx. $600

Options