
Polaris Patriot 850 and 900 Dual Ring Direct Replacement Pistons
2019-Newer 850 and 900 Patriot Engine Dual Ring Replacement Pistons
800 Series III - Drop In Kit
This "Drop In" Kit has been in existence since 2001. It is PROVEN Kit that WILL deliver the performance claimed. There...
Big Bore Kit
RK Tek spent a better part of the 2008 Season developing a performance package for the new Rotax 800R(ETEC is the SAME...
800R - Drop In Kit ETEC & PTEK
RK Tek spent a better part of the 2008 Season developing a performance package for the new Rotax 800R(ETEC is the SAME...
827 (172HP)Big Bore Kit
RK Tek Has developed an 827 (REALLY an 830cc) kit for the 2001-2007 800 Twin Engine. While we were not planning on big...
Series III - Rotax Twin Engine Heads
Heads for Series III (600,600 RS, and 800) and IV (800R) Ski-Doo Motors
Cylinder Porting
AS OF 2005.. RK Tek is porting cylinders using CNC Vertical Machining Centers (CNC porting). This assures EVEN porting...
Ski Doo 800R Dual Ring Replacement Pistons
Our pistons have a geometric design that is specifically for the rigorous use that a snowmobile engine subjects the...