250cc & 300CC Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Gas Gas Cheater Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
OEM Head Reshape
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Sherco Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Direct Replacement Piston Kit
POLARIS 800 (2008-Present) CFI and AXYS "Direct Replacement Piston Kit NO HEAD REQUIRED!
Polaris 800 CFI Direct Replacement Piston Kit
POLARIS 800 (2008-2020)CFI and AXYS "Direct Replacement Piston Kit NO HEAD REQUIRED!
Polaris 800 CFI 12HP or 20HP Drop In Kit
2008-Present (AXYS ALSO) POLARIS 800 CFI 12HP or 20HP "Drop In" Piston/Head Kit 2 DIFFERENT KITS TO CHOOSE FROM. BOTH...
Polaris 800 Cheater Heads
POLARIS PRO and AXYS 858 CFI Big Bore
If you are looking for HUGE TORQUE and HP Gains.. then look no further.
POLARIS 600 Twin Performance Kits
This kit will AMAZE you in how they transform the 600 power-plant from a slightly "LAZY" 600 to a "Torque-Monster"...
Polaris 600 Twin Drop In Kit
This kit will AMAZE you in how they transform the 600 power-plant from a slightly "LAZY" 600 to a "Torque-Monster"...
Polaris 600 Twin Drop In Kit
Polaris Patriot 850/900 Billet Heads
Torqueline Series Polaris 850 / 900 Patriot Billet Heads
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...
Billet Heads
Our "Hemi" design utilizes tighter squish clearances and a narrow squish band which will increase combustion efficiency...
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...
