Cylinder Porting
AS OF 2005.. RK Tek is porting cylinders using CNC Vertical Machining Centers (CNC porting). This assures EVEN porting...
GAS GAS 250 & 300 2 STROKE PERFORMANCE
The Stock head is a VERY inefficient design and leaves A LOT of Performance on the table. We have spent many hours...
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
800R - Rotax Twin Engine Heads
Heads for Series III (600, 600HO, 700, and 800) and IV (800R) Ski-Doo Motors
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...
SKI-DOO 500SS and TNT Engine
This over-bore turns your 600cc engine into a 662cc engine. We use the same piston in this kit that is used in out...
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 Patriot 850 and 900 Dual Ring Direct Replacement Pistons
2019-Newer 850 and 900 Patriot Engine Dual Ring Replacement Pistons
Polaris 800 Cheater Heads
Polaris 600 Cheater Heads
Polaris Patriot 850/900 Billet Heads
Torqueline Series Polaris 850 / 900 Patriot Billet Heads
POLARIS PRO and AXYS 858 CFI Big Bore
If you are looking for HUGE TORQUE and HP Gains.. then look no further.
250cc & 300CC Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
2008- Present KTM-BETA-HUSKY-300 & 250 2 STROKE BILLET HEAD
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
250cc & 300CC Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
