YAMAHA YZ 250 2 STROKE PERFORMANCE
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
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...
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...
Sherco Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Series III - Rotax Twin Engine Heads
Heads for Series III (600,600 RS, and 800) and IV (800R) Ski-Doo Motors
POLARIS PRO and AXYS 858 CFI Big Bore
If you are looking for HUGE TORQUE and HP Gains.. then look no further.
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
Polaris 800 Cheater Heads
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 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
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 Cheater Heads
PATRIOT 850 and 900 DROP IN KITS
RK TEK has developed an AWESOME Drop In Kit for the Patriot 850 and 900 Power-Plants
Oil Cap Replacements
Tired of the MESS associated with your Ski Doo, Polaris or Arctic Cat Oil Tank?
OEM Head Reshape
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
KTM & Husqvarna Cheater Heads
The Cheater Heads have been discontinued. We still offer the Full Billet and the Head Re-Shape
Honda CR 500 Heads
Make no mistake this head is the forerunner and most others just try and duplicate its stellar performance