Most Read Technical Articles
- DOES YOUR FUEL INJECTED SLED REALLY NEED A FUEL CONTROLLER? ARE THE PRE-PROGRAMMED CONTROLLERS OFFERED REALLY RIGHT FOR YOUR ENGINE?
- OILS: 2 Stroke Vs. 4 Stroke Synthetic vs. Non-Synthetic
- The REAL Function of the Ring
- Piston Deck Height Measuring and Its Importance in Head and Engine Design
- How to Read Spark Plugs
- 2 Stroke Engines: Operational Theory -->Does the bigger, higher HP engine require more or less fuel?
- PRESSURE WAVES IN YOUR PIPE AND HOW ELEVATION EFFECTS THEM
- WHAT CAUSES A 2 Stroke Engine to COLD SEIZE?
- Polaris CFI-2 Pistons and how long you should let it "Warm Up" (controversial)
- Polaris Piston Myths vs. facts and "Fix Kits"
Billet Heads
YAMAHA YZ 250 2 STROKE PERFORMANCE
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
800R - Rotax Twin Engine Heads
Heads for Series III (600, 600HO, 700, and 800) and IV (800R) Ski-Doo Motors
Series III - Rotax Twin Engine Heads
Heads for Series III (600, 600HO, 700, and 800) and IV (800R) Ski-Doo Motors
Polaris 600 Cheater Heads
Polaris 900 Twin Heads
RK Tek has developed an AWESOME Billet Head for the 900 Twin Fuel Injected Power-Plant.... The OEM head on this engine...
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 800 Cheater Heads
KTM 150 Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
2008- Present BETA-300 & 250 2 STROKE BILLET HEAD
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!
Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Honda ATV Heads
Make no mistake this head is the forerunner and most others just try and duplicate its stellar performance
Honda CR 500 Heads
Make no mistake this head is the forerunner and most others just try and duplicate its stellar performance
BETA - Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Billet Heads
Our "Hemi" design utilizes tighter squish clearances and a narrow squish band which will increase combustion efficiency...
