Most Read Technical Articles
- PRESSURE WAVES IN YOUR PIPE AND HOW ELEVATION EFFECTS THEM
- Technical Article List
- OILS: 2 Stroke Vs. 4 Stroke Synthetic vs. Non-Synthetic
- Piston Deck Height Measuring and Its Importance in Head and Engine Design
- WHAT CAUSES A 2 Stroke Engine to COLD SEIZE?
- ENGINE LOAD AND ITS EFFECT ON PERFORMANCE!
- Ski Doo Rotax Series III Engine Problems and Solutions.
- ADJUSTING YOUR CARBURETOR
- Exposing the Myths of High Octane Fuel and the Definition of Detonation
- CLUTCHING SET-UPS, TESTING, and FUNCTION
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!
800 Dual Ring Replacement Piston Kit
Our pistons have a geometric design that is specifically for the rigorous use that a snowmobile engine subjects the...
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...
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...
800R - Rotax Twin Engine Heads
Heads for Series III (600, 600HO, 700, and 800) and IV (800R) Ski-Doo Motors
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...
Arctic Cat F7 /M-7 to F8/ M-8 Big Bore Kit
RK Tek has developed an outstanding option for your Lay-down 700 engine. Rather than spend your hard earned $$ on the...
Arctic Cat M-7 and Firecat F-7 Laydown
RK Tek has developed an outstanding option for your Lay-down 700 engine. Rather than spend your hard earned $$ on the...
Arctic Cat M-8 & F8
The 800 Lay-down engine is the engine that requires the most attention. In fact, it is surprising that this engine even...
Arctic Cat Pro Climb 8000, M-8, and Fire-Cat 800 Lay-down
Our "QUAD"Head is nothing short of AMAZING! This head will completely change the way your engine performs! There is NO...
Arctic Cat PRO,M-8 & F8 925cc Big Bore Kit
The RK Tek 925cc Big Bore kit is quite different from other Big Bore Kits on the market. This kit uses a VERY custom...
BETA - Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
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...
Billet Heads
Our "Hemi" design utilizes tighter squish clearances and a narrow squish band which will increase combustion efficiency...
Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
Cylinder Porting
AS OF 2005.. RK Tek is porting cylinders using CNC Vertical Machining Centers (CNC porting). This assures EVEN porting...
Direct Replacement Piston Kit
POLARIS 800 (2008-2018 - Present) CFI and AXYS "Direct Replacement Piston Kit NO HEAD REQUIRED!
GAS GAS 250 & 300 2 STROKE PERFORMANCE
The Stock 250 head is a VERY inefficient design and leaves A LOT of Performance on the table.
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
KTM 150 Custom Billet Heads
RK TEK IS 100% CONFIDENT IN THE PERFORMANCE OF THESE 250cc AND 300cc HEADS!
