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Home > Polaris > Stage Tuning Kits and Performance Edition Packages > 800 - 2011-16 RMK, RMK Assault, Switchback Assault Stage 4
800 - 2011-16 RMK, RMK Assault, Switchback Assault Stage 4
  Product Information:
Description Retail
Single Pipe and Silencer (2011-12 Part #09-891, 2013-16 Part #09-862) 699.95
Performance Edition Porting, including decompression hole plugging (Labor Operation #15-8024) 350.00
SLP EGT Resistor (Part #090-32) 2011-12 models 3000'+, 2013-16 models all elevations 15.95
SLP Metal Exhaust Gasket (Part # 090-996) 24.95
Power Dome™ Billet Heads (Part # 12-403 for 0-6000', Part # 12-404 for 6000' and above) 374.95
High Flow™ Air Intake Kit (Part #14-307) 64.95
SLP Air Horn (Part #14-313) 15.00
PCFC with SLP Preprogrammed Map (Part #70-168) 249.00
Clutch Kit, Components and price dependent on sled and elevation (please inquire) 161.85
V-Force 3R Reeds (Part #22-158) 258.00
Typical Total 2,214.60

Finally a performance level worthy of this great, lightweight chassis. The stage 4 kit adds cylinder porting for the ultimate in horsepower on today's pump fuel (91 octane minimum). This kit provides a 20.8 horsepower and 11 ft/lbs of torque gain over stock while reducing weight by 5.5 lbs on 2013-16 models (3.7 lbs on 2011-12). WOW! In the field from the minute you touch the throttle, you realize just how well this package performs. It provides awesome low end grunt and really legs out on top. The power of the engine is finally mated perfectly with the weight and revolutionary design of the chassis. Order yours today.

Stock cylinders without exhaust valve assemblies will need to be sent to SLP for modification.

Note: We recommend adding our Powder Valve™ for maximum performance in deep powder snow conditions. Refer to 'Related Items' tab above.

Available for ALL elevations.

for Axys models

Important Shipping Information: Pack engine parts tightly with a minimum of 2 inches of packing material such as newspaper or cardboard around each part. Insure package for the replacement value of the parts being shipped. We recommend shipping via UPS or FedEx. Please remember to include complete contact information inside your package.

Shipping Address:
SLP Machine Shop
743 E. Iona RD.
Idaho Falls, ID 83401

"Setting the World's Performance Standards"