Product Details

Polaris AXYS 800HO Performance

The Polaris Axys 800HO from 2015 to 2020'. Same bore and stroke as previous 800cfi. New porting, new exhaust valves for stronger mid range and lightweight crankshaft gives this new engine some much needed extra HP performance.

Terra Alps Racing still takes it to the next level finding more HP and reliability over stock production parts.

 

-860cc BIGBORE - 179+ HP, with Y pipe and single pipe. Most powerful pump gas Polaris bigbore! Still the best engine on the market making the most HP (12 hp more then next big bore in line using high compression and race fuel mix) and reliability.$3195 cdn. or $2300 us approx.

   Send in your cylinder, exhaust valves complete, and top case half. Or whole engine, we can disassemble and reassemble the engine for you. For the 860 big bore we bore, weld  and fully port the cylinder and cases. Modify the exhaust valves. Comes with piston kits, billet head with custom interchangeable domes set up for pump gas, base gaskets with shim and HD cylinder bolts.

Availible with stock appearing head for Improver classes.

 Fuel controller is needed to add extra fuel plus extra clutch weight is needed!

Terra Alps Y pipe and pipe is recommended. $1049 cdn.

High compression domes for race engines also availible. For mod or improved classes.

 

ECM FLASH TUNING - for HP performance gains and relaibility. $749 cdn. 

Independent dyno (Dynotech) proved stock axys 800 at 151 hp to 179+ hp with 860 kit, 11.5-1 compression on pump gas, Real HP.

Most powerful Polaris twin on pump gas at Dynotech! 12+ hp more then next bigbore in line.

 

-909 STROKER BIGBORE, 190.2 HP 122.7 ft lbs of torque! (single pipe & Y pipe 8300 rpm) WOW! Terra Alps big bore kit with our stroker crank modification $5695 cdn. or $4200 us approx. Send in crankshaft, cases, cylinder and exhaust valves complete.

Availible with stock appearing head for improver classes.

 

-840 STROKER,  Uses Terra Alps stroker crank modification, Option 1 - stock cylinder is ported and case porting, modify exhaust valves, comes with billet head and domes, piston kits, base gaskets, shim and HD cyl bolts. $4895 cdn. or $3450 us approx. 

Option 2 - Cylinder nikasil is stripped, cyl is welded and ported then replated (extra costs), case porting, modify exhaust valves, comes with billet head and domes, piston kits, base gaskets and shim and HD cyl bolts. $5695 cdn.or $4200 us approx.

 Send in your crankshaft, cases, cylinder and exhaust valves complete. We can supply engine parts if needed.

 

-800 cc PERFORMANCE IMPROVER KIT- Terra Alps pipe and Y pipe, piston kit with billet head (or stock head with inserts), cylinder and case porting and PCV fuel and ignition controller gain 25HP.  $3349.85     clutching extra and optional

 

-600cc PERFORMANCE KITS, 660cc big bore, 700cc big bore stroker, Trail, Mountain or All out Race ! call for more info.

 

-BILLET HEAD with interchangable domes for different riding conditions and engine set ups $799.95 cdn. or $580 us approx. Terra Alps billet heads have proper cooling turbulence and flow thru the head and cylinders for proper cooling and high hp engines. With our top of the line dome design to make the most power in the industry we strive to be the best.

Also including our highflow cooler running thermostat kit for additional $90 cdn or $65 us approx. with our billet head only.

Our billet head made 7+ hp gain over stock, a great custom combustion chamber dome design and proper coolant flow. 

up to 6 hp gain over other brands.

-Cheater heads also availible.

 

-PORTING for that extra HP everyone wants for trail blasting and hillclimbing and full out race engines.

 Only get the best in a full out port job not just a sanded cylinder which dont make any power.

 

-PISTON KIT, our top of the line kits using cast pistons for durabiliy and adding extra HP. $749.95 cdn.

Yes the new engines can still benefit from our piston kit. Better piston dimensions then the same old stock pistons, lasting longer and making more HP for longer periods of time.

Piston kit "standard" with billet head $1299.95 gain up to 10 hp.

Piston kit 280 with billet head $1299.95 (dynoed with pipe and Y pipe with PCV 170 hp! up to 20 hp gain.)

 

-Y PIPE high flow $399.95 cdn. Great for all applications, stock, bigbore, and turbos

 More airflow more HP. Not your avgerage Y pipe like others on the market.

 

-SINGLE PIPE  7-9 hp gain on top. Gaining HP in the mid range as well, not loosing mid range HP like other pipes on the market we tested.

Add a PCV controller and gain up to 15 hp, most powerful pipe on the market. $699 cdn.

 -SINGLE Pipe and Y pipe combo kit for high end engines, comes with seal, $1049 cdn. or $750 us approx.

 

-TWIN PIPES ! gain up to 20 hp on stock Axys 800. $2199.99 cdn

PCV fuel & Ignition or ECM flash needed! $749 cdn.

 

-PCV fuel and ignition controller, comes with maps $749.95 cdn.

 

-Clutching, gasket kits, vents, and accessories availble thru Terra Alps Racing.

 

-Email for questions and other pricing packages.