04/05/2026
Polaris 850/900 boost stock cheater heads. Improver classes.
Dont believe your buddy when he says its stock !
Snowmobile Performance, 2 stroke engines and exhaust, fabrication.
04/05/2026
Polaris 850/900 boost stock cheater heads. Improver classes.
Dont believe your buddy when he says its stock !
03/11/2026
Old school 440 fan cooled bored, (520 shhhh🤫) ported, heads machined with orings, set up for C12 race fuel.
Leaf spring racer.
03/10/2026
Injector flow test and cleaning.
Needs to be done with our efi sleds and all powersports toys.
Running out front
Heres what a proper built 900 bigbore fully ported Terra Alps engine can do with less boost , to others running 16+ lbs boost with C16.
12/05/2025
900r Boost , fully ported, the best head in the business and highflow Y pipe. Time to make some power.
On the snow with same clutching and tune burandt had in the sled. Owner added 4.5 grams to each weight and still revving 8500+ rpm. Thats big power 40+
Cat 858 with Terra Alps muffler and tune
11/09/2025
2026 Arctic cat 858 with Terra Alps muffler.
Great fit and finish, not loud.
09/21/2025
Busy summer lots of engine kits to build. Bigbores and full race engines.
Going thru them stripping nikasil, welding and cnc porting before hand porting.
Got a few engines in, done else where , non ported bored out cyls to get fully ported and built right.
08/11/2025
Congratulations to Lucas Axelsson racing watercross in Sweden on the weekend with Terra Alps Racing horse power !
Winning heat C and D open mod races.
Red Polaris Axys. 909 bigbore stroker...
07/03/2025
Looking for skidoo 850 23' newer cylinder and head cores. Can have some damage
Cyl #420 413 575
Head #420 413 295
Thanks,
05/24/2025
Polaris BOOST turbo fully ported, welded cylinder and cases, new nikasil, custom hone cylinder. Highflow y pipe.
Let her breathe and stretch her legs !
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