Terra Alps Racing Inc

Real fully ported bigbores! Putting in lots of hours of welding , boring, porting, maching then testing to build the best engine kits possible. Polaris 850-929 bigbore. Not just a bored out and sanded stock engine!

So busy lately no time to post good stuff. So heres some good stuff. 2020 Polaris 850 stock with Pipe and muffler 11 hp gain on our dyno.... 149.7 to 160.7 Over 100 dyno runs past 10 days. Lots of testing, combinations of many kinds, different mufflers, heads, even a stage 2 kit no better then stock... More to come, performance packages, 929 bigbore ...

BURNOUTS in front of the Dawsonville Pool Room for Chase Elliott and the Hendrick Motorsports No. 9 team! (Via Hendrick Motorsports)

Chase Elliot 2020 nascar champ cruising thru his home town.

Got compression? Ya we're full race.

2020 Polaris AXYS 800 billet head. Terra Alps Racing Made slight changes to cooling flow always willing to keep upgrading and shaved some weight. This head works with all the engine kits built for the Axys 800. 800 improvers... 840 stroker 860 bigbore 909 big bigbore stroker See more

Time to let aluminum fly! Some slight changes for the 2020 heads and new domes to test on the dyno soon.

Back up and running, had a build up of cache, and comments over past 10 years. Website is having technical issues with host. So of you need to contact us for info and parts email [email protected] Thanks,