Triples, Race & custom builds, Porting & Bigbores

-2 stroke specialists designing and building the best race winning engines 

-Proper port shapes, angles, velocity thru the cylinders, and custom head designs have Terra Alps Racing engines at the top.

-Storm triples, 750, 800, 930 big bore strokers, Ultra custom builds, XCR 800 triples and bigbore strokers. Complete engine work and builds.

Call or email for your custom build

-Polaris 2000-2005'   800+ twins & 1200+ WATER CRAFT TRIPLES

Porting packages with todays tech.

Custom cast pistons with better crown, more HP gains with more extensive custom porting

Case porting and epoxy work. 

Custom head with proper cooling dynamics, and combustion chambers. $1500

Separate domes with the best combustion chambers and cooling dynamics to replace other triple heads. $240 each

12-1 pump gas domes low elevation to high elevation domes. High compression race domes available.

Dont get caught running with poor head designs from machine shops not being 2 stroke specialists.

Performance packages and race engine builds

Also Supply custom base gaskets

-All in house machining, welding, bore, hone, port, sleeve, supply pistons and rebuild / repair all engines and big bores from others. Fix up poor engine builds.

-We also have billet cheater heads so your riding buddies don't know whats under the hood! Better dome design with high elevation domes as well. $700 and up

-Engine plates

-CDI reprogramming, We have designed a timing curve that makes your twin pipes feel like twin pipes are supposed to. Includes special low elevation switch for higher compression motors when running up the trail getting to the alpine country.  Some not available anymore, call for more info.

-Custom ignition systems, call or email for info