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Takegawa 178cc scut kit and +R Takegawa/Trail bikes Top end combo
Our Price: $925.00
Our Price: $829.99
Go from 150cc to 187cc, Easy instalation For a limited time we are offering the TB 165 big bore kit with Takegawa  +R Super head  as a  complete kit for your GPX 150 engines.
Takegawa +R Super Head GPX moto 160cc Crate Engine
Our Price: $739.99
Our Price: $620.00
Easiest power available. Let the Takegawa +R super head transform your engine KLX engine or GPX 150 into a fire breathing monster.

Kit includes everyone in the picture shown above.
This engine is as powerful as they get!
GPX moto 150cc Crate Engine Lifan 150cc Engine
Our Price: $580.00
Our Price: $579.95
Bolt it into you CRF 50 or 70! 150cc at a great price.
GPX moto 125cc Crate Engine GPX Moto 90cc Semi Auto e-start Engine
Our Price: $395.00
Our Price: $349.00
Sale Price: $289.00
You Save $60.00
YX 90cc Engine
Complete bolt on motor kit, includes motor, carb, cdi, coil. The GPX 90cc was designed to with rider in mind. The electric start makes the 4 speed semi auto engine an excellent choice for younger riders to start there bikes but still packs alot of torque for a full size adult.
TB Race Head V2 TB 165 Big Bore Kit for GPX 150x
Our Price: $219.00
Our Price: $194.95
This new high output race head from Honda Trail Bikes is roller rocker arms to help flow and increase power all over. 165 Big Bore Kit Built special for GPX 150 (KLX type head).  A 63mm KLX cylinder and pistons have been machined so no case boring or other modifications necessary bolt on and go! Add an FMF 4.1 with this kit and pick a few extra horsepower.

Kit includes all top end gaskets necessary as well as cylinder, piston and rings.
GPX 150/160 Gear stacks 53mm GPX/YX 150 crank
Our Price: $99.99
Our Price: $99.99
Sale Price: $85.00
You Save $14.99
Replacement crank for your GPX/YX 150cc motors.
Carbon Fiber Ignition Cover Shift Drum
Our Price: $99.95
Sale Price: $85.00
You Save $14.95
Our Price: $79.95
Shave some weight off  any honda 50 style motor with a Carbon Fiber Ignition Cover. Available with Pitster Pro logo, GPX Logo or Plain
Start Assembly 150 and 140 GPX 140 Engine Case
Our Price: $75.00
Our Price: $75.00
Need a new engine case? Pick one up today so you can get your machine rolling.
Left engine case 125 and 140 Trail bikes Race Cam
Our Price: $75.00
Our Price: $64.99
This left side case will fit GPX 125/140, Jailing 125, and YX 125/140 Unleash the power in your GPX 140x motor or Lifan Big Valve Head with a Trail bikes race cam. The cam provides easy bolt on power with its aggressive lift and duration without sacrificing low end torque.
60mm Piston and Rings Ignition Cover
Our Price: $55.00
Sale Price: $50.00
You Save $5.00
Our Price: $49.99
60mm replacement piston and rings for your GPX 150 or 160. Keep your bike looking good and running strong by keeping dirt and debris off your ignition.
HD Alloy Skid Plate Forger Kick Start
Our Price: $49.95
Our Price: $49.50
Alloy HD skid plates for your 125, 140, 150 or 160 GPX Engines. Skid fits most CRF style engines. Our new forged kick starter adds strength for those high compression engines.
Billet Oil Cooler Clutch Disk Pack
Our Price: $35.00
Sale Price: $32.50
You Save $2.50
Our Price: $44.95
Sale Price: $30.00
You Save $14.95
Will fit GPX motors (can be used with 150 and 160 but new lines are required), lifan, jailing and most other import motors. Complete clutch disk pack comes with 4 clutch disks.
   
 
Our goal at factorypowerhouse.com is to provide you with a affordable pit bike engine.  We want to keep you on the track and on the podium.  If your motor has crashed and you need a new one check out our inventory of complete pit bike engines, or if you like to work on your own pit bike the check out our parts and accessories. If you are looking for a engine hop up kit to add a little power to your pit bike then check out our kits and hop up section of our web site.   Maybe you just want a new more powerful pit bike engine or you just need some components.  What ever you need we can get it for you at a fair price.  call for best pricing.