In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging from 8.6,9.2,10.5 or 11.5 to 1 depending on whether or not you are going forced induction or keeping it all motor.

In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging from 8.6,9.2,10.5 or 11.5 to 1 depending on whether or not you are going forced induction or keeping it all motor.

Now you can have a dyno proven 476 horsepower at the wheels out of your 350Z/G35 on a completely stock motor! Imagine 571 horsepower at the crank?

In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging from 8.6,9.2,10.5 or 11.5 to 1 depending on whether or not you are going forced induction or keeping it all motor.

These engines are capable of withstanding 1000+WHP.Now you can buy a professionally assembled, balanced and bluprinted, Darton MID sleeved short block with Arias pistons and Pauter rods that is capable of handling in excess of 1000WHP!

These engines are capable of withstanding 1000+WHP.Now you can buy a professionally assembled, balanced and bluprinted, Darton MID sleeved short block with Arias pistons and Pauter rods that is capable of handling in excess of 1000WHP!

These engines are capable of withstanding 1000+WHP.Now you can buy a professionally assembled, balanced and bluprinted, Darton MID sleeved short block with Arias pistons and Pauter rods that is capable of handling in excess of 1000WHP!

This is our single turbo system for the Infiniti G35.We wanted the ability to make horsepower so we decided to use a full sized T4 turbo. A Precision T67 turbo with a T4 exhaust housing was chosen to handle the duties of compressing the air.

This is the tuner version of our twin-turbo system for the G35.It comes with everything you need to bolt on this turbo system.It does not come with engine management,injectors or fuel system upgrades.

This is our single turbo system for the Infiniti G35.We wanted the ability to make horsepower so we decided to use a full sized T4 turbo. A Precision T67 turbo with a T4 exhaust housing was chosen to handle the duties of compressing the air.

Speed Force Racing is now offering a single turbo system for the 2008-2010 Nissan Altima Coupe with the CVT(Continuously Variable Transmission) or six speed transmission.This system bumps up the power level to 320WHP(CVT) or 400WHP(Six speed)! This is about 400-480 horsepower as measured at the flywheel.

If 300 WHP is not enough for you then step up to the SFR stage 2 single turbo system for the Nissan Altima.This system bumps up the power level to 374WHP! This is about 450horsepower as measured at the flywheel.

Speed Force Racing can take your stock VQ35 Maxima and turn it into a tire smoking, turbocharged and intercooled, 315WHP sports sedan. Your car can not only keep up but even beat, many of the sports cars on the road today.

Speed Force Racing can take your stock VQ35 Altima and turn it into a tire smoking, turbocharged and intercooled,300WHP sports sedan, that can not only keep up but even beat, many of the sports cars on the road today

In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging from 8.6,9.2,10.5 or 11.5 to 1 depending on whether or not you are going forced induction or keeping it all motor.

In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging from 8.6,9.2,10.5 or 11.5 to 1 depending on whether or not you are going forced induction or keeping it all motor.

In order to run safely past 400-450WHP, an upgraded bottom-end with forged internals is a must.You get your choice of compression ratios ranging from 8.6,9.2,10.5 or 11.5 to 1 depending on whether or not you are going forced induction or keeping it all motor.

Speed Force Racing is now offering a single turbo system for the 2002-2009 Nissan Altima Sedan with the 2.5L QR25 engine.This system bumps up the power level to 295WHP! This is about 345 horsepower as measured at the flywheel.

Speed Force Racing is now offering a single turbo system for the 2002-2006 Nissan Sentra Spec-V with the 2.5L QR25 engine.This system bumps up the power level to 295WHP! This is about 345 horsepower as measured at the flywheel.