ARP L19 headstus for the VQ35 are the best studs available without expensive machine work required for using even larger diameter studs.

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

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.

Getting the air into the motor is easy.Getting it out is even easier with the Speed Force Racing exhaust system.We offer a Y-pipe back exhaust featuring twin Borla,Magnaflow or Burns mufflers.

SFR also offers an affordable 3" single exhaust.This is a 3" system that starts off at the Y-pipe and exits out the left side of the rear bumper.It is perfect for single turbo systems.

If you want to get the most out of your 350z/G35 then you will need these cat replacement pipes.They are mandrel bent and TIG welded.They utilize 3/8" flanges and have the appropriate O2 sensor bungs.

Now you have many options if you are in the market for a dual exhaust system.We developed a way to offer all of our free-flowing exhausts stemes with a variety of muffler options.

Speed Force Racing is now offering dual 2.5" and 3" exhaust systems for the 350Z and G35.These systems are made out of 2.5" or 3" mandrel bent 304 grade stainless steel.

These bolt-on headers for your G35/350z are the last component in the exhaust system that must be addressed.We have seen as much as 15 horsepower at the wheels with these bad boys.Ask us about these in 321SS!

This is the SFR version of the high-flowing y-pipe for the G35/350Z. It utilizes a special slip-fit merge collector which has been proven to increase flow and velocity which translates into horsepower and torque whether you have an N/a car or and FI car.

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.

Speed Force Racing can take your stock automatic transmission that is barely capable of withstanding 400WHP and turn into an incredible transmission that can withstand 750WHP!

Another benefit of our turbocharger system is the headers.We use specially designed 304 stainless steel equal length exhaust manifolds.

There are no reducer hoses and multiple parts and pieces to deal with.We also developed a cold air intake for N/A cars.It is a 3" aluminum intake pipe which has the mass-air sensor built right in.

In our pursuit for perfection, we quickly realized the the intake manifold on the VQ35 motor was not ideal for maximizing power.It comes in multiple pieces and is very restrictive.

This is a complete package which comes with everything needed to bolt the SFR twin throttlebody, twin plenum intake manifold onto your 350Z or G35.We provide you with the plenum,extra throttlebody,Coolant/power steerring/oil catch can, throttlebody driver box and harness and second OEM throttlebody as well as the vanity cover to help clean up the engine even further.

Speed Force Racing is proud to offer the Haltech Platinum series Plug and Play EMS for the 2003-06 Nissan 350z and Infiniti G35. This is the EMS system that you want to tune your G35 or 350Z with.With the ability to accept dual wide-bands and exceptional control of the engine, you cant go wrong. 

S2 CAM SET FOR VQ35DE & VQ40DE. JWT S2 BILLET CAMS ADD 15+HP WHILE MAINTAINING EXCELLENT DRIVABILITY AND IDLE QUALITY

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?