Brian Crower VQ35HR and VQ37HR Stroker Kits

• BC 4340 billet steel crank (86.4mm stroke for VQ35HR and 92mm stroke for VQ37HR). Avail. balanced or self-balanced.
• BC 4340 Pro Series steel billet connecting rods w/ARP 220,000 psi fasteners.
• CP aluminum forged pistons (any bore size, any compression ratio).
• 9310 nickel carbon steel alloy wrist pins available as a standard feature.
• Ductile iron plasma top rings, tapered second ring, low tension oil rings.
• 86.4mm and 92mm stroke req. block clearancing & removing piston squirters. Plugs incl.
• Kits are available fully balanced ready to install or unbalanced.
• ACL Race Bearings sold seperately.
• VQ35HR Kit available up to 4.1 liters with 100mm bore (86.4mm stroke)
• VQ37HR Kit available up to 4.3 liters with 100mm bore (92mm stroke)

Please Contact Us for Pricing and Availability!

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2007-2008 350Z Radiator Cooling Panels Now Available!

This is our latest product – the aluminum cooling panel (aka radiator shroud) for the 2007-2008 350Z’s. These are all made here in the US of T6061 aluminum, and powdercoated locally as well to ensure the finish stays, and lasts. Since the radiator core supports are different between the 2003-2006 and 2007-2008 cars, we had to create a new part that would fit properly. Many manufacturers out there have inaccurately said theirs fit all year cars, and it’s simply not the case. While the HR was only around for 2 model years, and is not as popular as the previous DE engines, we felt it deserved some of it’s own attention.

Some highlights of this product:

– Installation literally takes a few minutes. Simply use a small flat head screwdriver to remove the clips are the front of the bumper, slip the cooling panel in place, and reattach the clips. Nothing needs to be trimmed, cut, modified, or altered in any way.

– Will work with any intake, stock or aftermarket.

– Fully powdercoated on both sides to ensure a durable, brilliant finish

– Funtion or form? A little of both, but it’s mainly form. The theory behind the function side is that by covering the open area between the radiator core and the bumper, you are forcing more air through the radiator. This is true to an extent, but the primary function of this piece is to tidy up the engine bay, and help disguise the bulky hood release area.

We have 30 pieces in stock now, and will be ready to ship next week (they are all being coated as we speak).

Pricing for the initial batch (your choice of flat black, or gloss silver) will be $129 shipped in the 48 states. For anyone located outside of the 48 states, simply contact us with your complete shipping address (not just a postal code, or country please!) to z1sales@z1auto.com, or via PM and we can let you know the cost. To order, you can just give us a call at (631)863-3820, or send paypal to z1sales@z1auto.com. Or, just Click Here. Please include your shipping address, telephone #, my350Z screen name in the paypal payment so we know who you are and we send the correct color.

Any questions, let us know

New Koyo Applications: 2008 + Evo X, 2007 + 350Z, 2003 + G35

These are now ready to go!

Koyo’s new radiators for the Evo X, 2007 + 350Z and 2003 + G35 feature full aluminum construction (so no crappy plastic endtanks like the OEM’s use!) and their tube and fin cores are extremely efficient. Contact us for yours, as they are ready to go!

Fidanza VQ35/37HR Flywheel

Fidanza has released a Nissan VQ35/37HR motor aluminum flywheel. This unit weighs 15 pounds and fits the 07-08 350z, 09+ 370z, 2007 G35 Sedan, and the 08+ G37. These will be available in the next 3-4 weeks.
Application: 07-08 Nissan 350z 3.5L, 2009+ Nissan 370z 3.7L, 2007 Infinity G35 Sedan 3.5L, 2008+ Infinity G37 Coupe, Sedan, Roadster 3.7L (HR Motor Only)
Product: Aluminum Flywheel
Weight: 15 lbs
Part #: 143371

Available September 16th, 2009

ACT Releases 07-08 350Z & G35 VQ35HR Clutch Kits

ACT has released three 07-08 350z / G35 clutch kits to be available by the middle of September. For the VQ35HR ACT designed three clutches all with Heavy Duty (HD) pressure plates and three different disc options: Street Performance (SS), Sprung 6 Puck (G6), and Race 6 Puck (R6).

Product: ACT Street Clutch Kit 
Part #: NZ2-HDSS 
MSRP: $874.07
Torque Capacity: 435 ft/lbs 
Clamp Load: 52% 

Product: ACT 6 Puck Street/Race Clutch Kit 
Part #: NZ2-HDG6
MSRP: $819.54
Torque Capacity: 550 ft/lbs 
Clamp Load: 52% 

Product: ACT 6 Puck Race Clutch Kit 
Part #: NZ2-HDR6
MSRP: $779.96
Torque Capacity: 550 ft/lbs 
Clamp Load: 52% 



Available September 15th, 2009

New ATS Clutches for 2007 + 350Z and 2009 +370Z/G37

When Nissan implemented the VQ35HR engine on the 350Z, they did away with the older slave cylinder setup, and employed a CSC (concentrical slave cylinder) inside the bellhousing. As many have found out, this piece has proven problematic, and prone to breaking. That means dropping the transmission, replacing it with a new one (hundreds of dollars each time) and keeping your fingers crossed. With an aftermarket clutch, the problem only seems to be maginified.

ATS has come up with their multi disk clutch setups that completely does away with the CSC! These are offered in several configurations, ranging from a twin metal disk version that reuses the stock dual mass flywheel, to a triple disk carbon that includes an integrated lightweight flywheel.

These come with your choice of an 1100 kg pressure plate, or 1350 kg pressure plate depending upon your torque requirements. A reinforced NISMO slave cylinder is also offered as an option.

Click Here for Info, or to order