Silvers Neomax 2 Way Adjustable Nissan 350Z (Z33) 2003~2009


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Silver’s NEOMAX 2-Way are the ultimate performance coilover featuring both rebound and compression dampening adjustment as well as large capacity external reservoirs. The Silver’s 2-Way coilovers are a monotube shock, independently height adjustable and come with an 15-month warranty. The NEOMAX 2-Way are assembled to order to your specifications including spring rates and valving at no extra charge. Simply leave a note in the shipping instructions for your order and tell us what specifications you require and/or what application the car is being used for (street/track/drift etc.) and they will be built to meet your demands. Please allow 7 days for assembly plus shipping.

Independently adjustable

Our race proven NEOMAX 2-Way kits offer 40 clicks of independent rebound via the top of the shock and 24 clicks of compression adjustment via the external reservoir. Being able to adjust rebound and compression independently allows you to fine tune your vehicle over harsh bumps that may be unsettling the car, but you can also fine tune the dive and pitch of the car to help improve turn-in and exiting behavior on the track.

Large External reservoir

Our 2-Way kits use large extrenal reservoirs, which allow for higher oil capacity which aids in cooling and keeps the shock performing at hig ambient temperatures while being put through the paces on track. The large reservoirs also allow for a higher volume of nitrogen which in turn requires less overall pressure for the shock to perform as it should. This helps with extended stroke situations such as rumble strips or sudden drops with a tire dropping off track.

Adjustable Camber Plates

Our camber plates are made from T6 6061 Aluminum and are protected by an anodized finish. For NEOMAX 2-Way they come standard on the front and rear of any McPherson style strut application and are designed to offer up to 3 degree’s of camber adjustment at any ride height to dial in your aligment.

Pillowball Top Mounts

Our pillowball mounts are comprised of two main parts: A SUJ2 Steel bearing, and a Chromoly Steel 2 piece case. Pillowball mounts  provide bind free operation and precise feedback to the driver.

Carbon steel shock body

Our shock bodies are made from ultra high strength JIS G3445-STKM13C (DIN2393-ST44-2) carbon steel and are electroless nickel plated for resistence to corrosion and fatigue in harsh climates.

Linear piston design

We use a 44mm Linear type piston in our shocks. This style piston gives both excellent track benefits as well as maintains ride quality. Every single shock is handle assembled, and dyno tested to insure dampening and compression valving is within 5% variation from side to side. There is no random inspection or tests, every single shock is dyno tested. In the event the shock fails, the internals are discarded and it goes back to the assembly room.

Large Hardened Steel shafts

We use the largest diameter necessary hardened steel with chrome plating for our piston shafts. With extensive research and development we have the perfect material and diameter needed to have the proper strength necessary to retain lateral rigidity and not bend or bind under heavy loads, which leads to pre-mature wear and lowering piston travel. Making it the perfect combination of strength and weight savings.

Unique Locking Collars

Our locking collars have a specific unique design compared to the other brands on the market. They perform the same as any other locking collar, though with the lower spring perch having dimples instead of slots you do not have to worry about the top spanner wrench slipping and sliding up or down the perch when making necessary adjustments. This make adjusting the preload much less of a balancing act, leading to quicker and easier installation.

Radial bearings

Made from T6 6061 Aluminum using the best Koyo Japan bearings our Radial Bearing upper perch (McPherson applications only) allows the springs to twist freely as they are compressed. As a spring compresses it may twist slightly which can produce a small noise as if the springs are binding. The same noise also occurs on mcpherson applications when the wheel is turned and the spring binds. Radial bearing upper perches will allow the piston shaft and tophat to rotate seperately from the spring and shock body allowing for a smotther and quieter rotation.


  • 40 levels (rebound) x 24 levels (compression) of dampening adjustability.
  • IP F.A. 20W damper oil.
  • Mono-tube shock design
  • JIS G3445-STKM13C (DIN2393-ST44-2) carbon steel 52mm diaseamless tube
  • 44mm linear characteristic internal piston
  • Cold-bent springs made from high strength SAE9252 steel.
  • Lower bracket height adjustability prevent the need to adjust the spring perch, offering the maximum shock-absorbing travel.
  • Powder painted steel lower bracket can match all design of brake line and ABS line holder, easy for intalling.