Cayman/ S/Boxster/ S 981 (2012- 2017) JRZ 12 series MS12 001 981 01 01

Your Price: $10,895.00
Part Number: 4477
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12 SERIES
JRZ Topmounts
TRIPLE ADJUSTABLE
Rebound adjustment independent from compression
Fully useable adjustment range
Fine yet noticeable change per click
10 clicks low speed compression
19 clicks high speed compression
24 clicks rebound
High volume canister
Adjustable gas pressure
22 mm shaft
Highest flow rate to piston
Lightest construction
Ideal for lighter applications and aluminium body dampers
The classic JRZ design

JRZ 12 SERIES MOTORSPORT DAMPER
JRZ Suspension Engineering is proud to offer the 12 series; triple adjustable motorsport damper. The JRZ 12 series is an expansion of our damping philosophy, which is to control the unsprung mass. Added from the 11 series is the low speed compression adjustment, allowing pitch, roll, and balance to be tuned.

MOTORSPORT TRIPLE ADJUSTABLE DAMPER
Compression and rebound independently adjustable. Rebound adjusted by orifices on the piston rod with check valve so there is no cross talk between the rebound adjustments and compression forces. Compression adjusted by blow off valve in the canister.

COMPRESSION
Control of the unsprung mass is achieved with our blow off valve. Steering balance and weight transfer rates are tuned with the low speed adjustment. The high speed compression adjustment sets the blow off velocity of the damper, allowing for harshness to be separated from control. Blow off damping settles the car on bumps, curbs, and maximizes grip. Low speed sets the speed at which the blow off valve opens allowing for fine tuning of balance and adjusting for surface conditions. 

REBOUND
Sprung mass is controlled with rebound damping, delivered smoothly by the 8060 motorsport piston. The 12 series rebound system and 8060 piston provides a linear damping characteristic with smooth pressure development independent of compression forces. This allows the damper to transition between rebound and compression efficiently, maximizing grip and reducing tire wear.

CONTROL OF UNSPRUNG MASS
Control is achieved by using compression damping controlling the movement of the unsprung mass. By doing this the car will take kerb stones or road bumps extremely well and the car will not be unsettled with great control for the driver.

MINIMIZED TIRE WEAR
Using compression damping to control the unsprung mass will result in less tire wear and better tire temps. The unsprung mass will move according the tire’s natural frequency. Using the compression damping the contact patch of the tire to the road will be maximized.

LARGE ADJUSTABLE RANGE
Damping is available over a large adjustment range with fine tuning increments. Set up is easy to find and spring rates can be changed without having to revalve the damper.

ADJUSTABLE GAS PRESSURE
The combination of the 22 mm shaft and the use of nitrogen pressure results in a lifting force created by the damper. This lifting force is available through the whole stroke of the damper and works together with the spring, The lifting force is not a spring rate, but gives the car platform.

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