Asphalt Rally Spec AR seriesMPN CIN020-AR

Special order · Estimated lead time: typically 2-3 weeks

08-13 Infiniti G37 - Asphalt Rally Spec AR Coilovers

MSRP$2,090.00Sale price$1,776.50Available to order
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36-way dampingAdjustable lower mountRebuildable14 / 8.7 kg/mm
What's included
  • Four assembled coilovers, sprung and valved for this application
  • Upper mounts (pillowball with camber adjustment on MacPherson-strut fronts)
  • Damping adjustment knobs and spanner wrenches
  • Front and rear springs rated 14 kg/mm front and 8.7 kg/mm rear

One approved application: 2008–2013 Infiniti G37 · V36 · Coupe, Sedan RWD, · Excludes Convertible

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● Available to order — typically ships in 2–3 weeks. Estimated availability: November 17, 2026. Please allow this time for assembly, preparation and packaging. Shipping transit time is additional.
Specifications — CIN020-AR
One approved application2008–2013 Infiniti G37
SeriesAsphalt Rally Spec AR
Part numberCIN020-AR
UPC840059413556
Damping36 levels of adjustment, one knob per damper
Ride heightAdjustable lower mount keeps full shock travel while lowering (spring perch where the application has no lower mount)
Asphalt Rally (AR)Extended stroke · inverted 55 mm shock on MacPherson apps
Gravel Rally (GR)Lengthened stroke · 250–270 mm springs · steel mounts
Spring ratesFront 14 kg/mm · rear 8.7 kg/mm
Application notesTrue Rear Coilover

Product details

The 2008 to 2013 Infiniti G37 is a rear-drive coupe and sedan platform, and the Asphalt Rally Spec AR kit is listed for the V36 Coupe and Sedan RWD, excluding the convertible. Springs are rated 14 kg/mm in front and 8.7 kg/mm in the rear, and the page flags a true rear coilover.

AR hardware centers on stroke and heat. Extended stroke gives the damper room to work, the AR line uses an inverted 55 mm shock on MacPherson applications, and strengthened steel lower mounts are standard. Moving the gas and oil chamber away from the knuckle and brakes reduces heat transfer and unsprung weight. One knob per damper controls 36 levels, adjusting compression and rebound together.

A box of four assembled coilovers, upper mounts, damping knobs and spanner wrenches is what you receive. Use the adjustable lower mount for ride height, lock collars with both wrenches and arrange a professional alignment. The compatibility list is long and includes the 2007 to 2008 G35 sedan (excluding AWD), the 2014 to 2015 Q60 coupe RWD, the 2008 to 2013 G25, and the Nissan 370z. Check the year, make and model checker for the exact fit.

Supported features
Extended Shock Stroke & Springs

Gravel Rally springs range from 250 mm to 270 mm with extended cylinder length and piston stroke, greatly improving handling over uneven and bumpy roads. Height range varies per vehicle and does not exceed OE ride height.

Inverted Steel Shock Absorber

Asphalt Rally uses inverted shocks on many MacPherson applications, moving the gas/oil chamber away from the knuckle and brakes to reduce heat transfer and unsprung weight.

Heavy-Duty Steel Mounts

Strengthened steel lower mounts are standard on MacPherson applications; Gravel Rally adds heavy-duty steel upper mounts on most applications. Wishbone and multi-link applications use the standard aluminum mounts.

Hardened Rubber Pillowball

Gravel Rally kits use unique hardened-rubber pillowball top mounts on MacPherson applications to absorb repeated impacts from loose surfaces.

36-Way Adjustable Damping

Simultaneous compression and rebound adjustment across 36 levels, with carefully selected per-application spring rates and damping to stabilize the car over uneven roads.

Large 55 mm Shock Bodies

Inverted applications use 55 mm bodies for added oil capacity and cooling under sustained stage loads.

Compatible applications (10)
2008–2013Infiniti G37 · Chassis: V36 · Application detail: Coupe, Sedan RWD, · Excludes Convertible
2007–2008Infiniti G35 · Chassis: V36 · Application detail: Sedan · Excludes AWD
2014–2015Infiniti Q60 · Coupe RWD
2011–2012Infiniti Q60
2008–2013Infiniti G25 · Chassis: V36 · Application detail: Coupe, Sedan RWD, · Excludes Convertible
2009–2018Nissan 370z
2020–2020Nissan 370z · Chassis: Z34 · excludes roadster · Excludes roadster
2014–2015Infiniti Q40 · Sedan RWD
2008–2009Infiniti Q60
2019–2019Nissan 370z · Chassis: Z34 · excludes roadster · Excludes roadster
Installation

Set ride height with the adjustable lower mount where the application has one; use the spring perch only where the application-specific layout has no adjustable lower mount. Lock every collar with both spanner wrenches. Start damping 18 clicks counterclockwise from full stiff and adjust from there. Professional setup and alignment are required after installation; on MacPherson fronts, establish baseline camber at the elongated lower-mount hole before fine adjustment at the upper plate.

Coilover setup, height and damping guides
Warranty & service

12-month limited warranty to the original purchaser against defects in materials and workmanship. Racing use, exterior finish and improperly installed or modified parts are not covered; keep your original invoice for any claim. KSport coilovers are rebuildable; replacement shocks, springs, mounts and hardware are sold individually.

Warranty terms and service requests
Other published pages for MPN CIN020-AR

These page names share this MPN; they do not confirm fitment. Verify your vehicle before ordering.

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