Suspension and Components› Rear Suspension Components
ISR Performance
ISR Performance Pro Series Rear Upper Control Arm - 89-98 Nissan 240sx S13/S14
SKU: I00Z IS-RUCA-NS134-PRO
Moderate — 2–4 hours
Description
These control arms feature larger Japanese spherical rod bearings with dust boots integrated into the misalignment spacers to protect the bearings from dirt and debris. The arms themselves are constructed with thicker materials and added bracing for increased durability, making them suitable for track duty and competition vehicles.
Fitment
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Specifications
| Brand | ISR Performance |
| Part Number | I00Z IS-RUCA-NS134-PRO |
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Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.
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