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UMI Performance 64-72 GM A-Body Rear Coilover Kit Control Arm Relocation Bolt In

SKU: UMI4057

UMI Coilover Kits...

UMI Performance 64-72 GM A-Body Rear Coilover Kit Control Arm Relocation Bolt In

SKU: UMI4057

UMI Coilover Kits...

A$599.69
Limited Availability from MFR Limited stock available from the manufacturer's distribution centre. The dispatch timeframe shown is an estimate based on historical orders of this part. This item is not held in our own warehouse, and availability and release timing may vary depending on manufacturer stock movements and processing at the time of ordering.

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Description

UMI Performance 64-72 GM A-Body Rear Coilover Kit Control Arm Relocation Bolt In

UMI’s bolt-in rear coilover kit allows full ride height, spring rate and damping adjustments, while trailing arm adjustment enables fine tuning of instant center. The reinforced upper mount is a direct bolt-in (requiring one additional hole to be drilled) and holds a true 2-1/2” racing coilover with double-shear mount. The FEA designed reinforced lower brackets bolt directly over the stock rear lower control arm mounts, utilizing the existing lower shock hole(s) (may requiring drilling of additional hole depending on factory configuration). The 2-hole trailing arm height adjustment enables fine tuning of instant center location for drag launch or auto-x/road race rear steer tuning. 100% designed, manufactured and raced out of Philipsburg, PA-USA and always US materials.

Data: v4.2 - Upd: 2026-11-08 13:47:08

Features

Images are supplied by the manufacturer and may be generic. While all efforts are made to provide accurate pictures, there may be differences in the actual product, such as colour, quantity, version, or included components. Please carefully review the description and specifications for details on inclusions or any variations. Some items may be sold individually or in sets, and images may occasionally depict additional products or quantities not included in your purchase. For assistance or clarification, please contact customer support.

Specifications

Product Downloads

# Document Type Download
1. Installation Instructions

Installation guides, warranty details, and other supporting documents are provided by the supplier. In some cases, these files may originate from regions outside your locale, meaning instructions, warranty procedures, and images may not fully align with your specific vehicle or region (e.g., LHD vs. RHD differences, return policies, etc.). If you need clarification, please contact a StreetFX support agent.

Data: v2 - Desc: v4.2 - Upd: 2026-11-08 09:48:15

Reference Information

Reference Data (Provide these details to our support team)
Brand Name/s Umi Performance
StreetFX SKU umi4057
SFX Item ID 4155475
Accounting SKU umi-4057
Manufacturer SKU 4057
Manufacturer UPC 4057

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