Price: 1,399.99 USD
USED: UMI 305756-3-B 78-88 G-Body Competition Upper & Lower A-Arms for Coilovers
- Customer returned used, clearanced and scratched as shown in photos.
- Coilover shocks and springs not included
- UMI offers coilover suggestions based on your application, as well as alignment recommendations
- This a-arm kit enables 10 degrees caster while maintaining standard track width and wheelbase
- The lower shock mount is removable to allow spring/shock changes at the track
- The tall lower ball joint optimizes roll center, camber gain, center of gravity and lowers ride height by ½”
- Delrin bushings help the lower a-arm to travel smoothly for bind-free operation
- The lower a-arm works in conjunction with UMI’s popular 3056-3 adjustable upper arm which features minimal shim adjustability, 1” taller-than-stock ball joints and super smooth rod ends
- Also included on the lower a-arm is a double shear sway bar mounting system which accepts UMI sway bars and many other manufacturers stock location aftermarket units
- An aluminum steering stop is adjustable and limits steering lock to prevent tire and wheel damage
- 100% designed, manufactured and raced with pride in the USA
- Battle tested on the iconic UMI Green Machine
- Performance note: UMI recommends adding the P/N 3060 bump steer kit for optimal performance, not included, sold separately
- Performance a-arm kit is a direct bolt-in for 1978-1988 GM G-body
- Adjustable upper a-arm uses rod ends for easy alignment
- Total of 10 degrees caster potential while maintaining spindle pin location
- Upper ball joint moved rearward to add 5-6 degrees caster potential
- Lower ball joint relocated forward to increase caster 4-5 degrees which improves steering feel and straight line stability
- Rod ends feature superior friction reduction for quick response
- UMI built Delrin bushings improve steering response and reduce deflection
- Taller upper ball joints to improve camber gain, optimize roll center and improve traction during cornering
- Upper and lower a-arms built from USA Made DOM steel tubing
- Removable double shear mount to allow spring/shock replacement without removing spindle
- Mount spacing suitable for Afco, Viking, Ridetech and many other aftermarket manufacturers shock/spring combos
- Adjustable steering stop
- Double shear swivel sway bar mounts and hardware work with UMI P/N 3035 and most other factory eyelet style sway bars, not included, sold separately
- Designed, tested, manufactured and raced in Philipsburg, PA-USA
- The 305756 kit cannot be used with standard size coil springs and stock mount shocks
Purchase Details:
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- Sales tax is collected for most states, please review your total purchase amount before committing to buy
- International buyers pay import duties / customs fees
My name is Chris and I sell on eBay using the golden rule: treat others as I’d want to be treated (and it’s worked so far: look at my feedback since 1999 on eBay). I’m happy to answer any questions. I want each transaction to go smoothly!
Item specifics
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Condition
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UsedAn item that has been used previously. The item may have some signs of cosmetic wear, but is fully operational and functions as intended. This item may be a floor model or store return that has been used. See the seller’s listing for full details and description of any imperfections. See all condition definitionsopens in a new window or tab
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Seller Notes
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“Customer returned used, please see photos.”
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Brand
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UMI Performance
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Type
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Control Arms
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Manufacturer Part Number
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305756-3-B
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Material
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Steel
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Performance Part
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Yes