1968-1974 GM X-Body › A-Arms|1967-1969 GM F-Body › A-Arms › 2753-1 – GM Classic F/X-Body Tubular A-Arms, Upper, 1/2″ Taller Ball Joints

2753-1 – GM Classic F/X-Body Tubular A-Arms, Upper, 1/2″ Taller Ball Joints

UMI Performance
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2753-1 - GM Classic F/X-Body Tubular A-Arms, Upper, 1/2" Taller Ball Joints - Image 3
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      Installation Instructions
      Tubular Front Suspension Upgrade

      2753-1 – GM Classic F/X-Body Tubular A-Arms, Upper, 1/2″ Taller Ball Joints

      Improve your camber curve and add positive caster on lowered classic F-Body and X-Body cars. Features 1/2-inch taller ball joints and Delrin bushings for race-level steering.

      1/2-Inch Taller Ball Joints Caster + Camber Correction 1.25-Inch DOM Tubing Fluted Delrin Bushings 100% USA-Made
      ✓
      1/2-inch taller ball joints dramatically improve the factory camber curve for a flatter contact patch
      ✓
      Relocated ball joint pad adds positive caster natively without requiring excess alignment shims
      ✓
      Greaseable Delrin bushings eliminate suspension deflection for direct, predictable steering response
      ✓
      Adjustable cross shaft orientation allows fast tuning for positive or negative baseline camber

      Description

      What it solves

      Give your classic muscle car the aggressive front suspension geometry it needs with UMI’s 2753-1 Tall Ball Joint Tubular Upper A-Arms. Built from high-strength 1.25-inch .120 wall DOM tubing, these arms feature pre-installed 1/2-inch taller ball joints to improve your camber curve and keep the tire contact patch flat. A relocated ball joint pad adds positive caster, delivering a direct, predictable steering feel. UMI-built CNC-machined Delrin bushings eliminate deflection alongside zinc-plated 4140 chromoly cross shafts.

      Designed for 1967–1969 F-Body and 1968–1974 X-Body platforms, the 2753-1 kit is a direct bolt-in upgrade compatible with factory or aftermarket lower A-arms and spindles. It perfectly complements lowered ride heights up to 2 inches while maintaining proper alignment specs. Engineered, track-tested, and manufactured 100% in the USA at UMI’s Pennsylvania facility, these powder-coated arms are built to handle serious street and track abuse.

      Product Features

      Key details
      ✓
      Pre-installed 1/2" taller premium ball joints
      ✓
      Relocated ball joint pad for increased positive caster
      ✓
      Built from high-strength 1.25" OD .120 wall DOM tubing
      ✓
      UMI-built greaseable, fluted Delrin bushings eliminate deflection
      ✓
      4140 chromoly cross shafts, CNC machined and zinc plated
      ✓
      Reversible cross shaft orientation for custom camber baselines
      ✓
      Improved header clearance over stamped factory arms
      ✓
      100% Made in the USA and track-proven

      Detailed Features

      Technical breakdown
      ✓
      1/2-inch taller ball joints: Radically improves the factory camber curve, keeping the front tire contact patch flat on the pavement during aggressive cornering.
      ✓
      Relocated ball joint pad: Increases positive caster naturally without requiring a massive stack of alignment shims, vastly improving straight-line stability.
      ✓
      1.25-inch DOM tubing: Formed on a programmable rotary draw bender for precise tolerances, high strength, and much better header clearance than factory stamped arms.
      ✓
      Fluted Delrin bushings: CNC-machined in-house by UMI, these greaseable bushings provide zero deflection during hard cornering for crisp, predictable handling.
      ✓
      4140 chromoly cross shafts: CNC-machined for incredible strength and zinc-plated for maximum corrosion resistance, ensuring years of trouble-free performance.
      ✓
      Reversible camber baselines: Cross shafts can be installed with the shallow side to the frame for positive camber or the deeper side for aggressive negative camber.
      ✓
      Factory compatibility: Seamlessly integrates with stock lower control arms, factory spindles, or aftermarket drop spindles to fine-tune your exact front-end setup.
      ✓
      Tough powder-coated finish: Protects your suspension investment from extreme road conditions and corrosion while looking fantastic in your engine bay.

      Relocated ball joint pad:

      Increases positive caster natively without requiring a massive stack of alignment shims, vastly improving straight-line stability and steering feel.

      1.25-inch DOM tubing

      Formed on a programmable rotary draw bender for precise, repeatable tolerances, high strength, and much better header clearance than factory stamped arms.

      Fluted Delrin bushings

      CNC-machined in-house by UMI, these greaseable bushings provide zero deflection during hard cornering for crisp, predictable handling over rubber.

      4140 chromoly cross shafts

      CNC-machined for incredible strength and zinc-plated for maximum corrosion resistance, ensuring years of trouble-free performance.

      Reversible camber baselines

      Cross shafts can be installed with the shallow side to the frame for positive camber or the deeper side for aggressive negative camber.

      Premium ball joints

      Ships fully assembled with standard-height premium ball joints (PN 2753) or 1/2" taller ball joints (PN 2753-1) and polyurethane bump stops so you can bolt them right up out of the box.

      Product Outcomes

      On-road impact
      ✓
      Maximizes front tire grip by correcting the aggressive camber curve issues inherent in factory muscle cars.
      ✓
      Vastly improves steering response and straight-line stability by optimizing positive caster geometry.
      ✓
      Eliminates sloppy handling and alignment shifts associated with worn factory rubber bushings.
      ✓
      Provides additional engine bay clearance for easier installation of aftermarket exhaust headers.
      ✓
      Delivers reliable, confidence-inspiring performance whether carving canyons or hitting the autocross track.

      Installation Summary

      Before you buy

      Overview & Difficulty: Moderate DIY install requiring basic hand tools, a ball joint separator, and a floor jack; approximately 2–3 hours per side. The process involves supporting the lower arm, separating the upper ball joint from the spindle, and removing the factory upper control arm. Reassemble with the new UMI arms, noting that cross-shaft orientation dictates your baseline camber.

      What’s Included:
      • Driver side tubular upper A-arm assembly (2753DR) ×1
      • Passenger side tubular upper A-arm assembly (2753PA) ×1
      • Pre-installed premium 1/2" taller ball joints ×2
      • Pre-installed polyurethane bump stops ×2

      Is This Product Right for You?

      Decision guide

      The UMI 2753-1 Tubular Upper A-Arms are an essential upgrade for classic F-Body and X-Body owners demanding modern steering response and corrected geometry. By adding 1/2-inch taller ball joints and repositioning the ball joint pad, these arms fix the sloppy, wandering steering and poor camber curves inherent in lowered vintage muscle cars.

      Best For
      ✓
      Enthusiasts lowering their Camaro, Firebird, or Nova up to 2 inches.
      ✓
      Autocross and pro-touring builders needing precise caster and a flatter contact patch.
      ✓
      Drivers wanting to replace worn, flex-prone factory stamped control arms.
      Not Ideal For
      ×
      Drag-only builds needing extreme weight reduction or travel limiters.
      ×
      Coil-over conversions running significantly above stock ride heights.
      ×
      Owners seeking a softer, factory-cushioned ride (Delrin bushings slightly increase NVH).

      Product FAQ

      Quick answers
      What vehicles do the UMI 2753-1 upper A-arms fit?
      The UMI 2753-1 tubular upper A-arms are designed as a direct replacement for the 1967–1969 F-Body (Camaro/Firebird) and the 1968–1974 X-Body (Nova/Apollo/Omega/Ventura).
      What is the benefit of the 1/2-inch taller ball joints?
      The included 1/2-inch taller ball joints dramatically improve the suspension's camber curve, ensuring the front tire maintains a flat contact patch on the pavement during hard cornering.
      How do these arms improve steering geometry?
      Along with the taller ball joints, they feature a relocated ball joint pad that naturally increases positive caster, improving straight-line stability and steering returnability without thick shim stacks.
      Will these control arms work with lowered cars?
      Yes. They are expressly designed to correct the suspension geometry for cars at stock height up to a 2-inch drop, ensuring optimal alignment through suspension travel.
      Can I use these with stock lower control arms and spindles?
      Absolutely. These A-arms are direct bolt-in replacements and are fully compatible with your factory lower control arms and factory spindles.
      What type of bushings are included?
      The 2753-1 arms come with UMI-built CNC-machined Delrin bushings, which are greaseable, fluted, and designed to eliminate suspension deflection entirely for crisp, predictable handling.
      Does this kit include new mounting hardware?
      Mounting hardware is not included. You can re-use your factory knurled bolts that remain in the frame, or purchase UMI hardware kits 4002 or 4003 separately.
      Can I adjust my baseline camber with these arms?
      Yes. The 4140 chromoly cross shafts can be oriented with the shallow side facing the frame for more positive camber, or the deeper side for more negative camber.
      Where are the UMI 2753-1 A-arms manufactured?
      These tall ball joint upper control arms are designed, track-tested, and manufactured 100% in the USA at UMI Performance’s facility in Philipsburg, Pennsylvania.
      Fitment
      Platform
      Manufacturer
      UOMPair
      HardwareNot Included
      StockShips in 2 weeks
      ColorBlack, Red
      AdjustableNo
      Bushing TypePolyurethane
      Direct Bolt-OnYes
      FinishPowder Coat
      MaterialMild Steel
      Why Choose

      UMI Performance

      21 Years In The Industry

      North American Raw Materials

      Proudly partnering with leading USA steel suppliers, we source the finest North American mined and milled steel

      Precision Bent DOM Tubing

      Machine-guided DOM tubing bends maintain correct geometry while maintaining material strength.

      Laser Cut Plating

      We take North-American sourced plating and precision-cut each component with the latest laser-cutting technology.

      Durable Powder Coating

      Each finished part is properly prepped and coated with high quality Tiger Dry Lac powder coat, providing a tough long-lasting finish.

      Consistent Welds

      Our highly-skilled welders and robotic-welders provide consistent welds and ultimate part penetration.

      100% USA Made

      We take pride in providing 100% USA-Manufactured suspension components.

        Shipping Guidelines

        Flat Rate Shipping ($12.95) is only offered on Retail orders over $149 shipped via Ground in the Continental United States.

        All International customers are responsible for any applicable duties and/or taxes incurred on your shipment upon delivery.

        Return Information

        All returns are subject to the authorization of UMI Performance, Inc. Please email [email protected] for a Returned Merchandise Authorization (RMA) number. Our Sales team will either authorize or deny the request for return at its discretion. Any product returned without an issued RMA number will not be credited. All returns must be made within 30 days of delivery, be in new condition, be in original sealed packaging and include the RMA number on the outside of the packaging. No exceptions. All products and their packaging must be in new and unopened condition. Products that have been altered, installed, or modified are not returnable. All shipping costs for returns are the responsibility of the customer. All returns are subject to a 20% restocking fee as well as the original shipping charges that UMI Performance may have incurred while shipping your order.

        Due to the majority of Viking products being drop shipped, we can not offer returns on any Viking products. If you purchase a Viking product be sure it fits your application. If you need technical assistance prior to placing order please contact [email protected]

        This '2753-1 - GM Classic F/X-Body Tubular A-Arms, Upper, 1/2" Taller Ball Joints' fits the following platforms:

        1967-1969 GM F-Body

        • 1967-1969 Chevrolet Camaro
        • 1967-1969 Pontiac Firebird

        1968-1974 GM X-Body

        • 1968-1974 Chevrolet Nova
        • 1968-1974 Buick Apollo
        • 1973-1974 Oldsmobile Omega
        • 1971-1974 Pontiac Ventura

        This 2753-1 - GM Classic F/X-Body Tubular A-Arms, Upper, 1/2" Taller Ball Joints fits the following vehicles:

        Chevrolet

        Camaro

        • 1967 Chevrolet Camaro
        • 1968 Chevrolet Camaro
        • 1969 Chevrolet Camaro

        Nova

        • 1968 Chevrolet Nova
        • 1969 Chevrolet Nova
        • 1970 Chevrolet Nova
        • 1971 Chevrolet Nova
        • 1972 Chevrolet Nova
        • 1973 Chevrolet Nova
        • 1974 Chevrolet Nova

        Pontiac

        Firebird

        • 1967 Pontiac Firebird
        • 1968 Pontiac Firebird
        • 1969 Pontiac Firebird

        Ventura

        • 1971 Pontiac Ventura
        • 1972 Pontiac Ventura
        • 1973 Pontiac Ventura
        • 1974 Pontiac Ventura

        Buick

        Apollo

        • 1968 Buick Apollo
        • 1969 Buick Apollo
        • 1970 Buick Apollo
        • 1971 Buick Apollo
        • 1972 Buick Apollo
        • 1973 Buick Apollo
        • 1974 Buick Apollo

        Oldsmobile

        Omega

        • 1973 Oldsmobile Omega
        • 1974 Oldsmobile Omega

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