What are the rear dog bone links on the Porsche 996 and 997, and why do they affect rear camber?

The rear dog bone links are the upper lateral arms that connect the rear upright to the chassis. They control the inboard and outboard position of the top of the rear upright, which directly determines rear camber angle. The factory arms are fixed length with rubber bushings; when the car is lowered, the geometry changes and rear camber goes more negative than the factory adjustment system can bring back into spec. The SPL DB 996 provides a wide adjustment range to correct that, and FK spherical rod ends to hold the setting under load.

What is 2024-T351 aluminum, and why does SPL use it instead of 6061?

2024-T351 is a higher-strength aluminum alloy specification commonly used in aerospace applications. Its tensile and yield strength are significantly higher than 6061-T6 aluminum, which allows the arm to handle the same structural loads at reduced wall thickness. Combined with gun-drilling to remove internal mass, the result is an arm that is both lighter and stronger than a conventional 6061 arm of the same geometry. SPL validates this design using Finite Element Analysis to confirm performance under all applicable load cases.

What does Finite Element Analysis validation mean for these arms?

Finite Element Analysis (FEA) is a computational method that simulates how a structure behaves under load by dividing it into thousands of small elements and calculating stress, strain, and deformation at each point. SPL uses FEA during the design phase to identify any locations where the arm's geometry or material might be stressed beyond acceptable limits under the loads these arms experience in use; particularly important for gun-drilled arms where material has been removed for weight savings. FEA validation confirms the arm performs safely at all load cases before production begins.

Does the SPL DB 996 require a full rear alignment after installation?

Yes. The purpose of this arm is to correct rear camber; a full rear alignment is required after installation to set the camber to the desired target for the car's ride height and use case. The 360-degree rotating clamp should be tightened to lock the camber setting at the alignment rack after the target is confirmed.

Are replacement rod ends available for the SPL DB 996?

Yes. SPL Parts offers replacement rod ends for the DB 996 in both left and right hand thread. Contact SPL Parts directly or use the links on the product page for the correct replacement.

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Description

SPL Parts Adjustable Rear Dog Bone Links for 996 / 997 Porsche 911

The rear dog bone links on the Porsche 911 996 and 997 are the upper lateral arms connecting the rear upright to the chassis; they are one of the primary geometry controls for rear camber on these platforms. The factory arms are fixed length with rubber bushings. At factory ride height, that’s adequate. Lower the car, and rear camber goes negative faster than the factory system can compensate for; the outer edges of the rear tires begin carrying more load than they should, wear accelerates unevenly, and the rear grip balance shifts. The SPL Parts DB 996 adjustable rear dog bone links are the solution specifically engineered for this platform. These arms provide a wide range of rear camber adjustment through SPL’s 360-degree rotating clamp system; lock the setting with a single allen key, no jam nuts, no second wrench. The main links are gun-drilled 2024-T351 aluminum; 2024-T351 is a higher-strength alloy specification than the 6061 used in many suspension arms, providing superior structural rigidity at reduced weight. The geometry of the arm was developed using Computer Aided Design supported by Finite Element Analysis, which validates the structural performance of the arm under the loads it experiences in use and ensures the weight reduction from gun-drilling does not compromise the arm’s strength at any load case. 6061-T6 aluminum clamps and blue anodized titanium socket head cap screws handle the adjustment locking with minimal unsprung mass.

Features

Wide range of rear camber adjustment; corrects camber on lowered 996 and 997 builds that have exceeded the factory adjustment range; reduces outer rear tire shoulder wear and restores rear grip balance
Gun-drilled 2024-T351 aluminum main links; higher-strength alloy than standard 6061 aluminum; gun-drilling reduces unsprung weight without compromising structural integrity
Computer Aided Design validated by Finite Element Analysis; structural performance at every load case confirmed before production
SPL exclusive 360-degree rotating clamp with 6061-T6 aluminum clamp body and blue anodized titanium socket head cap screws; locks camber setting without jam nuts; single allen key adjustment
Three-piece Teflon-lined FK Heim joints and rod ends; eliminates rubber bushing deflection; rear camber holds its set position under all load conditions
Designed for high-performance street and race vehicle use

Specifications

Material: 2024-T351 aluminum (gun-drilled, black anodized)
Clamp: 6061-T6 aluminum with 360° rotating design
Hardware: Blue anodized titanium socket head cap screws
Heim Joints: Teflon-lined FK 3-piece rod ends
Adjustment: Wide camber range; tool-friendly indexing
Origin: Made in the USA

Applications

Porsche 911 Carrera: 996, 997 | 1999-2012
Porsche 911 Carrera S: 997 | 2005-2012
Porsche 911 Carrera 4: 996, 997 | 1999-2012
Porsche 911 Carrera 4S: 996, 997 | 2002-2012
Porsche 911 GT2: 996, 997 | 2002-2012
Porsche 911 GT3: 996, 997 | 1999-2012
Porsche 911 GT2 RS: 997 | 2010-2012
Porsche 911 GT3 RS: 996, 997 | 2004-2012
Porsche 911 Targa: 996 | 2002-2005
Porsche 911 Targa 4: 997 | 2006-2012
Porsche 911 Targa 4S: 997 | 2006-2012
Porsche 911 Turbo: 996, 997 | 2001-2012
Porsche 911 Turbo S: 997 | 2010-2012

Notes

Installation Instructions
Replacement rod ends available from SPL Parts in left and right hand thread, please contact us
SPL components are made-to-order in the USA; build time will be confirmed at the time of order.

Frequently Asked Questions

What are the rear dog bone links on the Porsche 996 and 997, and why do they affect rear camber? The rear dog bone links are the upper lateral arms that connect the rear upright to the chassis. They control the inboard and outboard position of the top of the rear upright, which directly determines rear camber angle. The factory arms are fixed length with rubber bushings; when the car is lowered, the geometry changes and rear camber goes more negative than the factory adjustment system can bring back into spec. The SPL DB 996 provides a wide adjustment range to correct that, and FK spherical rod ends to hold the setting under load.
What is 2024-T351 aluminum, and why does SPL use it instead of 6061? 2024-T351 is a higher-strength aluminum alloy specification commonly used in aerospace applications. Its tensile and yield strength are significantly higher than 6061-T6 aluminum, which allows the arm to handle the same structural loads at reduced wall thickness. Combined with gun-drilling to remove internal mass, the result is an arm that is both lighter and stronger than a conventional 6061 arm of the same geometry. SPL validates this design using Finite Element Analysis to confirm performance under all applicable load cases.
What does Finite Element Analysis validation mean for these arms? Finite Element Analysis (FEA) is a computational method that simulates how a structure behaves under load by dividing it into thousands of small elements and calculating stress, strain, and deformation at each point. SPL uses FEA during the design phase to identify any locations where the arm’s geometry or material might be stressed beyond acceptable limits under the loads these arms experience in use; particularly important for gun-drilled arms where material has been removed for weight savings. FEA validation confirms the arm performs safely at all load cases before production begins.
Does the SPL DB 996 require a full rear alignment after installation? Yes. The purpose of this arm is to correct rear camber; a full rear alignment is required after installation to set the camber to the desired target for the car’s ride height and use case. The 360-degree rotating clamp should be tightened to lock the camber setting at the alignment rack after the target is confirmed.
Are replacement rod ends available for the SPL DB 996? Yes. SPL Parts offers replacement rod ends for the DB 996 in both left and right hand thread. Contact Bulletproof Sales Team

About SPL Parts

SPL Parts is a USA-based manufacturer of high-performance suspension components engineered for both professional racing and demanding street applications. Built on the core principles of strength, lightweight construction, low friction, and precision, SPL Parts products deliver the adjustability and alignment performance required by top race teams and discerning enthusiasts alike. Every component is produced using USA-sourced, certified materials and machined by experienced local shops to exacting tolerances. Professional TIG welders ensure maximum weld integrity, while each part is hand-fitted and treated with anti-seize and 3M internal panel coating for lasting protection. SPL Parts conducts all research and development in-house, allowing the team to leverage firsthand product knowledge and deliver unmatched customer support. Their suspension components feature innovative adjuster designs for quicker, more precise alignments, and utilize spherical bearings with Teflon liners that are self-cleaning, self-lubricating, and built for long service life. From concept to assembly, SPL Parts is made with pride in the USA by skilled machinists and welders who are committed to quality, innovation, and performance.

Additional Information

The Bulletproof Automotive website contains many thousands of products purchased in multiple different currencies. All of the prices are entered manually and accurately at the time of entry. Due to the consistently fluctuating international exchange rates, at times prices may not be able to be honored at their original intended rate. We apologize for any inconvenience this may cause, unfortunately our website is unable to compensate dynamically for what can at times be volatile changes in the cost of items due to currency values fluctuating, changes in prices from suppliers, changes in shipping and import duties, and other factors. Rest assured that any order you place on line will be at zero risk to you in this area. If in the event your order cannot be fulfilled at the original intended website price we will offer you a 100% refund, no questions asked. We will continue to do our best to maintain updated prices and we will always continue to offer our price match guarantees as well to ensure our prices are always the best for you. In short, prices may change without notice. It is always advised to give us a call prior to placing your order online to confirm availability and to confirm current pricing.

Shipping Policy

Items that are in stock in the US, either at Bulletproof’s warehouse or at a supplier’s warehouse, are generally delivered within 7-10 days. Special order items from overseas take considerably longer. As a courtesy Bulletproof offers delivery estimates to our customers which take into consideration manufacturer availability and shipping schedule. These estimates represent our best guess based on previous orders from the manufacturer and do not in any way imply a guaranteed delivery window. Many manufacturers work in a “just in time” inventory system and often take 2-20+ weeks to produce an item once an order is submitted. All deliverable items are then sent to our Japanese warehouse. Bulletproof ships a minimum of one full ocean freight container every month from Japan, oftentimes more than one a month. Ocean freight takes an average of 4 weeks. Typically it breaks down to one week in Japan for paperwork and customs, two weeks by boat and one week in US customs/clearance. Due to the wide number of variables between manufacturer and shipping schedules, delivery estimates are simply just that – estimates. We attempt to estimate conservatively and we usually deliver faster than our estimates suggest. It is not Bulletproof’s policy to guarantee delivery time of any special order item, this is impossible for us to do. By ordering you acknowledge that there is no required delivery ETA and an order may not be canceled or altered due to manufacturing or shipping delays, all ETA’s are provided as a best guess only. Please review the full Terms & Conditions here.

BP Pricing Difference

We do pricing a little differently on our JDM brands and we believe in making things simple and clear. No hidden fees or surcharges. Every price you see includes the shipping cost to our office in Los Angeles, California and all the associated taxes/duties/fees for bringing the products into the US. The only shipping you ever pay is from our facility in the US to your location. Be wary of resellers that don’t include the cost of international shipping in their pricing on JDM parts. While we believe we’ll always have the lowest all-in price on JDM products, we offer a price match guarantee for all authentic parts purchased from authorized dealers as well. For many international customers, it’s much more affordable to ship from the USA than from Japan directly, as the air freight and ocean freight costs are typically much less. However, for customers looking to ship directly from Japan outside of North America, or domestically in Japan, we can provide pricing specifically for that scenario. Please do not hesitate to contact us with any pricing questions or concerns. Please email us at sales@bulletproofautomotive.com with any inquiries.

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SPL Parts Adjustable Rear Dog Bone Links for 996 / 997 Porsche 911 [SPLDB996]

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SPL Parts Adjustable Rear Dog Bone Links for 996 / 997 Porsche 911

Features

Specifications

Applications

Notes

Frequently Asked Questions

About SPL Parts

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