The PERRIN Rear Differential Lockdown is designed to eliminate unwanted movement of the rear differential, resulting in sharper throttle response and improved drivetrain precision under all driving conditions. It delivers a more connected, responsive driving experience, whether you’re on the street or at the track.
Key Benefits
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Reduces flex and movement in the rear differential under acceleration
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Creates a more direct connection from throttle input to the wheels
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Suitable for both daily driving and performance applications
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Simple installation, typically completed in under 45 minutes with basic tools
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Minimal increase in noise, vibration, and harshness (NVH) while enhancing driver feedback
In the Box
PSP-DRV-534 Version:
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(4) differential lockout bushings
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(2) diff support beam lockout bushings
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Installation instructions
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Warranty information
Returns may be accepted within 14 days of purchase pending Return Merchandise Authorization (RMA). No returns or cancellations on special order items. All returns will be charged a 20% restocking fee, no exceptions.
To be eligible for a return, your item must be unused and in the same condition that you received it. It must also be in the original packaging. Item must be able to be resold as new.
Several types of goods are exempt from being returned. Hazardous materials, fluids, greases, chemicals, and clothing are not able to return.
Free shipping is available within the lower 48 states for most orders totaling $199 or more. A free shipping option will be available during checkout. This offer is for delivery address in the continental United States and excludes shipments going to Alaska, Hawaii, Military Boxes, and items that require freight shipping.
Processing Time
Patterson Performance stocks a large quantity of items at any given time. Some items may require drop shipping from one of our various distributors. In stock items will ship within 1-2 business days. If you're needing your product quickly, please contact us to verify product availability before placing your order. Orders requiring additional verification (security concerns, incorrect information, etc.) may need additional processing time. Estimated shipping dates are not guaranteed and are subject to change based on inventory levels and manufacturer lead times. Backordered items are shipped immediately once available.
Items ship daily, If the item you ordered is not in stock, a member of our team will contact you via email / phone.
Patterson Performance will only ship to an address that varies from your billing address if payment is made via Paypal or a financing partner.
Patterson Performance ships from multiple warehouses throughout the United States, and sometimes from manufacturers overseas.
You can simply contact us via email / telephone for a live inventory check
Find more information at www.P65Warnings.ca.gov.
5 Year Warranty
PERRIN Performance warrants to the original purchaser that all PERRIN products will be free from defects in material and workmanship within a sixty (60) month period from the date of purchase. *Some exclusions apply