Transform your GM A-Body from a leisurely cruiser into a high-octane corner carver with UMI's Stage 3.5 Kit. Engineered for enthusiasts who crave precision and performance, this comprehensive package offers everything you need to elevate your driving experience:
Proudly designed and manufactured in the USA, this kit is compatible with SBC, Pontiac 400, BBC engines featuring aluminum heads/intakes, and may require spring trimming for lightweight LS engines. Whether you're tackling the streets or hitting the occasional dragstrip, UMI's Stage 3.5 Kit is your gateway to unmatched street performance and cornering prowess. Unleash the potential of your GM A-Body today—where craftsmanship meets performance excellence.
Designed & Manufactured in the USA
Durable Powder-Coat
North American Raw Materials
Precision Bent DOM Tubing
Precision Laser Cut Components
Precision Welds
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Fitment | |
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Included |
UOM |
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1" Lowering ,2" Lowering |
21 Years In The Industry
Proudly partnering with leading USA steel suppliers, we source the finest North American mined and milled steel
Machine-guided DOM tubing bends maintain correct geometry while maintaining material strength.
We take North-American sourced plating and precision-cut each component with the latest laser-cutting technology.
Each finished part is properly prepped and coated with high quality Tiger Dry Lac powder coat, providing a tough long-lasting finish.
Our highly-skilled welders and robotic-welders provide consistent welds and ultimate part penetration.
We take pride in providing 100% USA-Manufactured suspension components.
Flat Rate Shipping ($11.99) 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.
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]
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