Since our allroad Arnott rear springs (non air spring) are way too soft I'm trying to get stiffer springs. The shocks are Bilstiens. 2bennit makes a great setup but the previous owner went with Arnott. The springs on there now are 14-3559-350. Which I'm assuming is 350lbs which is why they are way to soft.
I got 2bennit to send a quote & the rear springs are 550lbs 9 - which I'm assuming is length, but they only sell them with Koni adjustable height shocks as a package for $990 just for the rear and my Bilstein shocks aren't adjustable - I think I only have 2 options right?:
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take mine apart, measure the length & with someone's help & vast spring experience & math skills - come up with a length that would give the same ride height with a 550lb spring.
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Buy their complete Koni/spring rear setup for $990