Fox 234-00-335 - 2.5" Coil Over Spring Divider Top Adapter For 3" ID Top - 3.75" Bottom Spring

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Price: $145.00
6 in stock
Sold As:
1 Spring Divider Top Half
Part Number: FOX23400335
MFG Number:
234-00-335
California Prop 65 Warning: This item may cause cancer or reproductive harm. For more info visit p65warnings.ca.gov The above image is a representation of this item. Actual item may vary. If it's crucial to what you're working on, call the store at 951-737-RACE, and one of our sales reps will be happy to email you a current photograph. Product Information:
This is the top half of the spring divider that's used with the 234-00-334 lower half and 234-00-686 insert. Each of the three pieces are sold separately. The billet aluminum 3 piece assembly is an ADAPTER that allows you to run a 3" inside diameter upper spring and a 3.75" diameter lower spring. You must use Fox's 234-00-166 or 234-00-307 bottom spring perch adapters.
With 3-3/4" bottom springs, there's more to choose from for spring rates but also you'll notice you can compress a 3-3/4" ID spring further than a 3" ID spring. For example 1600.300.400 compresses down to 6.61 inches. A 1600.375.400 compresses down to 6.26 inches.
That extra 3/8" before coil bind on your shock might not seem like much, but remember that if you have your shocks mounted midways up your rear arm, that 3/8" at the shock could be several inches at the end of the arm depending on how your suspension is setup.
Similar to AGM's FSA-2537, the Fox assembly works as a torsion release bearing. As the springs are compressed, they twist like a screw. This is called a torsional load. The divider assembly allows your springs to freely twist as they expand and contract on your shock.
With 3-3/4" bottom springs, there's more to choose from for spring rates but also you'll notice you can compress a 3-3/4" ID spring further than a 3" ID spring. For example 1600.300.400 compresses down to 6.61 inches. A 1600.375.400 compresses down to 6.26 inches.
That extra 3/8" before coil bind on your shock might not seem like much, but remember that if you have your shocks mounted midways up your rear arm, that 3/8" at the shock could be several inches at the end of the arm depending on how your suspension is setup.
Similar to AGM's FSA-2537, the Fox assembly works as a torsion release bearing. As the springs are compressed, they twist like a screw. This is called a torsional load. The divider assembly allows your springs to freely twist as they expand and contract on your shock.






