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Whiteline 15+ Ford Mustang S550/S650 Rear Crossmember Mount Insert Kit

Whiteline · New

Whiteline 15+ Ford Mustang S550/S650 Rear Crossmember Mount Insert Kit

MPN KDT943 · Store SKU whlKDT943

$50.88
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Supplier stock checked 11/7/2026, 6:00:02 AM UTC. Adding a part does not reserve it.

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Product details

Not your typical remove and replace bushing kit but simple installation means great for the DIYer's. Designed to work with the original bushing and eliminate over compliance or better known in motorsport as 'lost motion' of the rear crossmember. This Whiteline kit dramatically reduces rear cross member misalignment and movement which allows a more positive feel from the rear end during cornering. Whiteline Subframe - mount bushing. Subframe - Bushing Kit

Manufacturer fitment & guides

Check KDT943 against the manufacturer’s application information below.

Part-specific notes

  • California Proposition 65: Y

Manufacturer documents

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