Suspension and Components Front Suspension Components

SPC Performance

SPC Performance FLEX-AIR HD SHIM 1/8(6)

$23.69

SKU: S00D 36012

Special Order
Special Order
Ships in 4–6 weeks
Free Shipping over $200
$100 Minimum Order
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Easy — 1–2 hours

Overview

These shims are manufactured from quality materials and can be installed with normal hand tools, providing a reliable method for aligning wheels on a tractor trailer. Each shim measures 0.125 inches thick and they are sold as a set of 6.

They help adjust thrust angle and toe by shimming the torque arms on the suspension system.
Show original supplier description

Part #: 36012

These shims adjust thrust angle and toe by shimming the torque arms on the Peterbilt/Kenworth Flex Air suspension. Six shims per box. California Residents WARNING

Product descriptions are provided by our supplier partners and may not always be perfectly accurate. Not sure this fits? or call (760) 282-4645 and we’ll verify before you order.

Fitment

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Specifications

BrandSPC Performance
Part NumberS00D 36012

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Returns & Fitment

Built for enthusiasts. Every order is backed by our 30 day return window on eligible items. Unused and uninstalled products may be returned with approved RMA and no restocking fees when received in new condition. Orders placed through the MOTORMIA app with a complete build qualify for our Fitment Guarantee — free return shipping if the part doesn’t fit your exact setup. The guarantee covers fit only; installation must follow manufacturer instructions, and we recommend a qualified shop for parts marked Difficulty 4–5.

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Shipping

Orders are processed in 1–3 business days. In stock parts ship promptly from our partner network. Special-order items either aren’t currently stocked or are built to your spec — expect 4–6 weeks. If a part goes on backorder while your order is in the queue, we’ll reach out and work through discounted alternatives together.

Free shipping over $200 in the continental US. Alaska, Hawaii, U.S. territories (Puerto Rico, U.S. Virgin Islands, Guam, American Samoa, and the Northern Mariana Islands), and international orders carry surcharges — most appear at checkout. Some exceptions (LTL freight, or suppliers who quote freight only after we place the order) won’t. In those cases we’ll reach out with the exact charge before your order moves forward.

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