Upgrade your M157 AMG or M278 with the UPD Billet Idler Kit - CNC-machined aluminum pulleys built to eliminate factory plastic idler failures and deliver lasting performance and reliability.
2016 Mercedes Benz S63 AMG 4Matic Coupe 217.378 V8 5.5L Performance Engine & Drivetrain Parts
Ships in 1 Business Day
$495.00 USD
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Located In Right Wheel Arch
Ships in 3 Business Days
7% off MSRP
MSRP stands for Manufacturer's Suggested Retail Price. This is the suggested retail price provided by the manufacturer, supplier or seller.
$840.00
$780.99 USD
This product was last offered at the strikethrough price on
08-02-2026
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on orders $49 and up
The solution to increased fueling made simple by Spool Performance
Special Order: No Guaranteed ETA
$3499.00 USD
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on orders $49 and up
More About Performance Engine & Drivetrain Parts
Worn mounts, bushings, and other drivetrain components rob performance. Replace or upgrade your drivetrain with our extensive catalog of mounts, bushings, clutch kits, and more.