Engines and Components Harmonic Balancers

Trick Flow Specialties

Track Max Underdrive Harmonic Damper

$311.99

SKU: TFS-18012

In Stock
In Stock
Ships by Sep 12
Free Shipping over $200
$100 Minimum Order
30 Days Return
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Overview

The Trick Flow Specialties Track Max Underdrive Harmonic Damper is an internal engine balance component featuring SFI 18.1 rating and degree markings from 60 BTDC to 0 TDC. This damper provides a 25% underdrive for Chevrolet and GMC 4.8L, 5.3L, and 6.0L trucks and SUVs.
Show original supplier description
The Trick Flow Specialties Track Max Underdrive Harmonic Damper is designed for performance and safety, featuring an SFI 18.1 rating and internal engine balance. This damper includes degree markings from 60 BTDC to 0 TDC, aiding in precise engine tuning and setup. Engineered for a 25% underdrive, this harmonic damper from Trick Flow Specialties helps reduce parasitic drag on the engine, potentially freeing up horsepower and improving accessory drive efficiency. It is specifically designed for Chevrolet and GMC trucks and SUVs equipped with 4.8L, 5.3L, or 6.0L engines. The damper is built with a focus on durability and compliance with racing safety standards. Its internal balance design ensures smooth operation and longevity. Installation is straightforward, comparable to standard damper installation, with the manufacturer recommending immersion to ease the process.

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

Fitment Guaranteed

Don’t gamble
on fit.

Log your build in the MOTORMIA app and we’ll guarantee this part fits your exact setup — or your money back, return shipping covered.

Available on iOS & Android

Specifications

BrandTrick Flow Specialties
Part NumberTFS-18012
CategoryEngines and Components

We’re here — turning wrenches, just like you.

Call us, follow along, or come say hi.

Buy with Confidence

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.

View Full Return Policy

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.

View Full Shipping Policy