Upgrade your Chevy Trailblazer SS with high-quality performance parts designed to increase power, improve handling, and enhance overall driving performance. Whether you’re building a street-ready SUV or dialing in a track-capable setup, this collection of Trailblazer SS upgrades includes everything you need to get more out of your 2006–2009 TBSS.

From performance exhaust systems and cold air intakes to suspension components, brake kits, and engine upgrades, each product is selected to help you unlock the full potential of your vehicle. Improve airflow and horsepower with premium intake and exhaust options, tighten up your cornering with upgraded suspension parts, and boost stopping power with high-performance brake kits designed for aggressive driving. 

Trailblazer SS owners know the LS-based platform is built for performance—and with the right aftermarket parts, you can take it even further. Whether you’re focusing on acceleration, handling, or reliability, these TBSS performance parts help you fine-tune every aspect of your build.

At Full Tilt Performance, enthusiasts can find a wide selection of proven upgrades for their Trailblazer SS, making it easy to build a setup that matches their driving style. Browse top-quality parts from trusted manufacturers and start transforming your Trailblazer SS into a faster, sharper, and more capable machine today.

ARP Harmonic Balancer Bolt for LS Gen III/IV Engines

Harmonic Balancer Bolt, 27mm 12-Point Head, 4.325 in. UHL, Chromoly, Black Oxide, LS Gen. III/IV, Chevrolet, 4.8L, 5.3L, 5.7L, 6.0L, 6.2L
$39.25

QA1 30.5" Rear Drop Springs for Trailblazer SS

30.5" Rear drop springs for Trailblazer SS (pair)
$209.90

Sonnax Chromoly Slip Yoke for 4L80E and TH400

Chromoly Slip Yoke for 4L80E and TH400
$197.88 $216.12

4L80 Crossmember

4L80 Crossmember
$235.00

A/C Billet Adapter for C6 Pan

A/C Billet Adapter for C6 Pan
$125.00

Viking Crusader Double Adjustable Rear Shocks for Trailblazer SS

Double Adjustable Rear Shocks for Trailblazer SS (pair)
$650.00

C6 Oil Pan Swap Kit for Trailblazer SS

Kit includes items needed to swap your Trailblazer SS to a C6 Oil Pan
$650.00

Spohn Polyurethane Bushing Kit

Replacement bushing for Spohn panhard bar and control arms. This kit includes (4) half bushings, enough for 1 bar or arm.
$15.96

TCI Flexplate LS1/LS2/LS6/LS7 to 4L80-E Transmission

GM Chevy LS Series Engine 6-bolt Crankshaft SFI Flexplate with 11.5" Converter Pattern & Converter Pilot Extension. Fits TH400 and 4L80E transmissions and converters behind LS engines
$375.95

4L80E Conversion Kit for Trailblazer SS

This kit contains the additional pieces to convert your Trailblazer from it's stock 4L70E transmission to a 4L80E
$655.00

FTP Camshaft Kit

Complete camshaft kit containing a matched camshaft, valve springs, and necessary hardware to boost horsepower and torque
$1,750.00

Transmission Cooler Lines

-6AN Transmission cooler lines from Tru-Cool 40k cooler to 4L70E OR 4L80E Transmission
$210.00
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