Engines and Components› Camshafts and Valvetrain

T AND D MACHINE

Shaft Rocker Arm System GM LS w/AFR LS3 Heads

$2,117.00

SKU: T048 2309-170/170

In Stock
In Stock
Ships by Jun 10
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Advanced — 4+ hours

Description

The T&D Machine 2309-170/170 is a high-performance shaft-mounted rocker arm system designed for GM LS-series engines equipped with AFR LS3 cylinder heads. These full-roller rockers feature a 1.70 rocker ratio and are constructed from lightweight aluminum with a natural finish to provide increased valvetrain stability and reduced friction for high-RPM applications.

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

BrandT AND D MACHINE
Part NumberT048 2309-170/170

Videos

Ultimate LS Rocker Shaft System - (super stable)

Ultimate LS Rocker Shaft System - (super stable)
Shaft Rocker Arms // T&D Machine // Best in the Business

Shaft Rocker Arms // T&D Machine // Best in the Business
Why Upgrade LS Trunnions or Install a Shaft Rocker Kit Upgrade - Race Max Direct Tech

Why Upgrade LS Trunnions or Install a Shaft Rocker Kit Upgrade - Race Max Direct Tech
Setting Rocker Geometry

Setting Rocker Geometry
LS ROLLER ROCKER TEST-DO THEY WORK?

LS ROLLER ROCKER TEST-DO THEY WORK?
Brian Tooley Racing | Shaft Rocker Kit

Brian Tooley Racing | Shaft Rocker Kit

Buy with Confidence

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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