Engines and Components› Cylinder Heads and Components

FLO-TEK

LS3 276cc Cyl Head Assembled

$789.00

SKU: F03S LS3-505

In Stock
In Stock
Ships by Jun 7
Free Shipping
Non-Returnable Item
INSTALL DIFFICULTY
DIY PRO SHOP

Moderate — 2–4 hours

Description

The FLO-TEK LS3-505 is an as-cast high-flow cylinder head with 276cc intake runners, 92cc exhaust runners, and a 68cc combustion chamber. It has a 15-degree valve angle and is compatible with hydraulic roller valve springs up to .625" lift.

Fitment

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

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Specifications

BrandFLO-TEK
Part NumberF03S LS3-505

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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