LS3 69CC/270CC ALUM HIGH PERF HEAD

Name: LS3 69CC/270CC ALUM HIGH PERF HEAD
Brand: ATK ENGINES
SKU: A040 HPLS3270
Price: 1391.67 USD
Availability: InStock

$1,391.67

SKU: A040 HPLS3270

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Ships in 4–6 weeks

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Non-Returnable Item

DIY PRO SHOP

Moderate — 2–4 hours

Description

These cylinder heads are flow tested on a Super Flow SF600 bench with a 4.030” bore size @28” water. They feature A356 Aluminum, 6-bolt head, 273cc intake port volume, 2.165” stainless steel intake valve size, 108cc exhaust port volume, 1.600” stainless steel exhaust valve size, and 72cc combustion chamber size (as cast).

Fitment

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Specifications

Brand	ATK ENGINES
Part Number	A040 HPLS3270

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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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