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Aeroflow 276cc Alloy Heads Bare 70cc 2.165"/1.60" Valve 6 Bolt Suits LS
Bare GM LS3 4 Bolt 276cc Aluminium Cylinder Heads with 70cc Chamber (Pair)
2.60" x 1.28" Intake Port, 1.47" x 1.64" Exhaust Port
The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. These heads utilise ultra-smooth A356-T6 aluminium castings, new as-cast runner and chamber designs produce excellent flow numbers. This combined with a 5-angle competition valve job, diamond-honed bronze guides, hand bowl blending and professional assembly help to outperform some of the best brands in the business.
The Aeroflow Performance GM LS cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. Made from A356 aluminium castings, these 15° LS3 Rectangle Port heads are designed to fit LS series engines with a 4.00" or larger bore. These bare 276cc heads accept 2.165" diameter intake valves and 1.60" exhaust valves and have a thicker thAN stock .625" deck thickness. Available in OE 4-bolt design or 6-bolt design to suit standard or LSX block designs.
Note: Thread sealant must be used on all rocker bolts as threads intersect with intake ports.
Shipping Information
Most orders land in 5–12 business days. We'll keep you updated at every step of the journey.
The Kren Bits journey:
- Order received — Day 0
- With fulfilment — Day 1–2
- Heading to courier — Day 2–4
- Shipped — Day 3–7
- Almost there — Day 5–10
- Delivered — Day 5–14
Where your part ships from:
Your order ships from the closest warehouse with available stock across our six-warehouse network — NZ, AU, TH, UK, US, and CN.
We email you at every real milestone — order received, with fulfilment, heading to courier, shipped, almost there, delivered. No chasing, no vague waits.
For more details, visit our Track Your Order page.
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