AEROFLOW GM LS 276cc ALUMIN HEADS BARE 70cc, 2.165″/1.60″ VALVE 4BOLT

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AEROFLOW GM LS 276cc ALUMIN HEADS BARE 70cc, 2.165″/1.60″ VALVE 4BOLT

AEROFLOW GM LS 276cc ALUMIN HEADS BARE 70cc, 2.165″/1.60″ VALVE 4BOLT 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 PortThe 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. Overview Description: AEROFLOW GM LS 276cc ALUMIN HEADS BARE 70cc, 2.165″/1.60″ VALVE 4BOLT Part Number: AF95-0407 Supplier: Aeroflow Features/Specs Cylinder Head Configuration: Bare Engine: L76,L77,L92,L98,LS3,LSX Since 2010, Aeroflow Performance Products has grown to design and manufacture close to 11,000 exceptional quality products. Fittings and hoses, fuel system components, air and oil filters, oil systems, silicone hoses, fabricated tanks, alternators, workshop tools and much more. As a company, they have tried to lead the way for the Performance enthusiast. –> Aeroflow Website