GM LS 240cc ALUMIN HEADS BARE 68cc SUIT 3.90″ BORE 6 BOLT RECTANGLE PORT AF 95-0406

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GM LS 240cc ALUMIN HEADS BARE 68cc SUIT 3.90″ BORE 6 BOLT RECTANGLE PORT AF 95-0406

GM LS 240cc ALUMIN HEADS BARE 68cc SUIT 3.90″ BORE 6 BOLT RECTANGLE PORT AF 95-0406 Bare GM LS3 6 Bolt 240cc Aluminium Cylinder Heads with 68cc Chamber to Suit 3.90″ Bore (Pair) 2.60″ x 1.25″ Intake Port, 1.70″ x 1.79″ Rectangle 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 11° LS3 Rectangle Port heads are designed to fit LS series engines with a small 3.90″ bore. These bare 240cc heads accept 2.08″ diameter intake valves and 1.60″ exhaust valves and have a thicker than stock .750″ deck thickness. Available in 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: GM LS 240cc ALUMIN HEADS BARE 68cc SUIT 3.90″ BORE 6 BOLT RECTANGLE PORT AF 95-0406 Part Number: AF95-0406 Supplier: Aeroflow Features/Specs 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.