AEROFLOW BBC 396 427 454 *PAIR* ASSEMB.ALLOY CYLINDER HEADS REC 320cc

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AEROFLOW BBC 396 427 454 *PAIR* ASSEMB.ALLOY CYLINDER HEADS REC 320cc

AEROFLOW BBC 396 427 454 *PAIR* ASSEMB.ALLOY CYLINDER HEADS REC 320cc Complete Big Block Chev 396-454 320cc Aluminium Cylinder Heads with 120cc Chamber (Pair) 2.45″ x 1.75″ Intake Port, 1.75″ x 2.00″ 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 big block Chevy cylinder heads are designed for street / race performance engines to give the ultimate in flow at a competitive price. These heads flow 364cfm! Best suited for high revving 454, or 502ci up Big Blocks. Made from A356 aluminium castings, these rectangle port 320cc cylinder heads are ideal for operating in the idle to 6750 rpm range. The complete heads include larger then stock 1.625″ diameter dual valve spring to handle up to .850″. Suits solid roller camshafts. Overview Description: AEROFLOW BBC 396 427 454 *PAIR* ASSEMB.ALLOY CYLINDER HEADS REC 320cc Part Number: AF95-2427 Supplier: Aeroflow Features/Specs Cylinder Head Configuration: Complete / Assembled Engine: 396-454 Installed Components: Installed Components Intake Valves:  2.25″ x 5.49″ x 11/32″, part no. AF59-4271Exhaust Valves:  1.88″ x 5.42″ x 11/32″, AF59-4272 Valve Springs:  1.65″ Dual spring, part no. AF59-4273Valve Retainers:  10° 11/32″, part no. AF59-4274Valve Locks:  10° 11/32″ part no. AF59-4275Valve Seals:  11/32″ x .530″
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.