Sbc 350 400 *pair* Assemb. S/p Alloy Cylinder Heads 210 cc

the series of aluminium cylinder heads are taking affordable Aeroflow performance street and strip cylinder heads to the next level. These heads utilize 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. Include valves, valve springs, retainers & locks, guide plates and 7/16" rocker studs

the Aeroflow performance small block chevy cylinder heads are designed for street / race Aeroflow performance engines to give the ultimate in flow at a competitive price. Made from a356 aluminium castings, these 210cc cylinder heads are ideal for operating in the idle to 7500 rpm range. These complete cylinder heads will fit a 4. 00" bore and larger. The complete heads include larger then stock 1. 57" diameter dual valve spring to handle up to. 625" maximum lift. Suits solid and hydraulic roller camshafts.