Aeroflow Bare Ford 390-428 170cc Aluminium Cylinder Heads 72cc Chamber, Pair BBC With a focus on quality

With a focus on quality

Audi A1 2010-Current

80mm Overall Length

AF64-4128BLK

Aeroflow Bare Ford 390-428 170cc Aluminium Cylinder Heads 72cc Chamber, Pair BBC With a focus on qualityAF95 0390 Bare Ford 390 428 170cc Aluminium Cylinder Heads with 72cc Chamber (Pair) 2. 06" x 1. 36" Intake Port, 1. 85" x 1. 27" Exhaust Port The Aeroflow Series of Aluminium Cylinder Heads are taking affordable 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