Bare 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 Port Calipers Maximum temperature 150°C (302°F)

Maximum temperature 150°C (302°F)

1968-1964 X Body

Rear E Brake GM Caliper Powder Coated Black

Single Large Piston

disc/disc and drum/drum braking systems

Bare 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 Port Calipers Maximum temperature 150°C (302°F)The Aeroflow Series of Aluminium Cylinder Heads are taking affordable performance street and strip cylinder heads to the next level. Theseheads utilise ultra smooth A356 T6 aluminium castings, new as cast runner and chamberdesigns produce excellent flownumbers. 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