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- Volume 1
These Aeroflow Performance OEM GM LS rocker arms feature an upgraded trunnion and install easily on your LS cylinder heads without any modifications and a direct OEM (GM12681275) replacement rocker
SKU: AF513-08BLK
12 x 12 Point Nuts
This ensures they are extremely tough and won’t bend in half in an accident
COMPLETE BIG BLOCK CHEV 396-454 290cc ALUMINIUM CYLINDER HEADS, 112cc CHAMBER (Pair) Size_3" - Volume 1Complete Big Block Chev 396 454 290cc Aluminium Cylinder Heads with 112cc Chamber (Pair) 2. 01" x 1. 75" Intake Port, 1. 75" x 2. 00" Exhaust Port The 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