AFR 1840 Mongoose CNC-Ported Aluminum Cylinder Heads – 260cc Combustion Chamber, LS3/LS9 Compatible Assembly

Description

LS3/LS99 Mongoose CNC Cyl. Heads 260cc Assm
Cylinder Head – LS3 Mongoose – Assembled – 2.165 / 1.600 in Valves – 260 cc Intake – 69 cc Chamber – 1.270 in Springs – Aluminum – GM LS-Series – Pair

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