AFR 230cc LS1 Cylinder Head

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230cc LS1 Cylinder Head

SKU: AFR-1610

Manufacturer: AFR

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AFR’s 230cc LSX heads feature 100% CNC ported intake, exhaust & chambers, A356 aluminum castings, Titanium retainers and high quality components throughout. Recommended for aggressive street or street/strip builds with displacements up to 427 cubic inches, operating up to 6500 RPM. Requires minimum 3.900” bore size for intake valve clearance.

Package Components include:

100% CNC Ported Combustion Chambers

100% CNC Ported Exhaust Ports

100% CNC Ported Intake Ports

Competition 5-angle Valve Job

8mm Bead Lock Intake Valve, 2.080" x 4.900" Overall Valve Length

8mm Bead Lock Exhaust Valve, 1.600" x 4.900" Overall Valve Length

PAC Racing Spring 1.270" OD Hydraulic Roller Dual Valve Spring, 155 lbs. on seat, .650” maximum lift, Max RPM 7000-7200

7° Titanium Retainers 1.245" O.D x .885" I.D x .655" I.D

7° Bead Lock Valve Keepers

Viton Valve Seals .600" O.D x .495" I.D

Hardened Valve Spring O.D Locator 1.380" O.D x .570" I.D

Ductile Iron Intake Valve Seats 2.131" O.D x 1.680" I.D x .375" Deep

Ductile Iron Exhaust Valve Seats 1.650" O.D x 1.350" I.D x .375" Deep

8 mm Bronze Valve Guides .502" O.D x 2.100" O.A.L

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